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MCP live MCP 2025-06-18 streamable-http

NatalChart.AI Astrology

ai.natalchart/astrology

Swiss Ephemeris astrology: natal charts, transits, synastry, solar returns and astrocartography.

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Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
626ms
last probe
Tools
10
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://www.natalchart.ai/mcp
Score: 100/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
10 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
10 items in total; 3 or more earns these points.
pass Describes itself 10/10
96 characters; more than 30 earns these points.

Tools · 10

natal_chart

A natal chart from birth data. "part" picks what to return: full (everything: bodies with sign, degree, speed, retrograde flag and house; the angles; twelve Placidus cusps; aspects with orbs; element …

daily_transits

The calculated day: the sky at noon UTC, the Moon's phase, the sky events of the coming week and, with birth data, every transit to the natal chart with its orb. No generated text. Use it for a day's …

sky

Planetary positions, Moon phase and the coming week's sky events for a date (?date=YYYY-MM-DD, today by default). Works without a key: try curl https://api.natalchart.ai/v1/sky Use it for where the pl…

usage

Your plan, today's count and when the pool refills. Costs nothing. Use it when a call fails on the limit, or before a long series of calls, to see the plan and what is left today.

transits

Up to 60 transit events in a window of up to 92 days, the most significant kept when there are more: exact transit-to-natal aspects by date, sign ingresses and stations. (Premium or MAX) Use it for fo…

synastry

Two charts compared: inter-chart aspects with orbs, house overlays both ways and a score per life sphere. (Premium or MAX) Use it when the user asks about compatibility or a relationship and gives bir…

solar_return

The solar return chart for a year, cast for the birth place or another location. (Premium or MAX) Use it for the year ahead from a birthday; it needs a birth time.

best_days

Every day of a window of up to 62 days scored for one activity (general, business, romance, health, creative, travel, home, clarity): helping and hindering transits, Moon phase and sign, void of cours…

location_score

One place against one chart: the relocated angles, the planets on them with orbs, a score for each life sphere and an overall score. (Premium or MAX) Use it when the user asks whether a specific city …

best_cities

The catalogue of major cities ranked for one chart, overall or by chosen life spheres, worldwide or in one region. (Premium or MAX) Use it when the user asks where in the world to live, work or travel…

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://www.natalchart.ai/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "natalchart.ai_astrology": {
      "url": "https://www.natalchart.ai/mcp",
      "transport": "streamable-http"
    }
  }
}