# radmail-mcp (slim)

> radmail-mcp, an MCP server by radmail.ai, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Email OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.

- Full: https://www.anchorterminal.com/tools/radmail-mcp.md (~900 tokens) · this version ~830 tokens · JSON https://www.anchorterminal.com/tools/radmail-mcp.json · canonical https://www.anchorterminal.com/tools/radmail-mcp
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-04

# radmail-mcp

> 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 radmail.ai (https://radmail.ai/for-agents)
- Category: Email delivery APIs (https://www.anchorterminal.com/categories/email.md)
- Listed because: It's published in the registry under radmail.ai, a namespace the registry only gives to whoever proves they control that domain.
- What the official MCP registry says: Email OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.

## Facts

- MCP registry: `ai.radmail/radmail-mcp` 0.5.0
- Endpoint: https://radmail.ai/api/mcp/sandbox (streamable HTTP)
- Package: npm `radmail-mcp` (stdio)
- Source: https://github.com/radmail-ai/radmail-mcp
- Website: https://radmail.ai/for-agents
- npm downloads a week: 108
- GitHub stars: 0
- Registry entry updated: 2026-08-17

## Tools

- Tools it lists (6, about 604 tokens of context, `tools/list` without credentials, checked 2026-10-04 22:20 UTC):
  - `triage_inbox`: Rank a mailbox on two axes (importance x urgency) and return what needs a human now versus what can wait or is already handled — with each thread's open…
  - `list_right_now`: Return only the 'Right Now' lane — the most recent and most important messages that genuinely can't be missed.
  - `why_surfaced`: Explain in plain English why a given message was surfaced — the signals (sender, urgency, commitment) behind its rank.
  - `list_commitments`: Extract the open commitments in the correspondence, both owed by you and owed to you, with who and by-when.
  - `draft_reply`: Draft a reply for a thread. It returns text for a human to review — it does not and cannot send it.
  - `search`: Find a specific message by sender, subject, or content. Results come back most-relevant + newest first, and every hit says where it matched (from / subject /…
- How its tools read to an agent (0 errors, 6 warnings, 1 note, about 604 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score):
  - warn TC16 draft_reply: no readOnlyHint or destructiveHint
  - warn TC16 list_commitments: no readOnlyHint or destructiveHint
  - warn TC16 list_right_now: no readOnlyHint or destructiveHint
  - warn TC16 search: no readOnlyHint or destructiveHint
  - warn TC16 triage_inbox: no readOnlyHint or destructiveHint
  - warn TC16 why_surfaced: no readOnlyHint or destructiveHint
  - note TC24 server: 6 of 6 tools have no outputSchema

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