Every trap, with the date it was last checked.
Paste an error message to find the trap behind it, or filter by tool.
514 traps
- fg-0496OpenAI CodexVerified Oct 2026Codex drops later AGENTS.md instructions once project guidance passes 32 KiB
Rules from the AGENTS.md closest to the working directory are missing
verified 2026-10-15 · 0 confirmations
- fg-0495OpenAI CodexVerified Oct 2026Codex does not read the repo's CLAUDE.md or other existing instruction files
Codex ignores rules that Claude Code follows from CLAUDE.md
verified 2026-10-15 · 0 confirmations
- fg-0494Claude CodeVerified Oct 2026Read deny rule like Read(/private/**) in user settings does not protect that absolute path
Claude still reads files under the absolute path named in a deny rule
verified 2026-10-15 · 0 confirmations
- fg-0493Claude CodeVerified Oct 2026Plugin skills, commands, or hooks are missing because they sit inside .claude-plugin/
The plugin installs and is enabled, but its skills and commands do not appear
verified 2026-10-15 · 0 confirmations
- fg-0492Claude CodeVerified Oct 2026Plugin hooks never fire because hooks.json lacks the top-level "hooks" key
Plugin is enabled but none of its hooks run
verified 2026-10-15 · 0 confirmations
- fg-0491Claude CodeVerified Oct 2026Plugin hook fails with 'No such file or directory' when the install path contains a space
/bin/sh: /Users/Jane: No such file or directory
verified 2026-10-15 · 0 confirmations
- fg-0490Claude CodeVerified Oct 2026Permission rules on Write(path), Glob(path), or a .claudeignore file are accepted but never enforced
Claude writes into a folder covered by a Write(docs/**) deny rule
verified 2026-10-15 · 0 confirmations
- fg-0489Claude CodeVerified Oct 2026.mcp.json servers stay 'Pending approval' and enableAllProjectMcpServers in the repo is ignored
claude mcp list shows the project server as Pending approval (run claude to approve)
verified 2026-10-15 · 0 confirmations
- fg-0488Claude CodeVerified Oct 2026Exit code 2 from a PermissionRequest hook does not deny the permission
The permission flow continues unchanged after the hook exits 2
verified 2026-10-15 · 0 confirmations
- fg-0487Claude CodeVerified Oct 2026claude -p --output-format stream-json exits with 'requires --verbose'
Error: When using --print, --output-format=stream-json requires --verbose
verified 2026-10-15 · 0 confirmations
- fg-0486Claude CodeVerified Oct 2026claude -p in a freshly cloned repo runs its hooks and .mcp.json servers without asking
Hook commands from the repo's .claude/settings.json run in CI
verified 2026-10-15 · 0 confirmations
- fg-0485Claude CodeVerified Oct 2026CLAUDE.md @import of a path that contains a space silently loads nothing
Instructions in the imported file are ignored with no warning
verified 2026-10-15 · 0 confirmations
- fg-0484Claude CodeVerified Oct 2026claude mcp add treats the MCP server's own flags as Claude Code options
error: unknown option '--port'
verified 2026-10-15 · 0 confirmations
- fg-0483Claude CodeVerified Oct 2026Claude Code PreToolUse hook exits 1 but the tool call runs anyway
PreToolUse:Bash hook error notice with 'Failed with non-blocking status code:' and the command still runs
verified 2026-10-15 · 0 confirmations
- fg-0482Claude CodeVerified Oct 2026Claude Code ignores AGENTS.md when the repository also has a CLAUDE.md
Rules written in AGENTS.md are not followed while CLAUDE.md rules are
verified 2026-10-15 · 0 confirmations
- fg-0481Claude CodeVerified Oct 2026Claude Code auto memory forgets entries once MEMORY.md passes 200 lines or 25KB
Facts saved to auto memory are unknown in a new session
verified 2026-10-15 · 0 confirmations
- fg-0480Claude CodeVerified Oct 2026claude --bare -p fails to authenticate although the normal session is signed in with Pro or Max
A --bare run fails on authentication while the same command without --bare works
verified 2026-10-15 · 0 confirmations
- fg-0479Anthropic APIVerified Oct 2026tool_choice type "tool" or "any" returns 400 on Claude Opus 5.5, Sonnet 5.5, and Fable 5.1
tool_choice: type "tool" and "any" are not supported for this model.
verified 2026-10-15 · 0 confirmations
- fg-0478Anthropic APIVerified Oct 2026temperature or top_p returns 400, or a TypeError in the Python SDK, on Claude Opus 4.7 and later
400 invalid_request_error naming temperature, top_p, or top_k
verified 2026-10-15 · 0 confirmations
- fg-0477Anthropic APIVerified Oct 2026Structured outputs return 400 'Schema is too complex for compilation' or 'compiled grammar is too large'
The compiled grammar is too large, which would cause performance issues. Simplify your tool schemas or reduce the number of strict tools.
verified 2026-10-15 · 0 confirmations
- fg-0476Anthropic APIVerified Oct 2026SDK throws 'Streaming is required for operations that may take longer than 10 minutes' before sending
Streaming is required for operations that may take longer than 10 minutes. See https://github.com/anthropics/anthropic-sdk-typescript#long-requests for more details
verified 2026-10-15 · 0 confirmations
- fg-0475Anthropic APIVerified Oct 2026Prompt caching silently does nothing: cache_creation_input_tokens and cache_read_input_tokens stay 0
usage.cache_creation_input_tokens: 0 and usage.cache_read_input_tokens: 0 on every call
verified 2026-10-15 · 0 confirmations
- fg-0474Anthropic APIVerified Oct 2026Prompt cache misses after changing tool_choice, images, effort, or thinking settings between calls
cache_read_input_tokens drops to 0 on a turn where only tool_choice changed
verified 2026-10-15 · 0 confirmations
- fg-0473Anthropic APIVerified Oct 2026Message Batches results come back in a different order than the requests were submitted
Answers are attached to the wrong input rows
verified 2026-10-15 · 0 confirmations