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MANNA MCP Server

by nsf-simons-cosmicai-institute Your server? Claim it
local only

MANNA runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 16 Sep 2026.

MCP server for IVOA astronomical archives: NOIRLab Astro Data Lab, NRAO/ALMA, CADC, ESO, Gaia

Installs / week
pypi · manna-mcp
2
Stars
0 open issues
16 Sep 2026
Last commit
no recent releases
MIT
License
Python

Nothing serious here today

Today is the operative word: we check MANNA every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add manna -- uvx manna-mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "manna": {
      "args": [
        "manna-mcp"
      ],
      "command": "uvx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.manna]
command = "uvx"
args = ["manna-mcp"]
.cursor/mcp.json
{
  "mcpServers": {
    "manna": {
      "args": [
        "manna-mcp"
      ],
      "command": "uvx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "manna": {
      "args": [
        "manna-mcp"
      ],
      "command": "uvx"
    }
  }
}

This one needs environment variables set before it will start: MANNA_ARCHIVES (Comma-separated archive short_names to activate (e.g. 'datalab,alma'). Unset means all.), MANNA_ALLOWED_HOSTS (Comma-separated hostnames the server may fetch. Unset means any public host.), MANNA_LOG_LEVEL (Logging verbosity.), MANNA_INLINE_ROW_LIMIT (Max rows returned inline before a result is promoted to an async job or truncated.). The author declared them in the registry entry; get the values from the project itself.

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MANNA — questions

Answers built from our own checks of this server.

Why is there no uptime for MANNA?
MANNA runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the pypi package manna-mcp.
How do I connect MANNA?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls manna-mcp straight from pypi; nothing to host, nothing to sign up for.
Is MANNA open source?
Yes — it is published under the MIT licence, written in Python and 2 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.