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Draco MCP Server

by thetempleofdoom-draco Your server? Claim it
not responding

Draco is listed as active in the registry but did not answer our last check. It exposes 3 tools. Last commit 2 Oct 2026.

Coding & security oracle grounded in 1855 real books. Cited answers via MCP.

Uptime history 38 days of history · worst day 0%
38 days agonow
0.0%
Uptime 24h
0 of 91 checks
3
Tools
read from the server
134 ms
Response time
average over 24h
0
Stars
last commit 2 Oct 2026

What the code does

We read the source, 3 d ago · tools taken from the live server · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Unsafe deserialization draco_core.py:90
                _idx = pickle.load(f)
Runs an external command ingest.py:35
        r = subprocess.run(["pdftotext", "-q", "-layout", path, out_path], capture_output=True, timeout=300)

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

run in your terminal
claude mcp add draco --transport http https://draco.thetempleofdoom.com/mcp
Settings → Connectors → Add custom connector, then paste this address
https://draco.thetempleofdoom.com/mcp
~/.codex/config.toml
[mcp_servers.draco]
url = "https://draco.thetempleofdoom.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "draco": {
      "url": "https://draco.thetempleofdoom.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "draco": {
      "type": "http",
      "url": "https://draco.thetempleofdoom.com/mcp"
    }
  }
}

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

draco
draco_ask
Ask DRACO a coding or security question. Answers are grounded in hundreds of real programming and hacking books, with [n] citations and source titles.
draco_search
Search DRACO's book library (BM25) for passages matching a topic.
draco_status
DRACO health + library size.

Endpoints

URLTransportStateLatencyChecked
https://draco.thetempleofdoom.com/mcp streamable-http answering 134 ms 12 min ago

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Draco — questions

Answers built from our own checks of this server.

What can Draco do?
It exposes 3 tools, read directly from the server on our last check. Among them: draco_ask, draco_search, draco_status. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Draco working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 91 checks got a reply (0.0%), average response time 134 ms. The bar chart above shows every period we have measured.
The registry lists Draco as active — why does it not respond?
The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.
How do I connect Draco?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Draco need an API key?
No. Draco completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.
Is Draco open source?
We cannot say either way: written in Python, 0 stars on GitHub and 1 open issue, but we could not determine the licence, and without one the code is not open source by default.