@dbwls99706
Basic information
Structured failure knowledge infrastructure for AI agents — dead ends, workarounds, and error transition graphs.
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"deadend": {
"command": "npx",
"args": [
"-y",
"@smithery/cli@latest",
"run",
"deadend/deadends-dev"
]
}
}
}Tool list not available yet
This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.
Fetch the live tool list by running this server in a temporary sandbox using the button above.
deadends.dev is a deterministic, country-scoped knowledge base that stops AI agents from repeating known failures in code and the real world. It covers 2,089 code error entries across 51 domains and 250+ country-scoped dead ends across 52 countries, including visa rules, legal red lines, cultural taboos, and emergency numbers.
Install via pip (pip install deadends-dev) and run deadends "error message" from the command line. Alternatively, integrate as an MCP server for Claude Desktop, Cursor, or Antigravity (remote HTTP) via configuration files or Smithery. Use the Python SDK with lookup, batch_lookup, and search functions for programmatic access.
lookup_error, get_error_detail, batch_lookup, etc.ModuleNotFoundError)It is deterministic (same query, same answer, no hallucination), country-scoped (ID format includes country code), primary-sourced, community-validated, and sub-millisecond local matching.
Run `pip install deadends-dev` then `deadends "error message"` on the command line. For MCP integration, add the server config to `~/.claude/claude_desktop_config.json` or install via Smithery.
Not all errors are covered; missing cases can be added via issues/PRs or `report_outcome`. The system prioritizes practical workarounds over deep explanations. High-risk changes should be cross-verified with official documentation.
Ensure you are using only one mode (local or remote), check that `cwd` in the config points to the actual path, test the local server directly, and if using Smithery, reinstall the server. Restart Claude Desktop afterwards.
Endpoints include `/api/v1/match.json`, `/api/v1/index.json`, per-country JSON, stats, NDJSON streaming, and OpenAPI 3.1 spec. All are accessible via the public API at `deadends.dev`.
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