Sample dataset for demonstration. Solutions are community-contributed — apply at your own risk and check the verified version.
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Cursor 0.40.x – 0.42.x97
Cursor "MCP server failed to start — spawn npx ENOENT"
$ Error: MCP server failed to start (code -32000): spawn npx ENOENT
MCP / Plugins3148
Claude Code 1.0.6 – 1.0.888
Claude Code authentication: login loop after upgrade
$ Error: authentication required — token refresh failed (invalid_grant)
Auth / Login2128
Codex cli 0.8 – 0.981
Codex: context_length_exceeded (max 200000 tokens)
$ BadRequestError: context_length_exceeded — requested 214530 tokens, max 200000
Model / API2101
Windsurf recent78
Windsurf: "Cascade has encountered an internal error in this step"
$ Error: Cascade has encountered an internal error in this step. No credits consumed on this tool call.
Model / API271
Windsurf 1.4.0 – 1.4.274
Windsurf Cascade stuck: high CPU, editor unresponsive
$ Cascade: worker timed out after 30000ms
Performance276
Claude Code 1.0.x72
Claude Code: "claude: command not found" after npm install -g
$ claude: command not found
Install291
Cursor recent71
Cursor: first prompt works, then every prompt silently fails
$ (no error shown) — the response never returns after the first successful prompt
Model / API253
Continue 0.8.x69
Continue: model not responding / request hangs forever
$ FetchError: socket hang up (local model)
Model / API265
Codex cli (recent)66
Codex CLI: 401 Unauthorized
$ Error: 401 Unauthorized
Auth / Login253
Cursor 0.41.x64
Cursor "failed to apply edit — diff did not match"
$ Error: failed to apply edit, hunk @@ -12,7 +12,9 @@ failed
Config257
Cursor recent62
MCP: "Client Closed" / server disconnected right after start
$ MCP error: Client Closed (server process exited immediately)
MCP / Plugins257
Claude Code 1.0.x61
Claude Code: npm EACCES permission denied on global install
$ npm error code EACCES — Error: EACCES: permission denied, mkdir '/usr/local/lib/node_modules'
Install276
Cursor 0.42.x58
Cursor "rate limit exceeded — too many requests (429)"
$ Error 429: rate limit exceeded — too many requests
Billing / Quota250
Cursor recent56
Cursor: "You've reached your usage limit"
$ You've reached your usage limit. Switch model, upgrade your plan, or enable usage-based pricing.
Billing / Quota241
Cursor 0.42.x53
Cursor codebase indexing stuck at 0% on large monorepo
$ Indexing: 0% (stalled)
Context / Index258
Windsurf recent53
Windsurf refuses to log in (VPN / network blocks auth)
$ Login failed / the editor returns to the sign-in screen without authenticating
Auth / Login254
Windsurf recent50
Windsurf freezes with "Internal Network Error" on Windows
$ Internal Network Error (editor freezes during generation)
Performance234
Claude Code 1.0.x49
Claude Code: install fails on WSL (npm OS mismatch)
$ npm error notsup Unsupported platform — wanted {"os":"linux"} (current: {"os":"win32"})
Install263
Cursor recent48
Cursor: "Connection failed" / network error on Windows 11
$ Connection failed. If the problem persists, please check your internet connection or VPN.
Config239
Claude Code 1.0.7 – 1.0.947
Claude Code: permission denied writing to .claude/ on Windows
$ EPERM: operation not permitted, open 'C:\Users\...\.claude\config.json'
Install247
Codex cli (recent)47
Codex CLI: response.failed / stream error mid-task
$ stream error: received response.failed event
Model / API237
Claude Code 1.0.x45
Claude Code: "'claude' is not recognized" on Windows
$ 'claude' is not recognized as an internal or external command, operable program or batch file.
Install241
Claude Code 1.0.8 – 1.0.944
Claude Code: MCP tool call failed (timeout)
$ MCP tool call failed: request timed out after 60000ms
MCP / Plugins237
Continue 0.8.x – recent43
Continue: "Could not load config.json"
$ Error: Could not load config.json
Config242
Codex cli 0.940
Codex: sandbox permission error running shell command
$ Error: command blocked by sandbox policy (write outside workspace)
Config240
Claude Code 1.0.x39
Claude Code: login/network error behind proxy (self-signed cert)
$ Error: unable to get local issuer certificate / network request failed during login
Auth / Login236
Cursor 0.42.x37
Cursor: model selection grayed out / unavailable
$ Model unavailable for your plan or region
Config229
Continue recent36
Continue: model not working due to wrong `provider` field
$ Model fails to respond / provider not recognized in config.json
Config122
Windsurf 1.4.135
Windsurf plugin marketplace install failed behind proxy
$ Failed to install extension: ETIMEDOUT (proxy)
MCP / Plugins122
Continue 0.8.x31
Continue: RAG indexing error (embeddings provider)
$ Error: embeddings provider returned 401 during @codebase indexing
Context / Index124