How to integrate Docupost MCP with OpenClaw

OpenClaw is the fastest growing agent harness out there, which can work 24/7 to automate almost any kind of tasks. However, its capabilities are limited to the tools it has access to. Composio allows your OpenClaw to access Docupost with authentication management handled for you. You can execute actions on Docupost via your favorite OpenClaw interface (Telegram, WhatsApp, TUI, etc), whichever you prefer.

Docupost logoDocupost
Api Key

Docupost is a print and mail service that lets you send digital files as physical letters or postcards via USPS. Instantly automate offline mailings without manual printing or trips to the post office.

3 Tools

Introduction

OpenClaw is the fastest growing agent harness out there, which can work 24/7 to automate almost any kind of tasks. However, its capabilities are limited to the tools it has access to. Composio allows your OpenClaw to access Docupost with authentication management handled for you. You can execute actions on Docupost via your favorite OpenClaw interface (Telegram, WhatsApp, TUI, etc), whichever you prefer.

Also integrate Docupost with

Why use Composio?

Apart from a managed and hosted MCP server, you will get:

  • Programmatic tool calling allows LLMs to write its code in a remote workbench to handle complex tool chaining. Reduces to-and-fro with LLMs for frequent tool calling.
  • Handling Large tool responses out of LLM context to minimize context rot.
  • Dynamic just-in-time access to 20,000 tools across 1000+ other Apps for cross-app workflows. It loads the tools you need, so LLMs aren't overwhelmed by tools you don't need.

How to install Docupost with OpenClaw

Using Composio API Key and Setup Prompt

Copy the setup prompt from the OpenClaw dashboard
  • Run it in your OpenClaw chat interface.
  • Authenticate Docupost from the dashboard
  • Go back to your OpenClaw interface and start asking questions.

Using OpenClaw/Composio Plugin

1. Install OpenClaw Composio plugin

bash
openclaw plugins install @composio/openclaw-plugin

2. Copy the API Key from dashboard.composio.dev

3. Setup OpenClaw Config

bash
openclaw config set plugins.entries.composio.config.consumerKey "ck_your_key_here"

4. Restart OpenClaw

bash
openclaw gateway restart

5. Go to your chat interface and start asking questions.

6. When prompted, authenticate the app and you're all set.

How It Works

The plugin connects to Composio's MCP server at https://connect.composio.dev/mcp and registers all available tools directly into the OpenClaw agent. Tools are called by name — no extra search or execute steps needed.

If a tool returns an auth error, the agent will prompt you to connect that toolkit at dashboard.composio.dev.

Configuration

bash
{
  "plugins": {
    "entries": {
      "composio": {
        "enabled": true,
        "config": {
          "consumerKey": "ck_your_key_here"
        }
      }
    }
  }
}
OptionDescriptionDefault
enabledEnable or disable the plugintrue
consumerKeyYour Composio consumer key (ck_...)
mcpUrlMCP server URL (advanced)https://connect.composio.dev/mcp

What is the Docupost MCP server, and what's possible with it?

The Docupost MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Docupost account. It provides structured and secure access to Docupost's print and mail services, so your agent can send letters, mail postcards, and automate physical document delivery on your behalf.

  • Automated letter mailing: Direct your agent to send digital files as physical letters to any recipient in the U.S., specifying sender and recipient details.
  • Personalized postcard delivery: Have your agent create and mail custom postcards, using front and back image designs tailored for your recipients.
  • Bulk document distribution: Let your agent send batches of letters or postcards to multiple addresses, streamlining mass mail campaigns or notifications.
  • Seamless file-to-mail conversion: Enable your agent to instantly turn PDFs or images into tangible mail pieces, no printing or trips to the post office required.

Conclusion

You've successfully integrated Docupost with OpenClaw using Composio plugin. Now interact with Docupost directly from your terminal, Web UI, or any messenger app using natural language commands.

Key benefits of this setup:

  • Seamless integration across TUI, Web UIs, and Messenger apps like Telegram, WhatsApp, Slack, etc.
  • Natural language commands for Docupost operations
  • Managed authentication through Composio
  • Access to 20,000+ tools across 1000+ apps for cross-app workflows
  • Programmatic tool calling for complex tool chaining

Next steps:

  • Try asking OpenClaw to perform various Docupost operations
  • Explore cross-app workflows by connecting more toolkits like Calendar, Slack, Notion, etc.
  • Build complex automation scripts that leverage OpenClaw's 24/7 running capabilities
TOOLS

Supported Tools

Every Docupost action and event your agent gets out of the box.

Get Balance

Tool to check the current account balance in DocuPost.

Send Letter

Send a physical letter via U.

Send Postcard

Tool to send a postcard via U.

FAQ

Frequently asked questions

With a standalone Docupost MCP server, the agents and LLMs can only access a fixed set of Docupost tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Docupost and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. OpenClaw fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Docupost tools.

Yes, absolutely. You can configure which Docupost scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Docupost data and credentials are handled as safely as possible.

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