How to integrate Signaturely MCP with Atomic Agent

Connect Atomic Agent to Signaturely MCP. Show all documents i sent for signature, list templates for non-disclosure agreements, and more using natural language, with authentication handled for you.

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Api Key

Signaturely is an electronic signature platform for signing documents online. It streamlines the signature process with automated requests and ready-to-use templates.

9 Tools

Introduction

Atomic Agent is an open-source AI agent that runs on your machine and supports local models through llama.cpp. Connect it to 1,500+ apps through Composio, including Signaturely.

This guide uses Atomic Agent's built-in Composio integration. You need Atomic Agent v0.5.6 or later, your own Composio API key, and a Signaturely account. See the Atomic Agent documentation for installation instructions.

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How Atomic Agent connects to Signaturely

Atomic Agent connects to Composio's Tool Router over Streamable HTTP MCP. It discovers the tools needed for your request, and Composio handles account authentication.

Execution and account-connection tools follow Atomic Agent's configured approval policy. Review any approval prompt before allowing an action on your connected account.

Connect Signaturely to Atomic Agent

  1. Sign up or sign in to the Composio dashboard. Copy your API key.
  2. In Atomic Agent, open the Integrations tab and select Composio. Select API key, press e, paste the key, and press Enter. The tools become available immediately, without a restart.
  3. Ask Atomic Agent to do something in Signaturely. It searches Composio for the right tool.
  4. On first use, open the sign-in link returned in the chat. Connect your Signaturely account, then return to Atomic Agent to continue.

Headless setup

Add the following line to ~/.atomic-agent/.env, replacing YOUR_COMPOSIO_API_KEY with your key. Start Atomic Agent after saving the file.

bash
COMPOSIO_API_KEY=YOUR_COMPOSIO_API_KEY

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

The Signaturely MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Signaturely account. It provides structured and secure access to your Signaturely workspace, so your agent can perform actions like listing documents, retrieving templates, managing agreements, and streamlining your signature workflows on your behalf.

  • Comprehensive document retrieval: Quickly list and view all documents in your Signaturely account, making it easy to track agreements, contracts, and signed files.
  • Template management: Let your agent fetch and organize reusable document templates, streamlining the process of preparing new signature requests.
  • Automated document discovery: Effortlessly filter and search for specific documents based on status, type, or other criteria, so you always find what you need.
  • Workflow optimization: Use AI to surface relevant templates or documents for various business scenarios, helping you automate signature processes and reduce manual work.

Use Signaturely from Atomic Agent

With your account connected, ask Atomic Agent to work with Signaturely in natural language. You can connect more apps through the same Composio integration as you need them.

Visit the Atomic Agent website or inspect the Atomic Agent source code.

Troubleshooting

Why is my API key rejected?

Copy the key directly from the Composio dashboard. Atomic Agent requires ASCII characters because it sends the key in an HTTP header. Remove any extra characters introduced when copying.

Why are Composio tools unavailable after saving a key?

Check that you use Atomic Agent v0.5.6 or later and that Composio is enabled in your configuration. A "composio": { "enabled": false } setting disables the integration while keeping the saved key on disk.

Does Composio have a free plan?

The Hobby plan includes 100,000 tool calls per month. Composio-managed OAuth apps have a lower included allowance. See Composio pricing for the current limits that apply to your connection.

TOOLS

Supported Tools

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

Create Folder

Tool to create a new folder for organizing documents.

Get Current User

Tool to get the current authenticated user information.

Get Folder

Tool to get folder information by ID.

Get Recent Document

Tool to retrieve the most recent sent or completed document.

List Documents

Tool to list all documents.

List Folders

Tool to get list of folders for documents.

List Team Members

Tool to list all team members in the Signaturely account.

Rename Folder

Tool to rename a folder via API call.

Search Templates or Documents

Tool to search for templates or documents by matching text.

FAQ

Frequently asked questions

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

Yes, you can. Atomic Agent 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 Signaturely tools.

Yes, absolutely. You can configure which Signaturely 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 Signaturely data and credentials are handled as safely as possible.

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