MCP server

Zsign Official

io.zsign/zsign

Checked 26 Oct 2026, 08:29 UTC · It answered and asked for a sign-in

E-signature API for AI agents: send contracts, sign PDF documents, track and download signed files.

Signs in with your accountVerified publisher: zsign.io

https://zsign.io/mcp

At a glance

Type: MCP server
Publisher: zsign.io (verified by the MCP Registry)
Status: Signs in with your account
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http zsign https://zsign.io/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.zsign]
url = "https://zsign.io/mcp"

Gemini CLI

{"mcpServers":{"zsign":{"httpUrl":"https://zsign.io/mcp"}}}

Cursor

{"mcpServers":{"zsign":{"url":"https://zsign.io/mcp"}}}

VS Code

{"servers":{"zsign":{"type":"http","url":"https://zsign.io/mcp"}}}

Antigravity

agy mcp add zsign https://zsign.io/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"zsign","server_url":"https://zsign.io/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"zsign","server_url":"https://zsign.io/mcp"}

Signs in with your account: your agent app opens a sign-in page the first time you use it.

Assinafy
Send documents for legally valid e-signature in Brazil, track signers and download signed files.
SignSimple
Send PDFs for legally binding e-signature, free and unlimited. Track status; free legal templates.
Quicksign
E-signatures for contracts and NDAs. Draft with AI, review, and send for signature.
Swiftsign
E-signatures for agents: mint a sandbox key, send PDFs, track status, download the sealed result.
SELISE Signature
Prepare and send documents for electronic signature with SELISE Signature.
Dropbox Sign MCP by usefulapi
Hosted MCP server for Dropbox Sign — signature requests, templates, and account for AI agents.
Shiply
Publish any app in one call: SQL database, functions, email, and a custom domain. Flat price.
Documenso MCP by usefulapi
Read and send documents for signature — templates, recipients, fields and folders.

[![AptLynx](https://aptlynx.net/badge/io.zsign/zsign.svg)](https://aptlynx.net/servers/io.zsign/zsign)

Listing text is written by the maker; AptLynx lists tools and does not vouch for them. Find another tool · Browse by topic · For agents