Structured failure knowledge for AI agents — dead ends, workarounds, error chains
Install
Run one of the commands below, then add the client config underneath.
uvx deadends-devhttps://deadends.dev/mcpClient configuration
Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.
{
"mcpServers": {
"deadends-dev": {
"command": "uvx",
"args": [
"deadends-dev"
]
}
}
}About this server
deadends.dev is listed in the AI Agents category of the MCPNav directory. It is distributed as Python, Streamable HTTP and can be loaded by any client that speaks the Model Context Protocol.
Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.
Frequently asked questions
What is the deadends.dev MCP server?＋
deadends.dev is an MCP server by deadends. Structured failure knowledge for AI agents — dead ends, workarounds, error chains
How do I install deadends.dev?＋
Install it with: uvx deadends-dev. Then add the JSON config to your client's MCP settings and restart the client.
Is deadends.dev free to use?＋
The MCP server itself is free to install. The source is public on https://github.com/dbwls99706/deadends.dev. Any third-party API it calls (such as a search or maps API) may require its own key and billing.
Which clients support deadends.dev?＋
Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.