Astral MCP Server

Precision-audited astrology MCP: natal charts, transits, synastry, moon phases. No API key.

Local serverstdio

What is the Astral MCP Server?

Precision-audited astrology MCP: natal charts, transits, synastry, moon phases. No API key.

What it actually does

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
astral_compute_natal_chartfull natal chart, precision-audited by default
astral_current_transitscurrent + upcoming transits to a chart, with moon phase
astral_synastrycompare two charts (harmony / chemistry / communication / growth)
astral_moon_phasemoon phase, sign and illumination for any date
astral_search_birthplacegeocode a place to latitude / longitude / timezone
astral_demoworked example chart, no input needed
astral_capabilitieswhat this server supports and what it doesn't
astral_data_inventorydata domains and recommended first calls
astral_agent_manifestinstall + usage rules for agents
astral_connection_statushealth check via a sample chart + dual-engine audit
structuredsame structure, redundant/derivable fields dropped
summaryonly the high-signal essentials (luminaries + Ascendant, chart signature, top aspects)

How to install the Astral MCP Server

{
  "mcpServers": {
    "astral": {
      "command": "npx",
      "args": ["-y", "astral-mcp"]
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Example prompts to try

  • “Use Astral to astral compute natal chart.”
  • “Use Astral to astral current transits.”
  • “Use Astral to astral synastry.”

Frequently asked questions

Precision-audited astrology MCP: natal charts, transits, synastry, moon phases. No API key. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.