# GEOMETRY

> GEOMETRY — app-geometry-mcp. Use this tool when you need to generate deterministic calendars and cosmic dates in JSON format for AI agents, covering the Gregorian calendar range from 1900 to 2100. It solves problems related to date and time management, providing a standardized interface for MCP-compatible systems. The tool takes date inputs and outputs corresponding JSON data, making it ideal for applications requiring precise and consistent calendar calculations.

Canonical page: https://skillsregistry.net/skills/app-geometry-mcp  
JSON: https://api.skillsregistry.net/v1/skills/app-geometry-mcp

## Description

Deterministic calendars and cosmic date JSON for AI agents via MCP (Gregorian 1900-2100).

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** unverified

## Facts

- **Version:** 0.66.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-09-02

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/app.geometry%2Fmcp)
- **Repository:** <https://github.com/goqolabs/geometry-mcp>

## Use it

MCP endpoint published by the skill: `https://mcp.geometry.app/mcp`

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "app-geometry-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/app-geometry-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/app-geometry-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt