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Astrology MCP Server

The RoxyAPI Astrology MCP server gives any AI agent natal charts, horoscopes, synastry, transits, Vedic kundli, panchang, tarot, numerology and 18+ insight domains on one key, as hosted Remote MCP with nothing to install. RoxyAPI is the data layer for insight apps.

https://roxyapi.com/mcp/astrology

Point an MCP client at that URL, send your key in the X-API-Key header, and the agent can call 258+ tools across every RoxyAPI domain. Calculations read the NASA JPL DE440 ephemeris directly and are verified against NASA JPL Horizons. Get a key at roxyapi.com/pricing.

How do I connect an AI agent to the astrology MCP server?

Use the hosted Remote MCP URL over Streamable HTTP. Every domain has its own server at https://roxyapi.com/mcp/{domain}, so an agent loads only the tools it needs. Add location beside any chart domain so the agent can turn a city name into coordinates and a timezone by itself.

export ROXY_API_KEY="your-key-from-roxyapi.com/account?tab=keys"

Claude Code

claude mcp add --transport http --scope user roxy-astrology \
  https://roxyapi.com/mcp/astrology --header "X-API-Key: $ROXY_API_KEY"

Writing integration code rather than calling tools at run time? Point Claude Code at the documentation server instead: claude mcp add --transport http roxy-docs https://roxyapi.com/mcp/docs.

Claude Desktop

Claude Desktop starts local servers from claude_desktop_config.json, so use the stdio package below, or download astrology-mcp-server.mcpb, double-click it to install, and paste your key when asked.

{
  "mcpServers": {
    "roxy-astrology": {
      "command": "npx",
      "args": ["-y", "@roxyapi/mcp"],
      "env": { "ROXY_API_KEY": "your-key" }
    }
  }
}

ChatGPT (Responses API)

import OpenAI from 'openai';

const openai = new OpenAI();
const response = await openai.responses.create({
  model: 'gpt-4o',
  tools: [
    {
      type: 'mcp',
      server_label: 'roxy_astrology',
      server_url: 'https://roxyapi.com/mcp/astrology',
      authorization: process.env.ROXY_API_KEY,
      require_approval: 'never',
    },
  ],
  input: 'What is the Sun sign for someone born 1990-05-12 at 14:30 in New York?',
});

Cursor

~/.cursor/mcp.json:

{
  "mcpServers": {
    "roxy-astrology": {
      "url": "https://roxyapi.com/mcp/astrology",
      "headers": { "X-API-Key": "${env:ROXY_API_KEY}" }
    }
  }
}

Codex

~/.codex/config.toml:

[mcp_servers.roxy-astrology]
url = "https://roxyapi.com/mcp/astrology"
env_http_headers = { "X-API-Key" = "ROXY_API_KEY" }

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1. Add an AI Agent node and connect an MCP Client Tool node to its Tools input.
2. Endpoint https://roxyapi.com/mcp/astrology, Server Transport HTTP Streamable.
3. Authentication Header Auth, name X-API-Key, value your key.

Add one MCP Client Tool node per domain. Use a secret key: publishable pk_ keys are refused on the MCP servers.

Local stdio server

For clients that only start local servers over stdio. The package relays to the same hosted servers, so the tools, the answers and the billing are identical to Remote MCP.

ROXY_API_KEY=your-key npx -y @roxyapi/mcp

Variable	Default	Meaning
ROXY_API_KEY	none	Your RoxyAPI key
ROXY_MCP_DOMAINS	astrology	Comma separated domains to load, for example astrology,vedic-astrology,location

A container image builds from the Dockerfile in this repository: docker build -t astrology-mcp-server . then docker run -i --rm -e ROXY_API_KEY astrology-mcp-server.

Which domains does it cover?

One key reaches every domain. Each slug is a Remote MCP server at https://roxyapi.com/mcp/{slug} and a valid ROXY_MCP_DOMAINS value.

Domain	Slug	Tools
Western Astrology	astrology	39
Vedic Astrology	vedic-astrology	58
Forecast	forecast	5
Human Design	human-design	12
Chinese Astrology	chinese-astrology	16
Feng Shui	feng-shui	11
Mesoamerican Astrology	mesoamerican-astrology	18
Vastu	vastu	10
Numerology	numerology	20
Kabbalah	kabbalah	12
Tarot	tarot	10
Biorhythm	biorhythm	6
Ayurveda	ayurveda	8
I-Ching	iching	9
Crystals and Healing Stones	crystals	12
Dreams	dreams	5
Angel Numbers	angel-numbers	4
Location and Timezone	location	3

What can the astrology tools do?

The Western astrology server covers natal charts, daily, weekly, monthly and yearly horoscopes, synastry, composite charts and compatibility scores, transits, progressions, solar arc, profections, solar, lunar and planetary returns, astrocartography, aspects, houses, fixed stars, asteroids and moon phases. The Vedic server adds the kundli birth chart, divisional charts, panchang, Vimshottari dasha from mahadasha down to sookshma, doshas, yogas, shadbala, ashtakavarga, KP astrology and kundli matching. Every tool carries a typed input schema, so the agent fills arguments correctly on the first call.

How accurate are the calculations?

Planetary positions read the NASA JPL DE440 ephemeris directly and are verified against NASA JPL Horizons. The method and the test suite are published at roxyapi.com/methodology.

Do I need to install anything?

No. Remote MCP is the default: paste the URL and your key into any client that speaks Streamable HTTP. The npm package exists only for clients that start local stdio servers.

How much does it cost?

One subscription covers every domain, every endpoint and every MCP server, with flat monthly pricing and no per-domain add-ons. Plans are at roxyapi.com/pricing.

Which languages are supported?

Responses are available in 10+ languages, including English, Hindi, Spanish, German, French, Portuguese, Russian, Turkish and Chinese.

Related RoxyAPI repositories

• sdk-typescript, sdk-python, sdk-php, sdk-go, sdk-dotnet: typed SDKs for the same API
• ui: drop-in chart and reading components
• agent-plugin: RoxyAPI skill and docs server for Claude Code and Cursor
• astrology-ai-chatbot: an open source astrology chatbot built on these MCP servers
• astrology-api-openapi: the OpenAPI specification
• astrology-api-benchmark: the published accuracy benchmark

Full MCP guide: roxyapi.com/docs/mcp.

License

MIT