# Postfleet MCP server

Source: https://glimind.com/server/mcp-registry%2Fai.postfleet%2Fpostfleet
Registry id: `mcp-registry/ai.postfleet/postfleet`
Status: auth-required (checked 2026-10-27T06:20:23.916Z)

## Verdict

Postfleet MCP server answered 100% of Glimind's liveness checks over 30 days, better than 42% of MCP servers, with 814 ms median handshake and 0 outages in 90 days. Its agent-readiness grade is A (96/100) across 14 tools, costing an agent about 4,140 tokens to load. Checked every few minutes; no tool is ever called.

## Measurements (30 days)

| Metric | Value | Better than |
|---|---|---|
| Uptime, 30 days | 100% | 42% of MCP servers |
| Median handshake latency | 814 ms | 26% of MCP servers |
| p95 handshake latency | 1202 ms | — |
| Checks in 30 days | 221 | — |
| Outages, 90 days | 0 | — |
| Median recovery | — | — |
| Agent-readiness score | 96/100 (A) | 82% of MCP servers |
| Tools | 14 | — |
| Tool-list size for an agent | ~4,140 tokens | 41% of MCP servers |
| Days observed | 27 | — |

## Install

```json
{
  "mcpServers": {
    "postfleet-mcp-server": {
      "type": "http",
      "url": "https://api.postfleet.ai/api/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http postfleet-mcp-server https://api.postfleet.ai/api/mcp
```

## Tools (14)

- `create_draft`: Prepare an email as a draft without sending it. Call this when you want to stage a message for later or for a human to review before it goes out — send it after
- `create_mailbox`: Create a NEW email mailbox this agent owns. Call this when list_mailboxes shows you have no suitable mailbox yet — mailboxes persist across sessions, so creatin
- `delete_draft`: Discard a draft by its id so it will never be sent. Call this when a staged or pending-approval message should be withdrawn — e.g. it is no longer needed or was
- `get_draft`: Read one draft in full by its id: recipient, subject, body text, and current status. Call this when you need the content of a specific draft — e.g. to review wh
- `list_domains`: List the account's custom sending domains with their id, name, and verification status. Call this when you want to create a mailbox on a custom domain (pass the
- `list_drafts`: List the open drafts in a mailbox (status draft, pending_approval, or sending), newest first. Call this when you need to see messages you have staged or that ar
- `list_inbox`: List recent messages in a mailbox, newest first, with comprehension status per message. Call this when checking what has arrived; use read_email for full conten
- `list_mailboxes`: List the mailboxes you can use, newest first, each with its id and email address. Call this when you need a mailbox_id for any other tool, or to check whether y
- `read_email`: Read one email in full: cleaned body, sanitization report (screened against known hidden-content patterns), classification, and data extracted to the mailbox sc
- `reply_email`: Reply to an email you received. Call this when answering an existing message — recipient, subject, and conversation threading are derived automatically from the
- `send_draft`: Send a draft you prepared, by its id. Call this when a staged draft is ready to go out. If the mailbox requires human approval, this returns 202 {draft_id, stat
- `send_email`: Send a new email from one of your mailboxes. Call this when starting a NEW conversation; to answer an email you received, use reply_email instead (it threads co
- `update_draft`: Edit the to, subject, or text of a draft that has not been sent yet — omitted fields keep their current value. Call this when a draft needs changes, e.g. a huma
- `wait_for_email`: Block until a matching email arrives in a mailbox (or time out). Call this when you just sent an email and need the reply, or are expecting an inbound message —

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.