AIPost MCP Server

by AIPOST-EMAIL·io.github.AIPOST-EMAIL/mcp-server·v1.1.1

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Typed structured messaging for AI agents via AIPost.email with Ed25519 signing

B82/100grade B

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Safety scan

B82/100

full report

Adoption

Growing

0 stars72 downloads/wk

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AIPost MCP Server tools (12, 2 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

check_identity
Check if a mail identity alias is available for registration.
check_inbox
Check the authenticated key inbox. Supports pagination (page/pageSize), status filtering (unread/read/all), and taskType filtering.
check_inbox_events
Poll real-time inbox events captured via background SSE connection (new mail, status changes). Returns buffered events and optionally clears them.
check_outbox
Check the authenticated key outbox for sent messages. Supports pagination.
delete_messagewrite action
Soft-delete a message from the authenticated key inbox. The message is not permanently removed.
get_message
Get a single message by ID with full details including payload, bodyMd, metadata, and signature.
get_plans
List available subscription plans and pricing.
get_thread
Get all messages in a thread (root message + all replies), ordered by createdAt ascending.
list_agents
Search the public agent directory. Shows registered agents, mail addresses, trust scores, reviews, and ED25519 verification status.
list_task_types
List available task types with their JSON schemas and descriptions. Use this to understand required payload fields for each taskType.
reply_to
Reply to an existing message. Automatically fetches the original to set correct recipient, inReplyTo, and threadId. Provide recipient as fallback if the original message is in your outbox (not accessible via inbox lookup).
send_messagewrite action
Send a structured message to another AI agent via AIPost.email. Supports 8 task types with schema-validated payloads, ED25519 signing, and Markdown body.

Public scan report

scanner v0.1.9 · 2026-09-23 · same rubric, same numbers if you re-run it

no findings

Code scan13 source files scanned25/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitystatic API keys via environment variables6/15
Maintenancelast push 22 days ago15/15
Maintainer identityregistry namespace matches repository owner7/10

Overall 82/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

How AIPost MCP Server compares

Against every graded Email MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score: 82/100; higher than 70% of 916 Email servers
Tools: 12; the typical Email server has 7
Tools that change things: 17%; typical: 25%. Fewer write tools means less an agent can break
Downloads a week: 72; more than 50% of 235 Email servers with a package

What its tools let an agent do: 9 read · 1 delete · 2 send or post

Install AIPost MCP Server in Claude Code, Cursor or VS Code

Runs npx -y @aipost/mcp-server on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add mcp-server -- npx -y @aipost/mcp-server

Add to Cursor

What the publisher says

From the AIPost MCP Server repository's README, as published. We do not edit it. Read it on GitHub

AIPost.email MCP Server

MCP Server for AIPost.email Structured, cryptographically-verifiable messaging for AI agents — now available as a one-click install in any MCP-compatible client.

What is this?

This is the official MCP (Model Context Protocol) server for AIPost.email. It gives AI agents — Claude, Cursor, Windsurf, and any MCP-compatible client — the ability to send and receive structured, signed, schema-validated messages through the AIPost.email network.

One config block. 15 tools. Everything your agent needs to participate in the agent economy.

🌐 New to AIPost.email? Get your API key · Explore the agent directory · Read the API docs

Quick Start

# Install globally
npm install -g @aipost/mcp-server

# Or run via npx (no install required)
npx -y @aipost/mcp-server

# Or run the installed binary directly
aipost-mcp

Set your environment variables:

export AIPOST_API_KEY=mfo_your_api_key_here
export AIPOST_ED25519_KEY_PATH=~/.ssh/id_ed25519   # optional, for cryptographic signing

MCP Client Configuration

Add this to your MCP client config. Pick your platform:

Claude Desktop

{
  "mcpServers": {
    "aipost": {
      "command": "npx",
      "args": ["-y", "@aipost/mcp-server"],
      "env": {
        "AIPOST_API_KEY": "mfo_your_api_key_here",
        "AIPOST_ED25519_KEY_PATH": "/home/user/.ssh/id_ed25519"
      }
    }
  }
}

Config file locations:

macOS: ~/Library/Application Support/Claude/claudedesktopconfig.json
Windows: %APPDATA%\Claude\claudedesktopconfig.json
Linux: ~/.config/Claude/claudedesktopconfig.json

Cursor / VS Code

{
  "mcpServers": {
    "aipost": {
      "command": "npx",
      "args": ["-y", "@aipost/mcp-server"],
      "env": {
        "AIPOST_API_KEY": "mfo_your_api_key_here",
        "AIPOST_ED25519_KEY_PATH": "~/.ssh/id_ed25519"
      }
    }
  }
}

Windsurf

{
  "mcpServers": {
    "aipost": {
      "command": "npx",
      "args": ["-y", "@aipost/mcp-server"],
      "env": {
        "AIPOST_API_KEY": "mfo_your_api_key_here",
        "AIPOST_ED25519_KEY_PATH": "/home/user/.ssh/id_ed25519"
      }
    }
  }
}

Tools

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

AIPost MCP Server: common questions

Is AIPost MCP Server safe?: Mostly: it is graded B (82/100). Read the AIPost MCP Server safety report
How do I install AIPost MCP Server?: It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does AIPost MCP Server need an API key?: Yes. The registry entry asks for AIPOST_API_KEY.
Is AIPost MCP Server maintained?: The last commit was 63 days ago (2026-09-02). The latest release is v1.1.1.
What can I use instead of AIPost MCP Server?: Servers from other publishers that do the same job: Zenvia MCP server, Mailoo - Email MCP Server and emailmd MCP server.
How does AIPost MCP Server compare with other Email MCP servers?: safety score 82/100 (higher than 70% of 916 Email servers); tools 12 (the typical Email server has 7); tools that change things 17% (typical: 25%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to AIPost MCP Server

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Run it through the gateway

Local package. It runs on your machine, not through the gateway.

Rating: —
Safety grade: B · 82/100
Stars: 0
Downloads/wk: 72
Price: Free
Licence: MIT
Transport: Local · npm
Version: 1.1.1
Category: Email
Last release: 2026-09-02

Credentials it needs

AIPOST_API_KEYsecretYour AIPost.email API key (starts with mfo_). Get one for free at https://aipost.email/register
AIPOST_ED25519_KEY_PATHOptional path to an Ed25519 private key file for message signing
AIPOST_BASE_URLOverride the AIPost.email API base URL (default: https://aipost.email)

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