# Mailbuttons (mbag.ai) (slim)

> Mailbuttons (mbag.ai), an MCP server by mailbuttons.com, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Governed email for AI agents (Mailbuttons / mbag.ai): sandbox inboxes, policy gate, audit log.

- Full: https://www.anchorterminal.com/tools/mailbuttons-mcp-server.md (~500 tokens) · this version ~430 tokens · JSON https://www.anchorterminal.com/tools/mailbuttons-mcp-server.json · canonical https://www.anchorterminal.com/tools/mailbuttons-mcp-server
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-04

# Mailbuttons (mbag.ai)

> 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 mailbuttons.com (https://mailbuttons.com)
- Category: Email delivery APIs (https://www.anchorterminal.com/categories/email.md)
- Listed because: It's published in the registry under mailbuttons.com, a namespace the registry only gives to whoever proves they control that domain.
- What the official MCP registry says: Governed email for AI agents (Mailbuttons / mbag.ai): sandbox inboxes, policy gate, audit log.

## Facts

- MCP registry: `com.mailbuttons/mcp-server` 0.1.2
- Endpoint: https://mailbuttons.com/api/v1/mcp/rpc (streamable HTTP)
- Package: npm `@mailbuttons/mcp-server` (stdio)
- Source: https://github.com/mailbuttons/mcp-server
- Website: https://mailbuttons.com
- npm downloads a week: 33
- GitHub stars: 1
- Registry entry updated: 2026-07-15

## Tools

- Tools: the endpoint asks for credentials before listing them (checked 2026-10-04 22:23 UTC)

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