diff --git a/apps/aether-gateway/src/handlers/admin/provider/oauth/quota/claude_code.rs b/apps/aether-gateway/src/handlers/admin/provider/oauth/quota/claude_code.rs
new file mode 100644
index 000000000..dd8d3a3c6
--- /dev/null
+++ b/apps/aether-gateway/src/handlers/admin/provider/oauth/quota/claude_code.rs
@@ -0,0 +1,221 @@
+use super::shared::{
+    build_provider_quota_execution_plan, build_quota_snapshot_payload,
+    default_provider_quota_execution_timeouts, execute_provider_quota_plan,
+    extract_execution_error_message, oauth_refresh_auto_removed_result,
+    persist_provider_quota_refresh_state, quota_key_auto_removed,
+    quota_refresh_success_invalid_state, ProviderQuotaExecutionOutcome,
+};
+use crate::handlers::admin::request::{AdminAppState, AdminGatewayProviderTransportSnapshot};
+use crate::GatewayError;
+use aether_admin::provider::quota::parse_claude_code_oauth_usage_response;
+use aether_admin::provider::redaction::admin_provider_metadata_bucket_safe_json;
+use aether_contracts::ProxySnapshot;
+use aether_data_contracts::repository::provider_catalog::{
+    StoredProviderCatalogEndpoint, StoredProviderCatalogKey, StoredProviderCatalogProvider,
+};
+use aether_provider_pool::build_claude_code_pool_quota_request;
+use serde_json::json;
+use std::time::{SystemTime, UNIX_EPOCH};
+
+async fn execute_claude_code_quota_plan(
+    state: &AdminAppState<'_>,
+    transport: &AdminGatewayProviderTransportSnapshot,
+    authorization: (String, String),
+    proxy_override: Option<&ProxySnapshot>,
+) -> Result<ProviderQuotaExecutionOutcome, GatewayError> {
+    let proxy = match proxy_override {
+        Some(proxy) => Some(proxy.clone()),
+        None => {
+            state
+                .resolve_transport_proxy_snapshot_with_tunnel_affinity(transport)
+                .await
+        }
+    };
+    let timeouts = state
+        .resolve_transport_execution_timeouts(transport)
+        .or(Some(default_provider_quota_execution_timeouts(
+            proxy.as_ref(),
+        )));
+    let spec = build_claude_code_pool_quota_request(&transport.key.id, authorization);
+    let plan = build_provider_quota_execution_plan(
+        transport,
+        spec,
+        proxy,
+        state.resolve_transport_profile(transport),
+        timeouts,
+    );
+
+    execute_provider_quota_plan(state, transport, plan, "claude_code").await
+}
+
+pub(crate) async fn refresh_claude_code_provider_quota_locally(
+    state: &AdminAppState<'_>,
+    provider: &StoredProviderCatalogProvider,
+    endpoint: &StoredProviderCatalogEndpoint,
+    keys: Vec<StoredProviderCatalogKey>,
+    proxy_override: Option<ProxySnapshot>,
+) -> Result<Option<serde_json::Value>, GatewayError> {
+    let mut results = Vec::new();
+    let mut success_count = 0usize;
+    let mut failed_count = 0usize;
+    let mut auto_removed_count = 0usize;
+
+    for key in keys {
+        let transport = match state
+            .read_provider_transport_snapshot(&provider.id, &endpoint.id, &key.id)
+            .await?
+        {
+            Some(transport) => transport,
+            None => {
+                failed_count += 1;
+                results.push(json!({
+                    "key_id": key.id,
+                    "key_name": key.name,
+                    "status": "error",
+                    "message": "Provider transport snapshot unavailable",
+                }));
+                continue;
+            }
+        };
+
+        let authorization = match state.resolve_local_oauth_header_auth(&transport).await? {
+            Some(auth) => auth,
+            _ => {
+                if quota_key_auto_removed(state, &key.id).await? {
+                    auto_removed_count += 1;
+                    results.push(oauth_refresh_auto_removed_result(&key));
+                    continue;
+                }
+                failed_count += 1;
+                results.push(json!({
+                    "key_id": key.id,
+                    "key_name": key.name,
+                    "status": "error",
+                    "message": "缺少 OAuth 认证信息，请先授权/刷新 Token",
+                }));
+                continue;
+            }
+        };
+
+        let result = match execute_claude_code_quota_plan(
+            state,
+            &transport,
+            authorization,
+            proxy_override.as_ref(),
+        )
+        .await?
+        {
+            ProviderQuotaExecutionOutcome::Response(result) => result,
+            ProviderQuotaExecutionOutcome::Failure(_) => {
+                failed_count += 1;
+                results.push(json!({
+                    "key_id": key.id,
+                    "key_name": key.name,
+                    "status": "error",
+                    "message": "oauth/usage 请求执行失败",
+                    "status_code": 502,
+                }));
+                continue;
+            }
+        };
+
+        let now_unix_secs = SystemTime::now()
+            .duration_since(UNIX_EPOCH)
+            .ok()
+            .map(|duration| duration.as_secs())
+            .unwrap_or(0);
+        let mut metadata_update = None::<serde_json::Value>;
+        let (oauth_invalid_at_unix_secs, oauth_invalid_reason) =
+            quota_refresh_success_invalid_state(&key);
+        let mut status = "error".to_string();
+        let mut message = None::<String>;
+
+        if result.status_code == 200 {
+            if let Some(body_json) = result
+                .body
+                .as_ref()
+                .and_then(|body| body.json_body.as_ref())
+            {
+                metadata_update = parse_claude_code_oauth_usage_response(body_json, now_unix_secs)
+                    .map(|metadata| json!({ "claude_code": metadata }));
+                if metadata_update.is_some() {
+                    status = "success".to_string();
+                } else {
+                    status = "no_metadata".to_string();
+                    message = Some("响应中未包含额度窗口".to_string());
+                }
+            } else {
+                status = "no_metadata".to_string();
+                message = Some("响应中未包含配额信息".to_string());
+            }
+        } else {
+            message = Some(match result.status_code {
+                401 => "oauth/usage 返回 401，Token 可能已失效，请刷新 Token".to_string(),
+                403 => "oauth/usage 返回 403，该账号缺少 user:profile 权限（如 Setup Token），无法查询额度"
+                    .to_string(),
+                429 => "oauth/usage 被限流，请稍后重试".to_string(),
+                code => format!("oauth/usage 返回状态码 {code}"),
+            });
+        }
+
+        if !persist_provider_quota_refresh_state(
+            state,
+            &key.id,
+            metadata_update.as_ref(),
+            oauth_invalid_at_unix_secs,
+            oauth_invalid_reason,
+            None,
+        )
+        .await?
+        {
+            failed_count += 1;
+            results.push(json!({
+                "key_id": key.id,
+                "key_name": key.name,
+                "status": "error",
+                "message": "Key 状态写入失败",
+            }));
+            continue;
+        }
+
+        if status == "success" {
+            success_count += 1;
+        } else {
+            failed_count += 1;
+        }
+
+        let mut payload = serde_json::Map::new();
+        payload.insert("key_id".to_string(), json!(key.id));
+        payload.insert("key_name".to_string(), json!(key.name));
+        payload.insert("status".to_string(), json!(status));
+        if let Some(message) = message {
+            payload.insert("message".to_string(), json!(message));
+        }
+        if let Some(metadata) = metadata_update
+            .as_ref()
+            .and_then(|value| value.get("claude_code"))
+        {
+            payload.insert(
+                "metadata".to_string(),
+                admin_provider_metadata_bucket_safe_json("claude_code", Some(metadata)),
+            );
+        }
+        if let Some(quota_snapshot) = build_quota_snapshot_payload(
+            "claude_code",
+            key.status_snapshot.as_ref(),
+            metadata_update.as_ref(),
+        ) {
+            payload.insert("quota_snapshot".to_string(), quota_snapshot);
+        }
+        results.push(serde_json::Value::Object(payload));
+    }
+
+    Ok(Some(json!({
+        "success": success_count,
+        "failed": failed_count,
+        "total": results.len(),
+        "results": results,
+        "message": format!("已处理 {} 个 Key", results.len()),
+        "auto_removed": auto_removed_count,
+    })))
+}
diff --git a/apps/aether-gateway/src/handlers/admin/provider/oauth/quota/dispatch.rs b/apps/aether-gateway/src/handlers/admin/provider/oauth/quota/dispatch.rs
index 268b261df..fee4e20ef 100644
--- a/apps/aether-gateway/src/handlers/admin/provider/oauth/quota/dispatch.rs
+++ b/apps/aether-gateway/src/handlers/admin/provider/oauth/quota/dispatch.rs
@@ -3,6 +3,7 @@ use std::pin::Pin;
 
 use super::antigravity::refresh_antigravity_provider_quota_locally;
 use super::chatgpt_web::refresh_chatgpt_web_provider_quota_locally;
+use super::claude_code::refresh_claude_code_provider_quota_locally;
 use super::codex::refresh_codex_provider_quota_locally;
 use super::gemini_cli::refresh_gemini_cli_provider_quota_locally;
 use super::grok::refresh_grok_provider_quota_locally;
@@ -36,6 +37,10 @@ const PROVIDER_QUOTA_REFRESH_HANDLERS: &[(&str, ProviderQuotaRefreshHandler)] =
         "chatgpt_web",
         refresh_chatgpt_web_provider_quota_locally_boxed,
     ),
+    (
+        "claude_code",
+        refresh_claude_code_provider_quota_locally_boxed,
+    ),
     ("codex", refresh_codex_provider_quota_locally_boxed),
     (
         "gemini_cli",
@@ -113,6 +118,22 @@ fn refresh_codex_provider_quota_locally_boxed<'a>(
     ))
 }
 
+fn refresh_claude_code_provider_quota_locally_boxed<'a>(
+    state: &'a AdminAppState<'a>,
+    provider: &'a StoredProviderCatalogProvider,
+    endpoint: &'a StoredProviderCatalogEndpoint,
+    keys: Vec<StoredProviderCatalogKey>,
+    proxy_override: Option<ProxySnapshot>,
+) -> ProviderQuotaRefreshFuture<'a> {
+    Box::pin(refresh_claude_code_provider_quota_locally(
+        state,
+        provider,
+        endpoint,
+        keys,
+        proxy_override,
+    ))
+}
+
 fn refresh_gemini_cli_provider_quota_locally_boxed<'a>(
     state: &'a AdminAppState<'a>,
     provider: &'a StoredProviderCatalogProvider,
diff --git a/apps/aether-gateway/src/handlers/admin/provider/oauth/quota/mod.rs b/apps/aether-gateway/src/handlers/admin/provider/oauth/quota/mod.rs
index 3f794abae..1ab388d30 100644
--- a/apps/aether-gateway/src/handlers/admin/provider/oauth/quota/mod.rs
+++ b/apps/aether-gateway/src/handlers/admin/provider/oauth/quota/mod.rs
@@ -1,5 +1,6 @@
 pub(crate) mod antigravity;
 pub(crate) mod chatgpt_web;
+pub(crate) mod claude_code;
 pub(crate) mod codex;
 pub(crate) mod dispatch;
 pub(crate) mod gemini_cli;
diff --git a/apps/aether-gateway/src/handlers/admin/provider/oauth/quota/shared.rs b/apps/aether-gateway/src/handlers/admin/provider/oauth/quota/shared.rs
index e9c086b7e..5be9c5cb0 100644
--- a/apps/aether-gateway/src/handlers/admin/provider/oauth/quota/shared.rs
+++ b/apps/aether-gateway/src/handlers/admin/provider/oauth/quota/shared.rs
@@ -1713,6 +1713,7 @@ fn provider_quota_url_has_allowed_origin(provider_name: &str, value: &str) -> bo
                 | "daily-cloudcode-pa.sandbox.googleapis.com"
         ),
         "gemini_cli" => host == "cloudcode-pa.googleapis.com",
+        "claude_code" => host == "api.anthropic.com",
         "chatgpt_web" | "codex" => host == "chatgpt.com",
         "grok" => host == "grok.com",
         "xai" => host == "cli-chat-proxy.grok.com",
diff --git a/apps/aether-gateway/src/handlers/shared/catalog.rs b/apps/aether-gateway/src/handlers/shared/catalog.rs
index 96ab2f78c..c9038926e 100644
--- a/apps/aether-gateway/src/handlers/shared/catalog.rs
+++ b/apps/aether-gateway/src/handlers/shared/catalog.rs
@@ -2294,6 +2294,107 @@ fn build_gemini_cli_quota_status_snapshot(
     }))
 }
 
+fn build_claude_code_quota_status_snapshot(
+    upstream_metadata: Option<&Value>,
+    source: &str,
+) -> Option<Value> {
+    let metadata = provider_quota_metadata_bucket(upstream_metadata, "claude_code")?;
+    let observed_at_unix_secs = provider_quota_timestamp_unix_secs(metadata.get("updated_at"));
+    // (metadata prefix, window code, window minutes, account-wide?). Display labels are
+    // resolved by the frontend from `code` so they follow the UI locale.
+    let definitions: [(&str, &str, u64, bool); 4] = [
+        ("five_hour", "5h", 300, true),
+        ("seven_day", "weekly", 10_080, true),
+        ("seven_day_sonnet", "weekly_sonnet", 10_080, false),
+        ("seven_day_fable", "weekly_fable", 10_080, false),
+    ];
+    let mut windows = Vec::new();
+    for (prefix, code, window_minutes, account_wide) in definitions {
+        let used_percent = metadata
+            .get(&format!("{prefix}_used_percent"))
+            .and_then(Value::as_f64);
+        let reset_at =
+            provider_quota_timestamp_unix_secs(metadata.get(&format!("{prefix}_reset_at")));
+        // A window whose reset time already passed no longer describes current usage.
+        let expired = reset_at
+            .zip(observed_at_unix_secs)
+            .is_some_and(|(reset_at, observed_at)| reset_at <= observed_at);
+        let Some(used_percent) = used_percent else {
+            continue;
+        };
+        let used_ratio = if expired {
+            0.0
+        } else {
+            (used_percent / 100.0).clamp(0.0, 1.0)
+        };
+        let reset_seconds = reset_at
+            .zip(observed_at_unix_secs)
+            .map(|(reset_at, observed_at)| reset_at.saturating_sub(observed_at));
+        let mut window = json!({
+            "code": code,
+            "scope": if account_wide { "account" } else { "model" },
+            "unit": "percent",
+            "used_ratio": used_ratio,
+            "remaining_ratio": 1.0 - used_ratio,
+            "reset_at": reset_at,
+            "reset_seconds": reset_seconds,
+            "window_minutes": window_minutes,
+            "is_exhausted": used_ratio >= 1.0 - 1e-6,
+        });
+        if !account_wide {
+            window["quota_group"] = json!(code);
+        }
+        windows.push(window);
+    }
+    if windows.is_empty() {
+        return None;
+    }
+
+    let account_windows = windows
+        .iter()
+        .filter(|window| window.get("scope").and_then(Value::as_str) == Some("account"))
+        .cloned()
+        .collect::<Vec<_>>();
+    let blocking_windows = account_windows
+        .iter()
+        .filter(|window| window.get("is_exhausted").and_then(Value::as_bool) == Some(true))
+        .cloned()
+        .collect::<Vec<_>>();
+    let exhausted = !blocking_windows.is_empty();
+    // The account is usable again only once every exhausted window resets.
+    let reset_at = if exhausted {
+        blocking_windows
+            .iter()
+            .filter_map(|window| provider_quota_timestamp_unix_secs(window.get("reset_at")))
+            .max()
+    } else {
+        None
+    };
+    let reset_seconds = if exhausted {
+        blocking_windows
+            .iter()
+            .filter_map(|window| window.get("reset_seconds").and_then(Value::as_u64))
+            .max()
+    } else {
+        None
+    };
+
+    Some(json!({
+        "version": 2,
+        "provider_type": "claude_code",
+        "code": if exhausted { "exhausted" } else { "ok" },
+        "freshness": "fresh",
+        "source": source,
+        "observed_at": observed_at_unix_secs,
+        "exhausted": exhausted,
+        "usage_ratio": quota_windows_usage_ratio(&account_windows),
+        "updated_at": observed_at_unix_secs,
+        "reset_at": reset_at,
+        "reset_seconds": reset_seconds,
+        "windows": windows,
+    }))
+}
+
 fn build_codex_reset_credits_status_snapshot(
     metadata: &Map<String, Value>,
     observed_at_unix_secs: Option<u64>,
@@ -2423,6 +2524,7 @@ pub(crate) fn sync_provider_key_quota_status_snapshot(
         "antigravity" => build_antigravity_quota_status_snapshot(upstream_metadata, source),
         "grok" => build_grok_quota_status_snapshot(upstream_metadata, source),
         "gemini_cli" => build_gemini_cli_quota_status_snapshot(upstream_metadata, source),
+        "claude_code" => build_claude_code_quota_status_snapshot(upstream_metadata, source),
         _ => None,
     }?;
     if normalized_provider_type == "codex" {
@@ -3737,6 +3839,44 @@ mod tests {
         assert_eq!(window.get("used_value"), Some(&json!(0.0)));
     }
 
+    #[test]
+    fn provider_key_status_snapshot_payload_backfills_claude_code_usage_windows() {
+        let mut key = sample_catalog_key();
+        key.upstream_metadata = Some(json!({
+            "claude_code": {
+                "updated_at": 1_800_000_000u64,
+                "five_hour_used_percent": 100.0,
+                "five_hour_reset_at": 1_800_003_600u64,
+                "seven_day_used_percent": 40.0,
+                "seven_day_reset_at": 1_800_400_000u64,
+                "seven_day_sonnet_used_percent": 10.0,
+                "seven_day_sonnet_reset_at": 1_800_400_000u64
+            }
+        }));
+
+        let payload = provider_key_status_snapshot_payload(&key, "claude_code");
+        let quota = payload
+            .get("quota")
+            .and_then(Value::as_object)
+            .expect("quota snapshot should be object");
+        assert_eq!(quota.get("provider_type"), Some(&json!("claude_code")));
+        // An exhausted 5h window blocks the whole account until it resets.
+        assert_eq!(quota.get("exhausted"), Some(&json!(true)));
+        assert_eq!(quota.get("reset_at"), Some(&json!(1_800_003_600u64)));
+        let windows = quota
+            .get("windows")
+            .and_then(Value::as_array)
+            .expect("windows should exist");
+        assert_eq!(windows.len(), 3);
+        assert_eq!(windows[0]["code"], json!("5h"));
+        assert_eq!(windows[0]["scope"], json!("account"));
+        assert_eq!(windows[0]["window_minutes"], json!(300));
+        assert_eq!(windows[1]["code"], json!("weekly"));
+        assert_eq!(windows[1]["used_ratio"], json!(0.4));
+        assert_eq!(windows[2]["code"], json!("weekly_sonnet"));
+        assert_eq!(windows[2]["scope"], json!("model"));
+    }
+
     #[test]
     fn provider_key_status_snapshot_payload_backfills_grok_model_quota() {
         let mut key = sample_catalog_key();
diff --git a/apps/aether-gateway/tests/architecture/ai_serving.rs b/apps/aether-gateway/tests/architecture/ai_serving.rs
index c429de37c..555a460e7 100644
--- a/apps/aether-gateway/tests/architecture/ai_serving.rs
+++ b/apps/aether-gateway/tests/architecture/ai_serving.rs
@@ -1453,7 +1453,7 @@ fn ai_serving_planner_separates_local_candidate_resolution_from_ranking() {
         "KiroProviderPoolAdapter",
         "ChatGptWebProviderPoolAdapter",
         "XaiProviderPoolAdapter",
-        "CLAUDE_CODE_PROVIDER_POOL_ADAPTER",
+        "ClaudeCodeProviderPoolAdapter",
         "VERTEX_AI_PROVIDER_POOL_ADAPTER",
         "provider_types_for_capability",
         "supports_quota_refresh",
@@ -1537,10 +1537,16 @@ fn ai_serving_planner_separates_local_candidate_resolution_from_ranking() {
             "crates/aether-provider/pool/src/providers/unsupported.rs",
             vec![
                 "UnsupportedQuotaProviderPoolAdapter",
-                "CLAUDE_CODE_PROVIDER_POOL_ADAPTER",
                 "VERTEX_AI_PROVIDER_POOL_ADAPTER",
             ],
         ),
+        (
+            "crates/aether-provider/pool/src/providers/claude_code.rs",
+            vec![
+                "ClaudeCodeProviderPoolAdapter",
+                "build_claude_code_pool_quota_request",
+            ],
+        ),
     ] {
         let source = read_workspace_file(path);
         for pattern in patterns {
diff --git a/crates/aether-admin/src/provider/quota.rs b/crates/aether-admin/src/provider/quota.rs
index 1ed101ad8..f515fe156 100644
--- a/crates/aether-admin/src/provider/quota.rs
+++ b/crates/aether-admin/src/provider/quota.rs
@@ -404,6 +404,68 @@ pub fn parse_antigravity_quota_summary_response(
     (!parsed_groups.is_empty()).then_some(serde_json::Value::Array(parsed_groups))
 }
 
+/// Windows reported by `GET /api/oauth/usage`, as `(response key, metadata prefix)`.
+pub const CLAUDE_CODE_USAGE_WINDOWS: [(&str, &str); 4] = [
+    ("five_hour", "five_hour"),
+    ("seven_day", "seven_day"),
+    ("seven_day_sonnet", "seven_day_sonnet"),
+    ("seven_day_overage_included", "seven_day_fable"),
+];
+
+/// Parses the Anthropic OAuth usage response into the `claude_code` metadata bucket.
+///
+/// Each window carries `utilization` (percent, 0-100) and `resets_at` (RFC 3339).
+/// Windows that are absent or `null` (e.g. plans without a Sonnet/Fable window) are
+/// skipped; `None` is returned when no window is present at all.
+pub fn parse_claude_code_oauth_usage_response(
+    value: &serde_json::Value,
+    updated_at_unix_secs: u64,
+) -> Option<serde_json::Value> {
+    let root = value.as_object()?;
+    let mut bucket = serde_json::Map::new();
+    for (response_key, prefix) in CLAUDE_CODE_USAGE_WINDOWS {
+        let Some(window) = root
+            .get(response_key)
+            .and_then(serde_json::Value::as_object)
+        else {
+            continue;
+        };
+        let utilization = window
+            .get("utilization")
+            .and_then(|value| match value {
+                serde_json::Value::Number(number) => number.as_f64(),
+                serde_json::Value::String(text) => text.trim().parse::<f64>().ok(),
+                _ => None,
+            })
+            .filter(|value| value.is_finite());
+        let reset_at = window
+            .get("resets_at")
+            .and_then(serde_json::Value::as_str)
+            .and_then(|text| chrono::DateTime::parse_from_rfc3339(text.trim()).ok())
+            .and_then(|time| u64::try_from(time.timestamp()).ok());
+        if utilization.is_none() && reset_at.is_none() {
+            continue;
+        }
+        if let Some(utilization) = utilization {
+            bucket.insert(
+                format!("{prefix}_used_percent"),
+                serde_json::json!(utilization.clamp(0.0, 100.0)),
+            );
+        }
+        if let Some(reset_at) = reset_at {
+            bucket.insert(format!("{prefix}_reset_at"), serde_json::json!(reset_at));
+        }
+    }
+    if bucket.is_empty() {
+        return None;
+    }
+    bucket.insert(
+        "updated_at".to_string(),
+        serde_json::json!(updated_at_unix_secs),
+    );
+    Some(serde_json::Value::Object(bucket))
+}
+
 pub fn parse_gemini_cli_retrieve_user_quota_response(
     value: &serde_json::Value,
     updated_at_unix_secs: u64,
@@ -7704,3 +7766,37 @@ mod tests {
         assert!(!serialized.contains("user:password"));
     }
 }
+
+#[cfg(test)]
+mod claude_code_quota_tests {
+    use super::parse_claude_code_oauth_usage_response;
+    use serde_json::json;
+
+    #[test]
+    fn parses_windows_and_skips_null_ones() {
+        let parsed = parse_claude_code_oauth_usage_response(
+            &json!({
+                "five_hour": {"utilization": 37.5, "resets_at": "2027-01-15T08:00:00.000000+00:00"},
+                "seven_day": {"utilization": 12, "resets_at": "2027-01-20T00:00:00Z"},
+                "seven_day_sonnet": null,
+                "seven_day_overage_included": {"utilization": 3.0, "resets_at": null}
+            }),
+            1_800_000_000,
+        )
+        .expect("usage windows should parse");
+
+        assert_eq!(parsed["updated_at"], json!(1_800_000_000u64));
+        assert_eq!(parsed["five_hour_used_percent"], json!(37.5));
+        assert_eq!(parsed["five_hour_reset_at"], json!(1_800_000_000u64));
+        assert_eq!(parsed["seven_day_used_percent"], json!(12.0));
+        assert!(parsed.get("seven_day_sonnet_used_percent").is_none());
+        assert_eq!(parsed["seven_day_fable_used_percent"], json!(3.0));
+        assert!(parsed.get("seven_day_fable_reset_at").is_none());
+    }
+
+    #[test]
+    fn returns_none_without_any_window() {
+        assert!(parse_claude_code_oauth_usage_response(&json!({}), 1).is_none());
+        assert!(parse_claude_code_oauth_usage_response(&json!({"five_hour": null}), 1).is_none());
+    }
+}
diff --git a/crates/aether-provider/pool/src/lib.rs b/crates/aether-provider/pool/src/lib.rs
index 088987fff..64c6e7048 100644
--- a/crates/aether-provider/pool/src/lib.rs
+++ b/crates/aether-provider/pool/src/lib.rs
@@ -16,26 +16,26 @@ pub use presets::{
 pub use provider::{ProviderPoolAdapter, ProviderPoolMemberInput};
 pub use providers::{
     build_antigravity_pool_quota_request, build_antigravity_pool_quota_summary_request,
-    build_chatgpt_web_pool_quota_request, build_codex_pool_quota_request,
-    build_codex_pool_reset_credit_consume_request, build_codex_pool_reset_credits_request,
-    build_gemini_cli_pool_quota_request, build_kiro_pool_quota_request,
-    build_windsurf_pool_model_configs_request,
+    build_chatgpt_web_pool_quota_request, build_claude_code_pool_quota_request,
+    build_codex_pool_quota_request, build_codex_pool_reset_credit_consume_request,
+    build_codex_pool_reset_credits_request, build_gemini_cli_pool_quota_request,
+    build_kiro_pool_quota_request, build_windsurf_pool_model_configs_request,
     build_windsurf_pool_model_configs_request_with_base_url, build_windsurf_pool_quota_request,
     build_windsurf_pool_quota_request_with_base_url, build_windsurf_pool_rate_limit_request,
     build_windsurf_pool_rate_limit_request_with_base_url, build_xai_pool_billing_request,
     build_xai_pool_user_request, enrich_chatgpt_web_quota_metadata, grok_mode_id_for_model,
     grok_pool_tier_from_quota_bucket, grok_quota_window_key_for_model,
     grok_supported_quota_windows_for_tier, normalize_chatgpt_web_image_quota_limit,
-    AntigravityProviderPoolAdapter, ChatGptWebProviderPoolAdapter, CodexProviderPoolAdapter,
-    DefaultProviderPoolAdapter, GeminiCliProviderPoolAdapter, GrokProviderPoolAdapter,
-    KiroPoolQuotaAuthInput, KiroProviderPoolAdapter, UnsupportedQuotaProviderPoolAdapter,
-    XaiProviderPoolAdapter, ANTIGRAVITY_FETCH_AVAILABLE_MODELS_PATH,
-    ANTIGRAVITY_RETRIEVE_USER_QUOTA_SUMMARY_PATH, CHATGPT_WEB_CONVERSATION_INIT_PATH,
-    CHATGPT_WEB_DEFAULT_BASE_URL, CODEX_WHAM_RESET_CREDITS_CONSUME_URL,
-    CODEX_WHAM_RESET_CREDITS_URL, CODEX_WHAM_USAGE_URL, GEMINI_CLI_RETRIEVE_USER_QUOTA_PATH,
-    GEMINI_CLI_USER_AGENT, KIRO_USAGE_LIMITS_PATH, KIRO_USAGE_SDK_VERSION,
-    WINDSURF_MODEL_CONFIGS_PATH, WINDSURF_RATE_LIMIT_PATH, WINDSURF_USER_STATUS_PATH,
-    XAI_BILLING_PATH, XAI_USER_PATH,
+    AntigravityProviderPoolAdapter, ChatGptWebProviderPoolAdapter, ClaudeCodeProviderPoolAdapter,
+    CodexProviderPoolAdapter, DefaultProviderPoolAdapter, GeminiCliProviderPoolAdapter,
+    GrokProviderPoolAdapter, KiroPoolQuotaAuthInput, KiroProviderPoolAdapter,
+    UnsupportedQuotaProviderPoolAdapter, XaiProviderPoolAdapter,
+    ANTIGRAVITY_FETCH_AVAILABLE_MODELS_PATH, ANTIGRAVITY_RETRIEVE_USER_QUOTA_SUMMARY_PATH,
+    CHATGPT_WEB_CONVERSATION_INIT_PATH, CHATGPT_WEB_DEFAULT_BASE_URL,
+    CODEX_WHAM_RESET_CREDITS_CONSUME_URL, CODEX_WHAM_RESET_CREDITS_URL, CODEX_WHAM_USAGE_URL,
+    GEMINI_CLI_RETRIEVE_USER_QUOTA_PATH, GEMINI_CLI_USER_AGENT, KIRO_USAGE_LIMITS_PATH,
+    KIRO_USAGE_SDK_VERSION, WINDSURF_MODEL_CONFIGS_PATH, WINDSURF_RATE_LIMIT_PATH,
+    WINDSURF_USER_STATUS_PATH, XAI_BILLING_PATH, XAI_USER_PATH,
 };
 pub use quota::{
     provider_pool_codex_metadata_has_account_quota, provider_pool_key_account_quota_exhausted,
@@ -104,6 +104,7 @@ mod tests {
             [
                 "antigravity",
                 "chatgpt_web",
+                "claude_code",
                 "codex",
                 "gemini_cli",
                 "grok",
@@ -112,15 +113,25 @@ mod tests {
                 "xai"
             ]
         );
+        assert!(service.supports_quota_refresh("claude_code"));
         assert!(service.supports_quota_refresh("codex"));
         assert!(service.supports_quota_refresh("antigravity"));
         assert!(service.supports_quota_refresh("grok"));
         assert!(service.supports_quota_refresh("gemini_cli"));
         assert!(service.supports_quota_refresh("windsurf"));
         assert!(service.supports_quota_refresh("xai"));
+        let claude_spec = build_claude_code_pool_quota_request(
+            "key-1",
+            ("authorization".to_string(), "Bearer access".to_string()),
+        );
+        assert_eq!(claude_spec.method, "GET");
+        assert_eq!(claude_spec.url, "https://api.anthropic.com/api/oauth/usage");
         assert_eq!(
-            service.quota_refresh_unsupported_message("claude_code"),
-            "Claude Code 暂不支持自动刷新额度：上游没有稳定可用的账号额度查询接口"
+            claude_spec
+                .headers
+                .get("anthropic-beta")
+                .map(String::as_str),
+            Some("oauth-2025-04-20")
         );
         assert_eq!(
             service.quota_refresh_unsupported_message("vertex_ai"),
diff --git a/crates/aether-provider/pool/src/providers/claude_code.rs b/crates/aether-provider/pool/src/providers/claude_code.rs
new file mode 100644
index 000000000..84f1e92f5
--- /dev/null
+++ b/crates/aether-provider/pool/src/providers/claude_code.rs
@@ -0,0 +1,79 @@
+use std::collections::BTreeMap;
+
+use aether_data_contracts::repository::provider_catalog::StoredProviderCatalogEndpoint;
+
+use crate::capability::ProviderPoolCapabilities;
+use crate::provider::{
+    provider_pool_endpoint_format_matches, provider_pool_matching_endpoint, ProviderPoolAdapter,
+};
+use crate::quota_refresh::ProviderPoolQuotaRequestSpec;
+
+pub const CLAUDE_CODE_OAUTH_USAGE_URL: &str = "https://api.anthropic.com/api/oauth/usage";
+pub const CLAUDE_CODE_OAUTH_BETA: &str = "oauth-2025-04-20";
+pub const CLAUDE_CODE_USAGE_USER_AGENT: &str = "claude-code/2.1.284";
+
+#[derive(Debug, Clone, Default)]
+pub struct ClaudeCodeProviderPoolAdapter;
+
+impl ProviderPoolAdapter for ClaudeCodeProviderPoolAdapter {
+    fn provider_type(&self) -> &'static str {
+        "claude_code"
+    }
+
+    fn capabilities(&self) -> ProviderPoolCapabilities {
+        ProviderPoolCapabilities {
+            quota_refresh: true,
+            ..ProviderPoolCapabilities::default()
+        }
+    }
+
+    fn quota_refresh_endpoint(
+        &self,
+        endpoints: &[StoredProviderCatalogEndpoint],
+        include_inactive: bool,
+    ) -> Option<StoredProviderCatalogEndpoint> {
+        provider_pool_matching_endpoint(endpoints, include_inactive, |endpoint| {
+            provider_pool_endpoint_format_matches(endpoint, "claude:messages")
+        })
+    }
+
+    fn quota_refresh_missing_endpoint_message(&self) -> String {
+        "找不到有效的 claude:messages 端点".to_string()
+    }
+}
+
+/// Builds the `GET /api/oauth/usage` request that reports the account's 5h / 7d
+/// utilization windows. The URL is fixed (the origin allowlist only accepts
+/// `api.anthropic.com`), independent of the inference endpoint's base URL.
+pub fn build_claude_code_pool_quota_request(
+    key_id: &str,
+    authorization: (String, String),
+) -> ProviderPoolQuotaRequestSpec {
+    let headers = BTreeMap::from([
+        ("authorization".to_string(), authorization.1),
+        ("accept".to_string(), "application/json".to_string()),
+        ("content-type".to_string(), "application/json".to_string()),
+        (
+            "anthropic-beta".to_string(),
+            CLAUDE_CODE_OAUTH_BETA.to_string(),
+        ),
+        (
+            "user-agent".to_string(),
+            CLAUDE_CODE_USAGE_USER_AGENT.to_string(),
+        ),
+    ]);
+
+    ProviderPoolQuotaRequestSpec {
+        request_id: format!("claude-code-quota:{key_id}"),
+        provider_name: "claude_code".to_string(),
+        quota_kind: "claude_code".to_string(),
+        method: "GET".to_string(),
+        url: CLAUDE_CODE_OAUTH_USAGE_URL.to_string(),
+        headers,
+        content_type: None,
+        json_body: None,
+        client_api_format: "claude:messages".to_string(),
+        provider_api_format: "claude_code:oauth_usage".to_string(),
+        model_name: Some("oauth_usage".to_string()),
+    }
+}
diff --git a/crates/aether-provider/pool/src/providers/mod.rs b/crates/aether-provider/pool/src/providers/mod.rs
index 9260caaf9..fe166a912 100644
--- a/crates/aether-provider/pool/src/providers/mod.rs
+++ b/crates/aether-provider/pool/src/providers/mod.rs
@@ -1,5 +1,6 @@
 pub mod antigravity;
 pub mod chatgpt_web;
+pub mod claude_code;
 pub mod codex;
 pub mod default;
 pub mod gemini_cli;
@@ -20,6 +21,11 @@ pub use chatgpt_web::{
     normalize_chatgpt_web_image_quota_limit, CHATGPT_WEB_CONVERSATION_INIT_PATH,
     CHATGPT_WEB_DEFAULT_BASE_URL,
 };
+pub use claude_code::ClaudeCodeProviderPoolAdapter;
+pub use claude_code::{
+    build_claude_code_pool_quota_request, CLAUDE_CODE_OAUTH_BETA, CLAUDE_CODE_OAUTH_USAGE_URL,
+    CLAUDE_CODE_USAGE_USER_AGENT,
+};
 pub use codex::CodexProviderPoolAdapter;
 pub use codex::{
     build_codex_pool_quota_request, build_codex_pool_reset_credit_consume_request,
@@ -40,10 +46,7 @@ pub use kiro::{
     build_kiro_pool_quota_request, KiroPoolQuotaAuthInput, KIRO_USAGE_LIMITS_PATH,
     KIRO_USAGE_SDK_VERSION,
 };
-pub use unsupported::{
-    UnsupportedQuotaProviderPoolAdapter, CLAUDE_CODE_PROVIDER_POOL_ADAPTER,
-    VERTEX_AI_PROVIDER_POOL_ADAPTER,
-};
+pub use unsupported::{UnsupportedQuotaProviderPoolAdapter, VERTEX_AI_PROVIDER_POOL_ADAPTER};
 pub use windsurf::{
     build_windsurf_pool_model_configs_request,
     build_windsurf_pool_model_configs_request_with_base_url, build_windsurf_pool_quota_request,
diff --git a/crates/aether-provider/pool/src/providers/unsupported.rs b/crates/aether-provider/pool/src/providers/unsupported.rs
index 0a9dbaf1f..5b7fabb05 100644
--- a/crates/aether-provider/pool/src/providers/unsupported.rs
+++ b/crates/aether-provider/pool/src/providers/unsupported.rs
@@ -28,12 +28,6 @@ impl ProviderPoolAdapter for UnsupportedQuotaProviderPoolAdapter {
     }
 }
 
-pub const CLAUDE_CODE_PROVIDER_POOL_ADAPTER: UnsupportedQuotaProviderPoolAdapter =
-    UnsupportedQuotaProviderPoolAdapter::new(
-        "claude_code",
-        "Claude Code 暂不支持自动刷新额度：上游没有稳定可用的账号额度查询接口",
-    );
-
 pub const VERTEX_AI_PROVIDER_POOL_ADAPTER: UnsupportedQuotaProviderPoolAdapter =
     UnsupportedQuotaProviderPoolAdapter::new(
         "vertex_ai",
diff --git a/crates/aether-provider/pool/src/service.rs b/crates/aether-provider/pool/src/service.rs
index a0668c817..f86d68a13 100644
--- a/crates/aether-provider/pool/src/service.rs
+++ b/crates/aether-provider/pool/src/service.rs
@@ -11,10 +11,10 @@ use crate::capability::ProviderPoolCapability;
 use crate::presets::normalize_provider_scheduling_presets;
 use crate::provider::{ProviderPoolAdapter, ProviderPoolMemberInput};
 use crate::providers::{
-    AntigravityProviderPoolAdapter, ChatGptWebProviderPoolAdapter, CodexProviderPoolAdapter,
-    DefaultProviderPoolAdapter, GeminiCliProviderPoolAdapter, GrokProviderPoolAdapter,
-    KiroProviderPoolAdapter, WindsurfProviderPoolAdapter, XaiProviderPoolAdapter,
-    CLAUDE_CODE_PROVIDER_POOL_ADAPTER, VERTEX_AI_PROVIDER_POOL_ADAPTER,
+    AntigravityProviderPoolAdapter, ChatGptWebProviderPoolAdapter, ClaudeCodeProviderPoolAdapter,
+    CodexProviderPoolAdapter, DefaultProviderPoolAdapter, GeminiCliProviderPoolAdapter,
+    GrokProviderPoolAdapter, KiroProviderPoolAdapter, WindsurfProviderPoolAdapter,
+    XaiProviderPoolAdapter, VERTEX_AI_PROVIDER_POOL_ADAPTER,
 };
 
 #[derive(Clone)]
@@ -48,7 +48,7 @@ impl ProviderPoolService {
     pub fn with_builtin_adapters() -> Self {
         Self::new()
             .with_adapter(Arc::new(AntigravityProviderPoolAdapter))
-            .with_adapter(Arc::new(CLAUDE_CODE_PROVIDER_POOL_ADAPTER))
+            .with_adapter(Arc::new(ClaudeCodeProviderPoolAdapter))
             .with_adapter(Arc::new(CodexProviderPoolAdapter))
             .with_adapter(Arc::new(GeminiCliProviderPoolAdapter))
             .with_adapter(Arc::new(GrokProviderPoolAdapter))
diff --git a/frontend/src/i18n/legacy-admin-messages.ts b/frontend/src/i18n/legacy-admin-messages.ts
index c81f44423..4b7cdff04 100644
--- a/frontend/src/i18n/legacy-admin-messages.ts
+++ b/frontend/src/i18n/legacy-admin-messages.ts
@@ -1,4 +1,10 @@
 export const legacyAdminEnglishMessages: Record<string, string> = {
+  '响应中未包含配额信息': 'The response contains no quota information',
+  '响应中未包含额度窗口': 'The response contains no quota windows',
+  'oauth/usage 请求执行失败': 'oauth/usage request failed',
+  'oauth/usage 返回 401，Token 可能已失效，请刷新 Token': 'oauth/usage returned 401. The token may have expired; please refresh it',
+  'oauth/usage 返回 403，该账号缺少 user:profile 权限（如 Setup Token），无法查询额度': 'oauth/usage returned 403. This account lacks the user:profile scope (e.g. a Setup Token), so quota cannot be queried',
+  'oauth/usage 被限流，请稍后重试': 'oauth/usage was rate limited; please retry later',
   '配置额度、流量限制、会员权益和组合套餐': 'Configure credit, usage limits, membership benefits, and bundled plans',
   '新建套餐': 'Create plan',
   '套餐列表': 'Plans',
diff --git a/frontend/src/i18n/messages.ts b/frontend/src/i18n/messages.ts
index bffeb1737..657da96d5 100644
--- a/frontend/src/i18n/messages.ts
+++ b/frontend/src/i18n/messages.ts
@@ -6,6 +6,11 @@ import { legacyGuideEnglishMessages } from './legacy-guide-messages'
 export const messages = {
   'zh-CN': {
     'common.loading': '加载中...',
+    'poolQuota.claudeCode.window5h': '5H',
+    'poolQuota.claudeCode.weekly': '周',
+    'poolQuota.claudeCode.weeklySonnet': '周 Sonnet',
+    'poolQuota.claudeCode.weeklyFable': '周 Fable',
+    'poolQuota.claudeCode.unknownWindow': '额度',
     'common.confirmRead': '确认已读',
     'common.confirming': '确认中...',
     'common.copy': '复制',
@@ -491,6 +496,11 @@ export const messages = {
   },
   'en-US': {
     'common.loading': 'Loading...',
+    'poolQuota.claudeCode.window5h': '5H',
+    'poolQuota.claudeCode.weekly': 'Weekly',
+    'poolQuota.claudeCode.weeklySonnet': 'Weekly Sonnet',
+    'poolQuota.claudeCode.weeklyFable': 'Weekly Fable',
+    'poolQuota.claudeCode.unknownWindow': 'Quota',
     'common.confirmRead': 'Confirm read',
     'common.confirming': 'Confirming...',
     'common.copy': 'Copy',
@@ -3066,6 +3076,7 @@ const legacyDynamicPatterns: Array<[RegExp, (match: RegExpMatchArray) => string]
   [/^(1[0-2]|[1-9])月$/u, match => new Intl.DateTimeFormat('en-US', { month: 'short', timeZone: 'UTC' }).format(new Date(Date.UTC(2020, Number(match[1]) - 1, 1)))],
   [/^总可用：(.+)$/u, match => `Total available: ${match[1]}`],
   [/^余额：(.+)$/u, match => `Balance: ${match[1]}`],
+  [/^oauth\/usage 返回状态码 (\d+)$/u, match => `oauth/usage returned status ${match[1]}`],
   [/^(.+) 秒$/u, match => `${translateLegacyText(match[1], 'en-US')}s`],
   [/^(.+) 分钟$/u, match => `${translateLegacyText(match[1], 'en-US')} min`],
   [/^(.+) 小时$/u, match => `${translateLegacyText(match[1], 'en-US')} h`],
diff --git a/frontend/src/views/admin/PoolManagement.vue b/frontend/src/views/admin/PoolManagement.vue
index 17a8bf2b4..5a063db2a 100644
--- a/frontend/src/views/admin/PoolManagement.vue
+++ b/frontend/src/views/admin/PoolManagement.vue
@@ -1071,6 +1071,7 @@ import { useConfirm } from '@/composables/useConfirm'
 import { useRouteQuery } from '@/composables/useRouteQuery'
 import { useBatchSelection } from '@/composables/useBatchSelection'
 import { useI18n } from '@/i18n'
+import type { MessageKey } from '@/i18n/messages'
 import { parseApiError } from '@/utils/errorParser'
 import {
   getPoolOverview,
@@ -1696,6 +1697,7 @@ watch(showAdaptiveHotPoolMetricsButton, (enabled) => {
 
 const showAccountQuotaColumn = computed(() => {
   return selectedProviderType.value === 'codex'
+    || selectedProviderType.value === 'claude_code'
     || selectedProviderType.value === 'gemini_cli'
     || selectedProviderType.value === 'kiro'
     || selectedProviderType.value === 'windsurf'
@@ -2146,6 +2148,7 @@ function getPoolKeyAccountStatsMetrics(key: PoolKeyDetail): PoolStatsMetric[] {
 
 const quotaRefreshSupported = computed(() => {
   return selectedProviderType.value === 'codex'
+    || selectedProviderType.value === 'claude_code'
     || selectedProviderType.value === 'kiro'
     || selectedProviderType.value === 'gemini_cli'
     || selectedProviderType.value === 'windsurf'
@@ -3902,6 +3905,33 @@ function buildQuotaProgressItemsFromSnapshot(key: PoolKeyDetail): QuotaProgressI
       .filter((item): item is QuotaProgressItem => item != null)
   }
 
+  if (providerType === 'claude_code') {
+    const quotaResetAtSeconds = getQuotaSnapshotResetAtSeconds(quota)
+    const quotaResetSeconds = getQuotaSnapshotResetSeconds(quota)
+    const windowPresentations: Record<string, { labelKey: MessageKey, sortOrder: number }> = {
+      '5h': { labelKey: 'poolQuota.claudeCode.window5h', sortOrder: 0 },
+      weekly: { labelKey: 'poolQuota.claudeCode.weekly', sortOrder: 1 },
+      weekly_sonnet: { labelKey: 'poolQuota.claudeCode.weeklySonnet', sortOrder: 2 },
+      weekly_fable: { labelKey: 'poolQuota.claudeCode.weeklyFable', sortOrder: 3 },
+    }
+    return (quota.windows ?? [])
+      .map((window): QuotaProgressItem | null => {
+        const remainingPercent = getQuotaWindowRemainingPercent(window)
+        if (remainingPercent == null) return null
+        const presentation = windowPresentations[String(window.code || '')]
+        return {
+          label: t(presentation?.labelKey ?? 'poolQuota.claudeCode.unknownWindow'),
+          sortOrder: presentation?.sortOrder ?? 9,
+          remainingPercent,
+          resetAtSeconds: normalizeUnixSeconds(window.reset_at ?? quotaResetAtSeconds ?? null),
+          resetSeconds: normalizeRemainingSeconds(window.reset_seconds ?? quotaResetSeconds ?? null),
+          updatedAtSeconds: getQuotaSnapshotUpdatedAtSeconds(quota),
+          allowDynamicReset: true,
+        }
+      })
+      .filter((item): item is QuotaProgressItem => item != null)
+  }
+
   if (providerType === 'gemini_cli') {
     const windows = getQuotaSnapshotWindowsByScope(quota, 'model')
     if (windows.length === 0) return []