Best Proposals & e-signature MCP servers

Claude.ai and Claude Desktop

1. Open Customize, then Connectors.

2. Click +, then Add custom connector.

3. Name it MartechDB, paste the address below and click Add. There's no sign-in.

The free plan allows one custom connector. On Team and Enterprise plans, an owner adds the connector first.

Claude Code

Run this in your terminal:

ChatGPT

1. Open Settings, then Apps, then Advanced settings.

2. Turn on Developer mode, then click Create.

3. Name it MartechDB, paste the address below and choose No authentication.

Developer mode is on Plus and Pro plans, and on Business, Enterprise and Edu if an admin allows it.

Cursor

Or add this to ~/.cursor/mcp.json:

VS Code

Or add this to .vscode/mcp.json:

API

The same data as JSON, with no sign-in. See the OpenAPI description for every endpoint and field.

CLI

Search the directory and print the command to connect a vendor's server, from your terminal. Needs Node 18 or later. View on npm