# AddCal MCP Server

> AddCal MCP Server — addcal-mcp. Use this tool when you need to manage and analyze calendar events, subscriptions, and invitations through natural language inputs. The AddCal MCP Server solves problems related to event organization, attendee tracking, and calendar management, providing outputs such as analytics and RSVP summaries. It is ideal for use cases involving complex event scheduling and subscriber management, accepting natural language commands as inputs.

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

## Description

A remote MCP server for AddCal that manages published calendars, events, subscribers, RSVPs, invites, and analytics through natural language.

## Trust

- **Trust score (0–1):** 0.60
- **Verification tier:** scanned
- **Last scanned:** 2026-08-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** data-analytics
- **Updated:** 2026-08-28

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/hnnpoiamaz)
- **Repository:** <https://github.com/addcal/mcp>

## Use it

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": "addcal-mcp"
    }
  }
}
```

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