D
Deadends Dev MCP Server
@smithery/cli
Structured failure knowledge for AI agents — dead ends, workarounds, error chains
No known CVEs
MIT license
Actively maintained
Last commit 1d ago
Works with most clients
Transport: stdio, sse, http
11 tools · ~328 tok
Grade A · 0.2% of 200K ctx
MCPpedia last refreshed this data
Deadends Dev MCP Server is an MCP server that structured failure knowledge for AI agents — dead ends, workarounds, error chains. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 91/100 on MCPpedia's security, maintenance and efficiency rubric.
Step 1
Install in your client
Config is the same across clients — only the file and path differ.
CD
Supported in Claude Desktopstdio, sse, http · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"deadend": {
"cwd": "/path/to/deadends.dev",
"args": [
"-m",
"mcp.server"
],
"command": "python"
}
}
}Are you the author?
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What Deadends Dev MCP Server does
Stop AI agents from repeating known failures — in code AND in the real world.
Test This Server
Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
npx -y '@smithery/cli' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Scored, not listed
Why this score
Five weighted categories — click any category to see the underlying evidence.
Score breakdown
91/100across 5 weighted dimensions
0255075100
30
16
20
15
10
−9
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.devNo known CVEs.
Checked @smithery/cli against OSV.dev.
Inventory
Tools (11)
Click any tool to inspect its schema.
~328 tokens total
Community
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Frequently Asked Questions
- Is Deadends Dev MCP Server safe to use?
- Deadends Dev MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.
- How do I install Deadends Dev MCP Server?
- Deadends Dev MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
- What can Deadends Dev MCP Server do?
- Deadends Dev MCP Server provides 11 tools: lookup_error, get_error_detail, list_error_domains, search_errors, list_errors_by_domain and 6 more. See the full tools list on the server page for descriptions and parameters.
- What AI clients work with Deadends Dev MCP Server?
- Deadends Dev MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
- Is Deadends Dev MCP Server actively maintained?
- Deadends Dev MCP Server is actively maintained — last commit was 1 day ago.
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Community
Discussion
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