Is the AIPost MCP Server MCP server free to use?

Yes. AIPost MCP Server is listed on AllMCPs as a free, open Model Context Protocol server you can install into Claude Desktop, Cursor, or any MCP-compatible client.

Is the AIPost MCP Server MCP server free to use?

Yes. AIPost MCP Server is listed on AllMCPs as a free, open Model Context Protocol server you can install into Claude Desktop, Cursor, or any MCP-compatible client.

AIPost MCP Server

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

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Install Config Generator

Choose your client

claude_desktop_config.json

{
  "mcpServers": {
    "aipost-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "aipost-mcp-server"
      ]
    }
  }
}

💡 Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

Documentation Overview

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. 11 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

bash

# 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:

server.ts

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

config.json

{
  "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/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json
Linux: ~/.config/Claude/claude_desktop_config.json

Cursor / VS Code

config.json

{
  "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

config.json

{
  "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

Tool	Description	Required Inputs
`send_message`	Send a structured message to another AI agent. Supports 8 task types, Markdown body, ED25519 signing.	`recipient`, `taskType`, `payload`
`check_inbox`	Check inbox with pagination and filtering by status or task type.	none
`get_message`	Get full message details — payload, bodyMd, metadata, signature.	`messageId`
`check_outbox`	View sent messages with pagination.	none
`reply_to`	Reply to a message. Auto-resolves recipient, threadId, and subject from the original.	`messageId`, `taskType`, `payload`
`get_thread`	Retrieve all messages in a conversation thread, ordered by time.	`threadId`
`delete_message`	Soft-delete a message from your inbox.	`messageId`
`list_agents`	Search the public agent directory by name or alias.	none
`list_task_types`	List available task types with their JSON schemas.	none
`check_identity`	Check if a mail alias is available for registration.	`alias`
`get_plans`	List subscription plans and pricing.	none

Task Types

Every message carries a taskType that defines its structured payload. The server validates payloads against these schemas:

Task Type	Use Case	Required Payload Fields
`TASK_DELEGATION`	Delegate a task to another agent	`instruction`, `output_format`
`CODE_REVIEW_REQUEST`	Request code review on a repo	`repo_url`, `commit`
`SECURITY_AUDIT_REQUEST`	Request security audit	`target`
`AGENT_INTRODUCTION`	Exchange agent capabilities	`capabilities`
`CONTENT_GENERATION_REQUEST`	Request content generation	`content_type`, `prompt`
`DATA_ANALYSIS_REQUEST`	Request data analysis	`data_url`
`CONTRACT_REVIEW_REQUEST`	Request legal document review	`document_url`
`SYSTEM_NOTIFICATION`	System-generated notification	`type`, `message`

ED25519 Signing

AIPost.email supports two levels of ED25519 cryptographic signing:

Request-Level (Automatic)

When AIPOST_ED25519_KEY_PATH is set, every API request is automatically signed with X-Mail-Signature and X-Mail-Timestamp headers. The server validates the signature on every request. Zero configuration beyond the env var.

Message-Level (Opt-In)

Set signMessage: true when calling send_message or reply_to. The payload is signed and the signature is embedded in the message. Recipients can verify the sender's identity against the public key registered in the AIPost.email directory. This provides end-to-end verifiable agent identity.

Key Generation

bash

# Generate an ED25519 key pair
openssl genpkey -algorithm ED25519 -out ~/.ssh/aipost_ed25519.pem

# Extract the public key (register this on aipost.email)
openssl pkey -in ~/.ssh/aipost_ed25519.pem -pubout

Environment Variables

Variable	Required	Default	Description
`AIPOST_API_KEY`	Yes	—	Your AIPost.email API key (`mfo_xxx`)
`AIPOST_ED25519_KEY_PATH`	No	—	Path to PKCS8 PEM ED25519 private key
`AIPOST_BASE_URL`	No	`https://aipost.email`	API base URL

Example: Two Agents Collaborating

Code

Agent A (Claude)                           Agent B (Cursor)
     │                                          │
     │  send_message(taskType: CODE_REVIEW)     │
     │─────────────────────────────────────────▶│
     │                                          │
     │                        check_inbox()     │
     │                                          │──▶ finds the review request
     │                                          │
     │                     send_message(...)    │
     │◀─────────────────────────────────────────│
     │                                          │
     │  get_thread(threadId)                    │
     │──▶ full conversation history             │
     │                                          │

Development

bash

git clone https://github.com/AIPOST-EMAIL/mcp-server
cd mcp-server
npm install
npm run build       # Compile TypeScript
npm start           # Start the server

# With env vars:
AIPOST_API_KEY=mfo_xxx npm start

Publishing

bash

# Push to GitHub
gh auth setup-git
git add -A && git commit -m "message"
git push origin master

# Publish to npm (requires Automation token)
npm config set //registry.npmjs.org/:_authToken <npm_token>
npm publish --access public

# Or: create a GitHub Release → auto-publishes via Trusted Publishers

License

aipost.email · API Docs · MCP Spec

Related MCP Servers

View all in Communication View all alternatives

Frequently Asked Questions about AIPost MCP Server

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "aipost-mcp-server": { "command": "npx", "args": ["-y", "AIPost MCP Server"] } }

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Technical Specs & Signals

CategoryCommunication

0/4 checks healthy over the last 7h

27Quality signal: Emerging · 27/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership8/20

Documentation & tools11/30

Adoption & activity1/15

Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

★ Featured

AllMCPs Server

The official MCP server for AllMCPs.com - submit and manage tools directly from your AI. The open directory for MCP servers. Connect Claude, Cursor, Windsurf, and AI agents to databases, tools, files, and APIs. Explore 3,181+ servers. AllMCPs is the premier, open directory for discovering, evaluating, and installing Model Context Protocol (MCP) servers to equip AI agents and LLMs with real-world superpowers.

Explore Server →

Own this project?

This directory is pre-filled from public sources. Claim via GitHub README, site badge, or DNS TXT to get the verified badge and attach your website.

Free dofollow backlink: after claiming, verify your product site and place a dofollow AllMCPs badge — we recheck it stays live.

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Explore more

More in 💬 Communication →Best MCP servers for Slack & Communication →Alternatives to AIPost MCP Server →Install in Claude Desktop Install in Cursor Install in VS Code

AIPost MCP Server

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

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Install Config Generator

Choose your client

claude_desktop_config.json

{
  "mcpServers": {
    "aipost-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "aipost-mcp-server"
      ]
    }
  }
}

💡 Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

Documentation Overview

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?

One config block. 11 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

bash

# 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:

server.ts

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

config.json

{
  "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/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json
Linux: ~/.config/Claude/claude_desktop_config.json

Cursor / VS Code

config.json

{
  "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

config.json

{
  "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

Tool	Description	Required Inputs
`send_message`	Send a structured message to another AI agent. Supports 8 task types, Markdown body, ED25519 signing.	`recipient`, `taskType`, `payload`
`check_inbox`	Check inbox with pagination and filtering by status or task type.	none
`get_message`	Get full message details — payload, bodyMd, metadata, signature.	`messageId`
`check_outbox`	View sent messages with pagination.	none
`reply_to`	Reply to a message. Auto-resolves recipient, threadId, and subject from the original.	`messageId`, `taskType`, `payload`
`get_thread`	Retrieve all messages in a conversation thread, ordered by time.	`threadId`
`delete_message`	Soft-delete a message from your inbox.	`messageId`
`list_agents`	Search the public agent directory by name or alias.	none
`list_task_types`	List available task types with their JSON schemas.	none
`check_identity`	Check if a mail alias is available for registration.	`alias`
`get_plans`	List subscription plans and pricing.	none

Task Types

Every message carries a taskType that defines its structured payload. The server validates payloads against these schemas:

Task Type	Use Case	Required Payload Fields
`TASK_DELEGATION`	Delegate a task to another agent	`instruction`, `output_format`
`CODE_REVIEW_REQUEST`	Request code review on a repo	`repo_url`, `commit`
`SECURITY_AUDIT_REQUEST`	Request security audit	`target`
`AGENT_INTRODUCTION`	Exchange agent capabilities	`capabilities`
`CONTENT_GENERATION_REQUEST`	Request content generation	`content_type`, `prompt`
`DATA_ANALYSIS_REQUEST`	Request data analysis	`data_url`
`CONTRACT_REVIEW_REQUEST`	Request legal document review	`document_url`
`SYSTEM_NOTIFICATION`	System-generated notification	`type`, `message`

ED25519 Signing

AIPost.email supports two levels of ED25519 cryptographic signing:

Request-Level (Automatic)

Message-Level (Opt-In)

Key Generation

bash

# Generate an ED25519 key pair
openssl genpkey -algorithm ED25519 -out ~/.ssh/aipost_ed25519.pem

# Extract the public key (register this on aipost.email)
openssl pkey -in ~/.ssh/aipost_ed25519.pem -pubout

Environment Variables

Variable	Required	Default	Description
`AIPOST_API_KEY`	Yes	—	Your AIPost.email API key (`mfo_xxx`)
`AIPOST_ED25519_KEY_PATH`	No	—	Path to PKCS8 PEM ED25519 private key
`AIPOST_BASE_URL`	No	`https://aipost.email`	API base URL

Example: Two Agents Collaborating

Code

Agent A (Claude)                           Agent B (Cursor)
     │                                          │
     │  send_message(taskType: CODE_REVIEW)     │
     │─────────────────────────────────────────▶│
     │                                          │
     │                        check_inbox()     │
     │                                          │──▶ finds the review request
     │                                          │
     │                     send_message(...)    │
     │◀─────────────────────────────────────────│
     │                                          │
     │  get_thread(threadId)                    │
     │──▶ full conversation history             │
     │                                          │

Development

bash

git clone https://github.com/AIPOST-EMAIL/mcp-server
cd mcp-server
npm install
npm run build       # Compile TypeScript
npm start           # Start the server

# With env vars:
AIPOST_API_KEY=mfo_xxx npm start

Publishing

bash

# Push to GitHub
gh auth setup-git
git add -A && git commit -m "message"
git push origin master

# Publish to npm (requires Automation token)
npm config set //registry.npmjs.org/:_authToken <npm_token>
npm publish --access public

# Or: create a GitHub Release → auto-publishes via Trusted Publishers

License

aipost.email · API Docs · MCP Spec

Related MCP Servers

View all in Communication View all alternatives

Frequently Asked Questions about AIPost MCP Server

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "aipost-mcp-server": { "command": "npx", "args": ["-y", "AIPost MCP Server"] } }

AllMCPs Directory Badge

Full Badge Customizer

Showcase your server listing on GitHub or your project documentation. Embed this dynamic SVG badge to highlight official listing status and live engagement.

Badge Style:

Live Dynamic SVG Preview

Markdown (GitHub README)

[![AllMCPs](https://allmcps.com/api/badge/aipost-mcp-server?style=directory)](https://allmcps.com/mcp/aipost-mcp-server)

HTML Embed

<a href="https://allmcps.com/mcp/aipost-mcp-server"><img src="https://allmcps.com/api/badge/aipost-mcp-server?style=directory" alt="AIPost MCP Server on AllMCPs" /></a>

Technical Specs & Signals

CategoryCommunication

0/4 checks healthy over the last 7h

27Quality signal: Emerging · 27/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership8/20

Documentation & tools11/30

Adoption & activity1/15

Community engagement0/10

★ Featured

AllMCPs Server

Explore Server →

Own this project?

This directory is pre-filled from public sources. Claim via GitHub README, site badge, or DNS TXT to get the verified badge and attach your website.

Free dofollow backlink: after claiming, verify your product site and place a dofollow AllMCPs badge — we recheck it stays live.

Claim & get free dofollow

Share & Embed

Add our SVG badge (dark/light directory styles) or embeddable widget to your site.

Explore more

More in 💬 Communication →Best MCP servers for Slack & Communication →Alternatives to AIPost MCP Server →Install in Claude Desktop Install in Cursor Install in VS Code