# AddCal (slim)

> AddCal, an MCP server by addcal.co, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Publish public calendars and events others subscribe to: RSVPs, feeds and add-to-calendar links.

- Full: https://www.anchorterminal.com/tools/addcal.md (~500 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/tools/addcal.json · canonical https://www.anchorterminal.com/tools/addcal
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05

# AddCal

> Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/

- Kind: MCP server, by addcal.co (https://addcal.co/documentation/mcp-server)
- Category: Calendars & scheduling (https://www.anchorterminal.com/categories/scheduling.md)
- Listed because: It's published in the registry under addcal.co, a namespace the registry only gives to whoever proves they control that domain.
- What the official MCP registry says: Publish public calendars and events others subscribe to: RSVPs, feeds and add-to-calendar links.

## Facts

- MCP registry: `co.addcal/addcal` 1.0.1
- Endpoint: https://addcal.co/mcp (streamable HTTP)
- Source: https://github.com/addcal/mcp
- Website: https://addcal.co/documentation/mcp-server
- GitHub stars: 1
- Registry entry updated: 2026-08-14

## Tools

- Tools: the endpoint asks for credentials before listing them (checked 2026-10-05 22:32 UTC)

- JSON: https://www.anchorterminal.com/api/v1/tools/addcal.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming