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Fix Claude Code failing to connect to custom OAuth MCP servers that don't support DCR, with no error message shown Includes evidence for Claude Code troubleshooting demand.
HTTP OAuth MCP servers silently fail without error when provider doesn't support Dynamic Client Registration (DCR) Fix OAuth authentication failure where transient server errors cause permanent credential corruption preventing Claude Code login Includes evidence for Claude Code troubleshooting demand.
OAuth refresh corrupts credentials state during transient upstream 5xx, causing persistent 401 authentication loop across sessions Fix resource leak in langchain-openrouter where each model instantiation creates unclosed httpx connections, especially problematic with FastAPI dependency injection and LangGraph factory graphs Includes evidence for LangChain troubleshooting demand.
ChatOpenRouter.__init__ creates brand-new httpx.Client/AsyncClient per instance with no caching; under per-request instantiation patterns this leaks TLS keep-alive sockets and pool state to openrouter.ai Developer needs to understand extended-thinking behavior, how long it can take, and how to control/interrupt it when debugging complex code. Includes evidence for Claude Code troubleshooting demand.
Claude Code enters extended-thinking pass and hangs for 20+ minutes with no progress indicator, leaving developers stranded without knowing whether it is computing or frozen. Fix frequent Anthropic overloaded errors (529) experienced by paying $100/month Claude Max subscribers causing unusable sessions during peak load Includes evidence for Claude Code troubleshooting demand.
API Error: overloaded_error (529) on Claude Max plan Resolve Meta Ads MCP server OAuth configuration error preventing Claude Code from authenticating with Facebook/Meta advertising APIs Includes evidence for Claude Code troubleshooting demand.
Meta MCP OAuth fails: redirect_uris are not registered for this client Understand why Claude Code Pro/Max users hit rate limits before expected token usage threshold, blocking further requests until reset Includes evidence for Claude Code troubleshooting demand.
API Error: Rate limit reached — rate limit consumed disproportionately to token usage Resolve OAuth 2.1 authentication infinite loop preventing custom MCP server connections in Claude Code web and desktop interfaces Includes evidence for Claude Code troubleshooting demand.
OAuth flow never initiates — opens about:blank page and immediately prompts to reopen Claude Desktop, creating an infinite loop Find working OAuth configuration method for connecting Claude Code to GitHub's remote MCP server as alternative to broken Dynamic Client Registration Includes evidence for Claude Code troubleshooting demand.
The GitHub remote MCP does not support Dynamic Client Registration at the moment so example command will not work Fix GitHub MCP server OAuth authentication redirecting to wrong identity provider in Claude Code web interface Includes evidence for Claude Code troubleshooting demand.
Authorization URL redirects to Google Drive MCP install page instead of GitHub OAuth consent screen in claude.ai/code web sessions Compaction activates prematurely at 6% instead of near 90%, severely degrading effective context window for 1M-capable models — need to understand if this is expected behavior or a bug and how to adjust threshold Includes evidence for Claude Code troubleshooting demand.
Auto-compaction triggers at ~6% context usage on Opus 4.6 (1M context) User charged €80+ unexpectedly because claude -p headless mode model gave false confirmation prompts that silently executed expensive operations without proper user consent Includes evidence for Claude Code troubleshooting demand.
headless sessions billing misrepresented by model — repeated false confirmations led to €80+ unexpected charges Fix unexpected billing error on Max plan where standard 400k context is incorrectly flagged as needing extra usage credits beyond included allowance Includes evidence for Claude Code troubleshooting demand.
Usage credits required for long context requests Subagent execution fails due to prompt exceeding token limit when multiple MCP server tool definitions fill context space — need guidance on managing MCP configs or reducing prompt size Includes evidence for Claude Code troubleshooting demand.
Subagents fail with 'prompt is too long' when user has many MCP servers (tool definitions exceed 200k) Resolve false positive usage limit blocking requests when user still has available weekly and hourly rate limit quota Includes evidence for Claude Code troubleshooting demand.
False Usage Limit and Request blocked Developer using Claude Code with custom MCP tools experiences infinite hangs because server-level timeouts don't apply to individual tool invocations Includes evidence for Claude Code troubleshooting demand.
MCP per-server timeout not enforced on individual tool calls (stdio hangs indefinitely) User pays for Claude Pro plan but usage quota fills up overnight with no active sessions, losing access unexpectedly Includes evidence for Claude Code troubleshooting demand.
Current session limit already at 100% despite no activity; Usage limit reached message while limits far from being reached Paid Claude Code Max subscriber unable to launch remote sessions despite confirmed subscription and correct auth Includes evidence for Claude Code troubleshooting demand.
Remote session create failed: Request failed with status code 403 Fix OAuth 2.1 connection failure for custom MCP servers in Claude Code; resolve infinite restart loop during authentication flow Includes evidence for Claude Code troubleshooting demand.
Custom MCP server with OAuth 2.1 authentication fails to connect in Claude Code/Claude Desktop — OAuth flow opens about:blank page and creates infinite restart loop instead of initiating auth prompt Developer using LangChain with DeepSeek models encounters 400 Bad Request in multi-turn agent conversations due to missing reasoning_content field Includes evidence for LangChain troubleshooting demand.
deepseek:_get_request_payload missing reasoning_content causes HTTP 400 in multi-turn agent conversations