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How to connect Signwell to Claude

Connect Claude Web, Desktop and Cowork to Signwell MCP. Send nda document for signature to client, list all pending documents awaiting signatures, and more using natural language, with authentication handled for you.

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SignWell is an electronic signature platform for creating and sending legally binding documents. It streamlines contract signing and automates workflows for faster turnaround.

12 Tools

Introduction

Claude is Anthropic's AI assistant, available on the web, in the desktop app, and on mobile. Cowork is its agent for knowledge work, and it runs on all of those surfaces too. Connected to your apps, Claude can work with your files and services to accomplish complex tasks on your behalf.

This guide walks you through the easiest and most secure way to connect your Signwell account to Claude via Composio Connect, enabling it to send NDA document for signature to client, list all pending documents awaiting signatures, delete a document that was sent by mistake, and more such actions on your behalf without compromising your account security.

Setup is the same on Claude Web, Desktop, and Cowork, and you only need to do it once. The connector is tied to your account, so it's available in all three.

Also integrate Signwell with

Claude CodeOpenAI Agents SDKClaude Agent SDKCodexOpenClawHermesAtomic AgentGoogle ADKLangChainVercel AI SDKMastra AILlamaIndexCrewAIPydantic AIAutoGen

Connecting Signwell to Claude Web, Desktop, and Cowork

Two ways to add the Composio connector. Pick whichever you prefer.

1. Add with one click

Click the button. Claude opens with the Composio connector filled in. Click Add, then go to step 2.

Add to Claude

Add manually

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

2. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Web, Desktop, and Cowork

3. Connect your Signwell account

Back in Claude, ask it to connect to Signwell or give it any Signwell-related task.

For example, ask Claude to:

  • "Send NDA document for signature to client"
  • "List all pending documents awaiting signatures"
  • "Delete a document that was sent by mistake"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Claude, and your Signwell account is ready to use.

What is the Signwell Claude Connector, and what's possible with it?

The Signwell MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Signwell account. It provides structured and secure access to your document signing workflow, so your agent can perform actions like sending signature requests, managing documents, handling webhooks, and retrieving account info on your behalf.

  • Automated document creation and sending: Have your agent generate new documents and instantly send them out for e-signature—no manual uploads or email juggling required.
  • Real-time document status retrieval: Let your agent fetch the latest status and details of any document, so you always know who has signed and what’s still pending.
  • Bulk send management: Effortlessly list and track large batches of signature requests, helping you stay organized when sending documents to multiple recipients.
  • Webhook automation and monitoring: Register or remove webhooks so your agent can monitor document events and respond instantly to completed, signed, or cancelled documents.
  • Credential and account validation: Quickly check and verify your Signwell account details and API credentials directly through your agent.

Troubleshooting

1. Why does Claude not use the Composio connector for Signwell?

The connector can show as connected, but Claude must use it in each Signwell conversation.

  • Click + at the lower left of the chat, or type /.
  • Hover Connectors.
  • Turn on Composio.
  • Ask Claude to connect to Signwell again.

2. Why does Claude show an MCP server error before Signwell connects?

Claude can show Couldn't reach the MCP server or Authorization with the MCP server failed when you add the connector for Signwell.

  • Check that the connector URL is https://connect.composio.dev/mcp.
  • Connectors run from Anthropic's cloud, so your device network is usually not the problem.
  • Add the connector again from Customize > Connectors, then ask Claude to connect Signwell.
  • If it fails again, send the error and the ofid_ reference id to support@composio.dev.

3. Why does the Signwell authorization link not work?

The Composio connector is one server. Your Signwell account connects separately when Claude asks for it.

  • If the browser does not open, or the link expires, ask Claude to retry the Signwell connection.
  • Composio creates a fresh Signwell authorization link.
  • Open that link in your browser and finish the Signwell sign-in.

4. Why do Signwell actions fail after they worked before?

The Signwell connection can expire or lose permission.

  • Ask Claude to inspect the Signwell connection.
  • If the connection is unhealthy, disconnect it when Claude prompts you.
  • Reconnect the Signwell account and retry the action.
  • If Claude shows a permission prompt, approve it before Claude changes data in Signwell.
  • If the action still fails with a permission error, check that the connected account has that permission in Signwell itself.

5. How do I switch to a different Signwell account?

Claude can manage the Signwell connection for you.

  • Ask Claude to disconnect or delete the current Signwell account.
  • Ask Claude to connect Signwell again.
  • Open the new Composio authorization link for Signwell.
  • Sign in with the other Signwell account in the browser.
  • After the account connects, ask Claude to retry the Signwell task.

6. Why is my Signwell connection missing in Claude Desktop or on a Team plan?

The connector belongs to your Claude account, so your Signwell connection works in Claude Web, Desktop, and Cowork.

  • In Claude Desktop, open Customize > Connectors.
  • Next to Composio, click ⋮ and click Clear cache.
  • If Signwell tools still do not appear, click ⋮, disconnect, remove the connector, and add it again.
  • On Team or Enterprise, an Owner or Primary Owner must enable the connector before you can connect Signwell.
TOOLS

Supported Tools

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

Create Document

Tool to create and optionally send a new document for signing.

Create Document from Template

Tool to create and optionally send a new document for signing from a template.

Create Webhook

Tool to register a webhook callback URL.

Delete Document

Tool to delete a document (and cancel signing if in progress).

Delete Webhook

Deletes a registered webhook by its ID.

Get Credentials

Retrieve account information for the authenticated API key.

Get Document

Tool to return a document and all associated document data.

List Bulk Sends

Tool to list all Bulk Sends.

List Webhooks

Tool to list all registered webhooks.

Send Reminder

Tool to send a reminder email to recipients that have not signed yet.

Update and Send Document

Tool to update a draft document and send it to recipients for signing.

Update Template

Tool to update an existing template in SignWell.

FRAMEWORKS

How to build Signwell MCP Agent with another framework

Claude Code logo

Claude Code

Use Signwell MCP with Claude Code

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Signwell MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Signwell MCP with Claude Agent SDK

Codex logo

Codex

Use Signwell MCP with Codex

OpenClaw logo

OpenClaw

Use Signwell MCP with OpenClaw

Hermes logo

Hermes

Use Signwell MCP with Hermes

Atomic Agent logo

Atomic Agent

Use Signwell MCP with Atomic Agent

Google ADK logo

Google ADK

Use Signwell MCP with Google ADK

LangChain logo

LangChain

Use Signwell MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use Signwell MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use Signwell MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Signwell MCP with LlamaIndex

CrewAI logo

CrewAI

Use Signwell MCP with CrewAI

Pydantic AI logo

Pydantic AI

Use Signwell MCP with Pydantic AI

AutoGen logo

AutoGen

Use Signwell MCP with AutoGen

FAQ

Frequently asked questions

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

Yes, you can. Claude Cowork 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 Signwell tools.

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

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