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mcp/harbor
Verified official

Astraluno MCP

v1.0.0

com.astraluno/astraluno

Birth charts, Big Three and sky events with explicit uncertainty. Free; birth data never stored.

transport:streamable-http tools:9
Website

Target client

run in your project directory 

claude mcp add --transport http astraluno https://astraluno.com/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

search_birthplace Read-only

search birthplace

get_big_three Read-only

get big three

calculate_birth_chart

calculate birth chart

get_sun_sign Read-only

get sun sign

get_planet_positions Read-only

get planet positions

get_retrograde_periods Read-only

get retrograde periods

get_moon_phases Read-only

get moon phases

get_sign_ingresses Read-only

get sign ingresses

get_placement_meaning Read-only

get placement meaning

All 9 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.