// MCP TOOL REFERENCE

CELESTINE TOOLS

12 tools from the Celestine MCP Server, categorised by risk level.

View the Celestine policy → Token cost: 2,528 tokens →

// ALL 12 CELESTINE TOOLS

READ 11 tools

Read birth_chart Use when you need the full natal chart for interpretation, comparison, or downstream transit/progression wo... Read current_transits Use when you want to know what the sky is doing to a natal chart right now (or at a specific date). Defaul... Read get_aspect Return angle, orb, polarity (hard/soft), and meaning for an astrological aspect. Read get_house Return brief and full descriptions for an astrological house (1–12). Read get_planet Return archetype, rulership, exaltation/detriment/fall, and keywords for a planet. Read get_prompt Get a prompt by name with optional arguments. Returns the rendered prompt as JSON with a messages array. A... Read get_sign Return qualities, themes, shadow, crystals, and element for a zodiac sign. Read list_prompts List all available prompts. Returns JSON with prompt metadata including name, description, and optional ar... Read planetary_positions Planetary positions for any date (defaults to now UTC). Returns positions for Sun through Pluto plus Chiro... Read progression_report Secondary progressions + solar arc + progressed Moon report. Shows how the natal chart evolves from birth ... Read transit_search Use when you need to know which transits shape a period for a natal chart. Returns aggregate counts by bod...

WRITE 1 tools

Write generate_calendar_events Authoritative astrological calendar generator — always use this tool when the user asks for a calendar of s...

// FAQ

How many tools does the Celestine MCP server have? +

The Celestine MCP server exposes 12 tools across 2 categories: Read, Write.

How do I enforce policies on Celestine tools? +

Route the Celestine server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard — they are enforced on every call before it reaches the server.

What risk categories do Celestine tools fall into? +

Celestine tools are categorised as Read (11), Write (1). Each category has a recommended default policy.

Let agents act without letting them run wild.

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