Danu Astrology

Real natal charts for you and your people: compare charts, map your Circle, see your week.

Should I use this

Quality & Safety

B
Description quality
100%
Schema completeness
62%
Naming quality
80%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~1,715Tokens (tool definitions)
~1.2 KBTypical response size
Moderate attention impact (1.34% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "danu": {
      "url": "https://danuastrology.com/mcp"
    }
  }
}

Remote endpoints

https://danuastrology.com/mcpstreamable-http
https://danuastrology.com/mcp/connectstreamable-http

What it can do

Tool inventory

Tools (8)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢danu_quick_compare(person_a, person_b)

Use this when someone wants to know how two people fit astrologically (partners, friends, family, coworkers) and gives birth details for both. Works without a Danu account. Needs each person's birth date and birthplace; birth time is optional. Ask for missing birth details instead of guessing. If the user has linked Danu and the person is already in their Circle, use danu_pair_reading instead.

Input Schema

{
  "type": "object",
  "properties": {
    "person_a": {
      "type": "object",
      "properties": {
        "name": {
          "type": "string",
          "minLength": 1,
          "maxLength": 80,
          "description": "First name is enough."
        },
        "birth_date": {
          "type": "string",
          "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
          "description": "Birth date, YYYY-MM-DD."
        },
        "birth_time": {
          "anyOf": [
            {
              "type": "string",
              "pattern": "^([01]\\d|2[0-3]):[0-5]\\d$"
            },
            {
              "type": "null"
            }
          ],
          "description": "Birth time, 24-hour HH:MM. Omit if unknown; never guess."
        },
        "birthplace": {
          "type": "string",
          "minLength": 2,
          "maxLength": 120,
          "description": "City plus region or country, e.g. 'Springfield, Illinois'."
        }
      },
      "required": [
        "name",
        "birth_date",
        "birthplace"
      ],
      "additionalProperties": false
    },
    "person_b": {
      "type": "object",
      "properties": {
        "name": {
          "$ref": "#/properties/person_a/properties/name"
        },
        "birth_date": {
          "$ref": "#/properties/person_a/properties/birth_date"
        },
        "birth_time": {
          "$ref": "#/properties/person_a/properties/birth_time"
        },
        "birthplace": {
          "$ref": "#/properties/person_a/properties/birthplace"
        }
      },
      "required": [
        "name",
        "birth_date",
        "birthplace"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "person_a",
    "person_b"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢danu_my_sky

Use this when the user asks about their own chart, their big three, their role, or what is hitting their chart now. Requires a linked Danu account.

Input Schema

{
  "type": "object",
  "properties": {},
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢danu_map_circle

Use this when the user wants to see their Circle (family, friends, partner, team), everyone's role in the group, what the group runs on or lacks, or 'who is the X of my family/friends'. Requires a linked Danu account.

Input Schema

{
  "type": "object",
  "properties": {},
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢danu_pair_reading(who, situation)

Use this when the user asks about their dynamic with a specific person already in their Danu Circle (why they clash, how to talk to them, whether to raise something). Pass the person's name as 'who'. Pass 'situation' with what is actually going on, in the user's words, so the reading is about their life. Requires a linked Danu account.

Input Schema

{
  "type": "object",
  "properties": {
    "who": {
      "type": "string",
      "minLength": 1,
      "maxLength": 80,
      "description": "Name or relationship of the person in their Circle, e.g. 'Mom' or 'Sam'. If Danu answered with labels like 'Sam (friend)', pass the chosen label exactly."
    },
    "situation": {
      "type": "string",
      "maxLength": 600,
      "description": "What's going on between them right now, from the conversation. Not stored."
    }
  },
  "required": [
    "who"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢danu_circle_week

Use this when the user asks who in their Circle is having a hard week, who to check in on, when to ask someone for something, or for a weekly forecast for their family or friends. Requires a linked Danu account.

Input Schema

{
  "type": "object",
  "properties": {},
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟡danu_add_person(name, birth_date, birth_time, birthplace, relationship)

Use this when the user wants to add a person to their Danu Circle and has that person's birth date and birthplace (birth time optional). Confirm the details back before calling. If they don't know the birthday, use danu_create_compare_link instead. Requires a linked Danu account.

Input Schema

{
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "minLength": 1,
      "maxLength": 80,
      "description": "First name is enough."
    },
    "birth_date": {
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
      "description": "Birth date, YYYY-MM-DD."
    },
    "birth_time": {
      "anyOf": [
        {
          "type": "string",
          "pattern": "^([01]\\d|2[0-3]):[0-5]\\d$"
        },
        {
          "type": "null"
        }
      ],
      "description": "Birth time, 24-hour HH:MM. Omit if unknown; never guess."
    },
    "birthplace": {
      "type": "string",
      "minLength": 2,
      "maxLength": 120,
      "description": "City plus region or country, e.g. 'Springfield, Illinois'."
    },
    "relationship": {
      "type": "string",
      "enum": [
        "partner",
        "husband",
        "wife",
        "ex",
        "crush",
        "parent",
        "child",
        "sibling",
        "friend",
        "colleague",
        "boss",
        "other"
      ],
      "description": "How this person relates to the user."
    }
  },
  "required": [
    "name",
    "birth_date",
    "birthplace",
    "relationship"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟡danu_create_compare_link(name, relationship)

Use this when the user wants to compare with someone but doesn't know their birth details, or wants that person to see the result too. Creates a single-use link; the person enters their own birthday and joins the user's Circle with consent. Requires a linked Danu account.

Input Schema

{
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "minLength": 1,
      "maxLength": 80,
      "description": "The person's name."
    },
    "relationship": {
      "type": "string",
      "enum": [
        "partner",
        "husband",
        "wife",
        "ex",
        "crush",
        "parent",
        "child",
        "sibling",
        "friend",
        "colleague",
        "boss",
        "other"
      ],
      "description": "How this person relates to the user."
    }
  },
  "required": [
    "name",
    "relationship"
  ],
  "additionalProperties": false,
  "$schema": "http://json-schema.org/draft-07/schema#"
}
⚪danu_share_circle_card

Use this when the user wants to share their Circle roles (for a group chat or social post). Creates a public link that shows first names and roles only, never birth details. Requires a linked Danu account.

Input Schema

{
  "type": "object",
  "properties": {},
  "$schema": "http://json-schema.org/draft-07/schema#"
}

Community

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Evidence

Recent observations

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