Sample dataset for demonstration. Solutions are community-contributed — apply at your own risk and check the verified version.

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paste-error — zsh⌘K
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