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AI Coding Tools Claude Code Updated May 22, 2026
Fix Claude Code requiring manual MCP server re-authentication after every session restart, even when OAuth tokens are confirmed present in macOS Keychain Includes evidence for Claude Code troubleshooting demand.
! Needs authentication — MCP OAuth token saved in Keychain (Codex MCP Credentials) but not read at startup; runtime stamps mcp-needs-auth-cache.json despite valid keychain entry AI Coding Tools Claude Code Updated May 22, 2026
Fix Claude Code OAuth session rejection causing repeated 401 errors and forced re-login loops even before local token expiry Includes evidence for Claude Code troubleshooting demand.
API Error: 401 Invalid authentication credentials — OAuth POST https://platform.claude.com/v1/oauth/token returns HTTP 400 during refresh after early server-side revocation, repeated /login prompts every few hours AI Coding Tools Claude Code Updated May 22, 2026
Fix Claude Code 401 auth failure that occurs mid-autonomous-run when OAuth token expires, causing every subsequent tool call to fail until re-login Includes evidence for Claude Code troubleshooting demand.
authentication_error (401) mid-session autonomous run AI Coding Tools Claude Code Updated May 22, 2026
Debug and fix Claude Code MCP -32000 generic server error where MCP server process crashed during initialization or exited mid-handshake Includes evidence for Claude Code troubleshooting demand.
Connection closed. (Picking well-maintained servers avoids a lot of this.) MCP -32000 AI Coding Tools Claude Code Updated May 22, 2026
Fix MCP server reconnection failure after OAuth authentication succeeds in Claude Code using streamable-http transport Includes evidence for Claude Code troubleshooting demand.
Authentication successful, but server reconnection failed AI Coding Tools Claude Code Updated May 22, 2026
Developers experience Claude Code sessions abruptly stopping mid-task and requiring manual restart. Want to classify root causes systematically from logs to prevent recurrence Includes evidence for Claude Code troubleshooting demand.
Claude Code session stopped/resumed requirement — root cause classification from logs AI Coding Tools Kiro (Claude Code) Updated May 22, 2026
User gets 429 rate-limit error when using Kiro/Claude Code for normal CSV data analysis; wants to know why they're flagged as suspicious and how to regain access Includes evidence for Kiro (Claude Code) troubleshooting demand.
429 Temporary suspicious activity rate limit restriction AI Coding Tools Claude Code Updated May 22, 2026
Fix extremely slow GitHub OAuth authentication flow in Claude Code MCP server; user spends hours with no feedback when auth fails. Includes evidence for Claude Code troubleshooting demand.
GitHub MCP Server: 2 hours to fail authentication; no progress indicator during auth process AI Coding Tools Claude Code Updated May 22, 2026
Fix silent failure when adding HTTP OAuth MCP servers that don't support DCR; Claude Code gives no error, tools never load into session. Includes evidence for Claude Code troubleshooting demand.
Incompatible auth server: does not support dynamic client registration (DCR); silent failure with no error message AI Coding Tools Cline CLI Updated May 22, 2026
Developer using Cline CLI with LiteLLM-compatible corporate proxy gets 404 errors because CLI uses wrong API endpoint; VS Code extension works fine but CLI does not Includes evidence for Cline CLI troubleshooting demand.
litellm provider hardcodes protocol:"openai-responses" causing requests to go to /v1/responses instead of /v1/chat/completions; many LiteLLM-compatible proxies implement only /chat/completions resulting in 404 Not Found AI Coding Tools Claude Code Updated May 22, 2026
Fix Chrome MCP extension returning empty browser list after idle period — misleading error message when extension IS installed Includes evidence for Claude Code troubleshooting demand.
Browser extension is not connected. Please ensure the Claude browser extension is installed and running AI Coding Tools Claude Code Updated May 22, 2026
Fix persistent ConnectionRefused error when using Claude Code CLI on Linux after uninstall/reinstall — works on other machines Includes evidence for Claude Code troubleshooting demand.
Unable to connect to API (ConnectionRefused) for 10 times (takes 3m) and then fails with an error AI Coding Tools Claude Code Updated May 22, 2026
Fix unexpected subscription downgrade to Free mid-cycle causing double charge and loss of paid access Includes evidence for Claude Code troubleshooting demand.
Plan silently reverted to Free despite active paid subscription; double charged for overlapping billing period AI Coding Tools Claude Code Updated May 22, 2026
Resolve network connectivity error that completely blocks paid Claude Code users from accessing AI features Includes evidence for Claude Code troubleshooting demand.
ConnectionRefused issue. Can't use AI at all on a PAID plan AI Coding Tools Claude Code Updated May 22, 2026
Fix Microsoft 365 MCP integration that stopped working in recent Claude Code release Includes evidence for Claude Code troubleshooting demand.
MCP connector to M365 Not Working AI Coding Tools Claude Code Updated May 21, 2026
Fix Claude Code authentication routing so Max plan users are billed under their personal subscription, not an Organization API key Includes evidence for Claude Code troubleshooting demand.
Claude Code OAuth authenticates successfully but binds to Organization's API billing instead of personal Max subscription; /status shows 'API Usage Billing' instead of 'Max Plan' AI Coding Tools Claude Code Updated May 21, 2026
Understand why usage spikes right after rate limit reset and how to avoid being unexpectedly throttled despite hitting reset Includes evidence for Claude Code troubleshooting demand.
Rate limit reset calculation incorrect — usage spike detected immediately after rate limit resets, suggesting burst behavior or race condition in token accounting AI Coding Tools Claude Code Updated May 21, 2026
Prevent ultraReview from consuming free quota credits when run fails mid-pipeline and ensure failed runs report a distinct error status instead of falsely reporting completed+[] Includes evidence for Claude Code troubleshooting demand.
/ultrareview fails at Verify stage (Review failed), Dedupe never starts, yet both failed runs count against free quota (3 free runs); completion reports status: completed with empty findings array [] making failures indistinguishable from clean reviews AI Coding Tools Claude Code Updated May 21, 2026
Resolve spurious session limit errors on Pro plan where user has not exceeded any visible usage thresholds Includes evidence for Claude Code troubleshooting demand.
You've hit your session limit · resets at scheduled time — Pro plan user unable to continue working despite not actively using the service AI Coding Tools Claude Code Updated May 21, 2026
Fix intermittent MCP write hangs that block Claude Code Desktop editing operations; reads work fine but writes fail. Hypothesis: npx re-resolving package each stdio handshake causes race condition with Claude Desktop startup window. Includes evidence for Claude Code troubleshooting demand.
edit_file hangs for 4 minutes, then times out with 'unresponsive' — only when Filesystem MCP configured via command: npx args: [-y, @modelcontextprotocol/server-filesystem]