Almanac MCP Server

by savecharlie Your server? Claim it

local only

Almanac runs on your own machine — the client starts it, so there is no endpoint to ping. 332 installs a week from pypi. Last commit 12 Sep 2026.

Verified ephemeris & WMM2025 geomagnetic compute: the physical numbers LLMs hallucinate, done right.

Installs per day peak 79 · avg 34 · +48% w/w

a month agotoday

332

Installs / week

pypi · almanac-compute

Stars

2 open issues

12 Sep 2026

Last commit

from GitHub

MIT

License

Python

Nothing serious here today

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

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.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add almanac -- uvx almanac-compute

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "almanac": {
      "command": "uvx",
      "args": [
        "almanac-compute"
      ]
    }
  }
}

~/.codex/config.toml

[mcp_servers.almanac]
command = "uvx"
args = ["almanac-compute"]

.cursor/mcp.json

{
  "mcpServers": {
    "almanac": {
      "command": "uvx",
      "args": [
        "almanac-compute"
      ]
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "almanac": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "almanac-compute"
      ]
    }
  }
}

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Almanac — questions

Answers built from our own checks of this server.

Why is there no uptime for Almanac?

Almanac 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 almanac-compute was installed 332 times last week.

How do I connect Almanac?

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 runs locally, so the command pulls almanac-compute straight from pypi; nothing to host, nothing to sign up for.

How many people use Almanac?

The pypi package almanac-compute was installed 332 times in the last week. Week over week that is +48%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Almanac open source?

Yes — it is published under the MIT licence, written in Python, 0 stars on GitHub and 2 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.