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AddSign MCP Server

not responding

AddSign is listed as active in the registry but did not answer our last check. 55 installs a week from npm. Last commit 3 Oct 2026.

Send documents for e-signature from templates, track status, remind signers, get signed PDFs.

Installs per day peak 150 · avg 12 · +757% w/w
a month agotoday
Uptime history 38 days of history · worst day 0%
38 days agonow
0.0%
Uptime 24h
0 of 92 checks
—
Tools
hidden behind auth
82 ms
Response time
average over 24h
55
Installs / week
npm and PyPI

What the code does

We read the source, 2 d ago · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Package points at a different repository rmindgh/addsign-mcp
пакет addsign-mcp ссылается на rmindgh/simple-esign

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.

run in your terminal
claude mcp add addsign-mcp --transport http https://addsign.io/api/mcp
Settings → Connectors → Add custom connector, then paste this address
https://addsign.io/api/mcp
~/.codex/config.toml
[mcp_servers.addsign-mcp]
url = "https://addsign.io/api/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "addsign-mcp": {
      "url": "https://addsign.io/api/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "addsign-mcp": {
      "type": "http",
      "url": "https://addsign.io/api/mcp"
    }
  }
}

Endpoints

URLTransportStateLatencyChecked
https://addsign.io/api/mcp streamable-http answering 82 ms 5 min ago

Alternatives to AddSign

same job, measured the same way
GoodSign
by goodsign

Send documents for e-signature, track and remind signers, and download signed PDFs.

10 tools answering
Formify
by formify

Send agreements for e-signing, use templates, track signatures, send reminders, get signed documents

answering
Zsign
by zsign

Send documents for e-signature from AI assistants, track signers, and download sealed, signed PDFs.

answering
SignatureAPI
by signatureapi

E-signature API: send documents for signature, track envelopes, get signed files.

answering
Signvoy
by signvoy

Send documents for e-signature, track signing status, and download signed PDFs. No API key required.

answering
Signwell MCP
by bidsketch

Send documents for e-signature, track signing, and manage templates in SignWell from any MCP client.

189 installs/wk local only
PenlyDoc
by orestklymko

Send documents for e-signature, track who signed and save sealed PDFs with PenlyDoc.

59 installs/wk local only
Signforge
by kumarprobeops

Send documents for e-signature from AI agents. Upload, sign, and download PDFs.

57 installs/wk local only

AddSign — questions

Answers built from our own checks of this server.

Is AddSign working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 92 checks got a reply (0.0%), average response time 82 ms. The bar chart above shows every period we have measured.
The registry lists AddSign as active — why does it not respond?
The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.
How do I connect AddSign?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does AddSign need an API key?
No. AddSign completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. This is what we observed, not what the docs claim.
How many people use AddSign?
The npm package addsign-mcp was installed 55 times in the last week. Week over week that is +757%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is AddSign open source?
The code is open source: it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at addsign.io, which runs on its operator's own terms.