mihnin/stellara-mcp

Overview

MCP server that exposes Swiss Ephemeris astrology tools to AI agents. Provides natal chart, transits, synastry, and birth-place resolution via npm package or remote endpoint. Written in TypeScript.

Best for

Best for
Developers building astrology features into MCP-enabled AI assistants.

Use cases

• Calculate natal chart positions from birth data
• Generate transit aspects for a given date
• Compare two charts for synastry analysis

How to use

Tools exposed

• resolve_birth_place
• calculate_natal_chart
• get_transits_and_aspects
• calculate_synastry
• local_datetime
• birth_datetime
• house_system
• include_minor_aspects
• target_datetime
• STELLARA_API_KEY
• STELLARA_API_BASE_URL
• STELLARA_TIMEOUT_MS
• JWT_SECRET
• MCP_PUBLIC_URL
• OAUTH_ISSUER
• GLAMA_CLAIM_TOKEN

Tested with

Claude Desktop, Claude Code, Cursor, Windsurf, Continue, ChatGPT

Example client config

{\n  "mcpServers": {\n    "stellara": {\n      "command": "npx",\n      "args": ["-y", "stellara-mcp"],\n      "env": {\n        "STELLARA_API_KEY": "sk_stellara_your_key_here"\n      }\n    }\n  }\n}

Notes

MCP server that exposes Swiss Ephemeris astrology tools to AI agents. Provides natal chart, transits, synastry, and birth-place resolution via npm package or remote endpoint. Written in TypeScript.

0 stars on GitHub. Last updated 2026-09-19. Licensed MIT.

Use cases

• Calculate natal chart positions from birth data
• Generate transit aspects for a given date
• Compare two charts for synastry analysis

Pros

• Uses established Swiss Ephemeris library
• Available as npm package or remote MCP server
• TypeScript codebase for type safety

Cons

• No GitHub stars yet, indicating limited adoption
• Requires MCP-compatible client to use
• Niche domain limits general developer appeal

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.