deadends.dev MCP Server
by dbwls99706dev.deadends/deadends-devv0.9.0
Known dead ends for code errors and country-specific rules (visa, banking, legal): fixes that look right but fail, and workarounds with success rates.
context tax
queued
security
queued
cold start
queued
freshness
Active5d ago
Install deadends.dev MCP server
Install in Claude Code
claude mcp add deadends-dev -- uvx deadends-devInstall in Cursor
{
"mcpServers": {
"deadends-dev": {
"command": "uvx",
"args": [
"deadends-dev"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"deadends-dev": {
"command": "uvx",
"args": [
"deadends-dev"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"deadends-dev": {
"type": "stdio",
"command": "uvx",
"args": [
"deadends-dev"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"deadends-dev": {
"command": "uvx",
"args": [
"deadends-dev"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Remote endpoints
- streamable-http
https://deadends.dev/mcp
Freshness
Active — last maintenance signal 5d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-10-05 · 5d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-08-13 · 58d ago · official registry · v0.9.0
FAQ
›How do I install the deadends.dev MCP server in Claude Code?
Run: claude mcp add deadends-dev -- uvx deadends-dev. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does deadends.dev require an API key?
No required environment variables are declared in its published metadata.
›Can I use deadends.dev as a remote (hosted) MCP server?
Yes — it offers both a hosted endpoint and a local stdio package.
›Is deadends.dev in the official MCP registry?
Yes, as dev.deadends/deadends-dev.
Alternatives to deadends.dev
Other notes & knowledge MCP servers.