0n3
MCP servers · DocuSign · MCP server

Connect Codex CLI to DocuSign

One line gives Codex CLI your DocuSign account as tools: 6 endpoints, envelopes, templates, called with your own connection. No key in the prompt, a receipt for every call, revoke Codex CLI's access alone any time.

Get the line for Codex CLIConnect DocuSign first

Three steps

  1. Create a free 0n3 account and connect DocuSign. Paste a key or sign in; it lands in your vault, encrypted.
  2. Install 0n3 into Codex CLI. OpenAI's terminal agent reads 0n3 over Streamable HTTP with a token from your environment.
  3. Ask Codex CLI: whoami. Then: "Create an envelope in DocuSign".
Put the token in your environment
export ON3_TOKEN="<your 0n token>"

Add it to your shell profile so Codex finds it next time.

The line above carries a placeholder; 0n3.app/install mints a real key named for Codex CLI and fills it in.

What Codex CLI can then do in DocuSign

Envelopes · Create and send documents for signing4
Create an envelopePOST /accounts/{accountId}/envelopes
Get an envelopeGET /accounts/{accountId}/envelopes/{envelopeId}
List envelopesGET /accounts/{accountId}/envelopes
List recipientsGET /accounts/{accountId}/envelopes/{envelopeId}/recipients
Templates · Manage document templates2
List templatesGET /accounts/{accountId}/templates
Get a templateGET /accounts/{accountId}/templates/{templateId}

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