# Checkbox (slim)

> Checkbox, an MCP server by checkbox.site, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Auto-renewal law compliance (ROSCA, CA, NY, other states) for subscription checkout and emails

- Full: https://www.anchorterminal.com/tools/checkbox.md (~500 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/tools/checkbox.json · canonical https://www.anchorterminal.com/tools/checkbox
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-11-05
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

# Checkbox

> 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 checkbox.site (https://checkbox.site/docs/mcp)
- Category: Email delivery APIs (https://www.anchorterminal.com/categories/email.md)
- Listed because: It's published in the registry under checkbox.site, a namespace the registry only gives to whoever proves they control that domain.
- What the official MCP registry says: Auto-renewal law compliance (ROSCA, CA, NY, other states) for subscription checkout and emails

## Facts

- MCP registry: `site.checkbox/checkbox` 1.0.1
- Endpoint: https://app.checkbox.site/mcp (streamable HTTP)
- Package: npm `@checkbox-site/mcp` (stdio)
- Source: https://github.com/checkbox-site/checkbox
- Website: https://checkbox.site/docs/mcp
- npm downloads a week: 348
- GitHub stars: 0
- Registry entry updated: 2026-11-04

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