almanac
Verified ephemeris & WMM2025 geomagnetic compute: the physical numbers LLMs hallucinate, done right.
Install
PyPIstdio
uvx almanac-compute Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-savecharlie-almanac": {
"command": "uvx",
"args": [
"almanac-compute"
]
}
}
}Source: official MCP Registry record · registry name io.github.savecharlie/almanac · published 2026-09-12 · updated 2026-09-12. Not an endorsement; review the code before connecting it to anything sensitive.