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Developer starts Claude Code after idle period and immediately gets rate-limited despite not hitting usage limits; wants to understand why and how to disable or work around the spurious throttle Includes evidence for Claude Code / Anthropic API troubleshooting demand.
API Error: Server is temporarily limiting requests (not your usage limit) · Rate limited Fix Claude Code MCP OAuth authentication loop where Dynamic Client Registration (DCR) runs repeatedly instead of reusing cached credentials, causing orphaned client IDs and stale refresh tokens Includes evidence for Claude Code troubleshooting demand.
MCP OAuth: Claude Code re-runs DCR on every authenticate, orphaning the previously-issued client_id and its refresh_token Fix unexpected extreme token usage/quota exhaustion when using Claude Code with claude-opus-4-7[1m] model; users want to understand why small turns consume entire weekly quota Includes evidence for Claude Code troubleshooting demand.
Rapid quota consumption in Claude Code with Opus 4.7 1M context — minutes-scale 90%+ burn from few prompts Understand and fix Claude Code rate limiting behavior where parallel sessions fail immediately despite having fresh 5-hour allowance and remaining within quoted usage limits Includes evidence for Claude Code troubleshooting demand.
Parallel Claude Code sessions started right after 5-hour limit resets — first 3-4 work, the rest fail with "Server is temporarily limiting requests (not your usage limit) · Rate limited" Fix Claude Code TUI becoming unresponsive on startup due to network connection hang (EINPROGRESS) introduced in v2.1.127–v2.1.129 regression Includes evidence for Claude Code troubleshooting demand.
TUI hangs on startup after connect(api.anthropic.com:443) = EINPROGRESS — regression between 2.1.126 (good) and 2.1.129 (bad), Linux Fix OAuth scope routing so Gmail MCP uses correct Gmail OAuth client to grant mail.google.com permissions Includes evidence for Claude Code troubleshooting demand.
built-in Gmail MCP server routes through Google Drive OAuth client instead of Gmail-specific client; Google consent shows Drive scopes only, Gmail calls fail with 403 Forbidden Fix MCP OAuth re-authentication loop caused by DCR being called repeatedly instead of reusing persisted credentials Includes evidence for Claude Code troubleshooting demand.
MCP OAuth: Claude Code re-runs Dynamic Client Registration (POST /oauth/register) on every authenticate, orphaning previously issued client_id and refresh_token; causes forced re-auth loop with self-hosted OAuth servers Fix 401 auth failure in Claude Code caused by OAuth token expiration during long autonomous runs; re-authenticate via /logout then /login Includes evidence for Claude Code troubleshooting demand.
Auth: failed (401) — authentication_error in tool calls after mid-session token expiry Fix MCP server -32000 crash in Claude Code caused by missing dependencies, wrong Node version, or stdout corruption in JSON-RPC transport Includes evidence for Claude Code troubleshooting demand.
Error -32000: Connection closed — MCP server stdio transport crashed during initialization Understand Claude Code auth priority when both API key and subscription exist; prevent unexpected billing by ensuring Max subscription takes priority over API key Includes evidence for Claude Code troubleshooting demand.
Silent ANTHROPIC_API_KEY env var takes precedence over Max subscription auth — users with both set get unexpected API-key billing instead of their included Max quota Fix Claude Code AWS Bedrock authentication refresh mechanism broken in recent versions; restore automatic session token refresh for enterprise Bedrock users Includes evidence for Claude Code troubleshooting demand.
[BUG] Aws Auth Refresh broken on versions >0.92 — user must manually click auth link every session instead of automatic refresh; regression introduced in 0.93+ Debug why Claude Code gateway returns no available models when authentication is provided via apiKeyHelper rather than direct config; silent failure makes troubleshooting difficult Includes evidence for Claude Code troubleshooting demand.
Gateway model discovery silently fails when auth comes from apiKeyHelper — models list appears empty despite valid credentials Fix Claude Code MCP OAuth flow on Windows where the first MCP auth may work but subsequent ones silently fail due to browser not auto-launching; regression identified Includes evidence for Claude Code troubleshooting demand.
[BUG] mcp auth not automatically launching browser on Windows — subsequent MCP integrations (Atlassian, DataDog, Slack) fail because browser auth dialog never opens Fix GitHub MCP authentication failure on Claude Code web (remote/cloud sessions) Includes evidence for Claude Code troubleshooting demand.
HTTP 403 "unauthorized: not authorized to use this Copilot feature" Prevent LangChain from retrying insufficient_quota errors instead of surfacing billing fix prompt to user Includes evidence for LangChain troubleshooting demand.
OpenAI insufficient_quota errors mistaken for rate limits causing unnecessary retries Fix Claude Code failing to persist OAuth tokens for custom MCP connectors across sessions, forcing manual restart via /exit and claude mcp list Includes evidence for Claude Code troubleshooting demand.
[BUG] Custom MCP connector OAuth tokens fail to persist — quarri MCP server requires /exit then claude mcp list workaround Fix Claude Code silently failing when HTTP MCP servers need OAuth auth but haven't been completed — zero feedback that something went wrong Includes evidence for Claude Code troubleshooting demand.
[BUG] HTTP MCP servers requiring OAuth silently fail with no tools shown when user hasn't completed authentication Fix Claude Code MCP OAuth tokens stored correctly but reconnection fails, tools not appearing until manual restart of Claude Code Includes evidence for Claude Code troubleshooting demand.
OAuth Authentication Succeeds but MCP Reconnection Fails — tools remain missing after manual restart required Fix complete model failure in Claude Code where all Anthropic Sonnet models return exit code 1, blocking all AI-assisted coding sessions Includes evidence for Claude Code (Anthropic) troubleshooting demand.
Command failed with exit code 1 for all sonnet models via Claude Code API Provider Fix reasoning/function_call pairing errors when using GPT-5 series models through Cline MCP integration Includes evidence for Cline (Claude Code) troubleshooting demand.
reasoning/function_call pairing error during MCP/tool use on gpt-5.3-codex, gpt-5.4, gpt-5.5