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writ MCP Server

local only

writ runs on your own machine — the client starts it, so there is no endpoint to ping. 179 installs a week from pypi. Last commit 5 Oct 2026.

Commit-time policy checks for AI agent writes (ALLOW/DENY/STEP_UP) with a tamper-evident audit log.

Installs per day peak 866 · avg 54 · -88% w/w
a month agotoday
179
Installs / week
pypi · writ-mcp
2
Stars
4 open issues
5 Oct 2026
Last commit
from GitHub
MIT
License
Python

What the code does

We read the source, 6 d ago · rules ccca72095570

In the project's build, not in the package

Found in continuous integration, deployment or infrastructure files, or in a neighbouring package of the same monorepo. None of this is installed when you add the server: it describes how the project is built and released. We list it because a leaked key in a build pipeline is still a real problem, but it is not something this server does on your machine.

Runs an external command .github/smithery/build_mcpb.py:68
    proc = subprocess.Popen(
Reads files and sends them to the network src/pywrit/cli.py:707
    return sorted(p for p in root.rglob("*.py")

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

Nothing serious here today

Today is the operative word: we check writ every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add writ -- uvx writ-mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "writ": {
      "args": [
        "writ-mcp"
      ],
      "command": "uvx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.writ]
command = "uvx"
args = ["writ-mcp"]
.cursor/mcp.json
{
  "mcpServers": {
    "writ": {
      "args": [
        "writ-mcp"
      ],
      "command": "uvx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "writ": {
      "args": [
        "writ-mcp"
      ],
      "command": "uvx"
    }
  }
}

This one needs environment variables set before it will start: WRIT_API_KEY (Writ API key (get one free at https://withwrit.com)), WRIT_SPONSOR_TOKEN (Writ sponsor token, only required for sponsor tools (grant, revoke, reinstate)), WRIT_BASE_URL (Optional custom Writ API base URL (default: https://api.withwrit.com)). The author declared them in the registry entry; get the values from the project itself.

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writ — questions

Answers built from our own checks of this server.

Why is there no uptime for writ?
writ runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the pypi package writ-mcp was installed 179 times last week.
How do I connect writ?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls writ-mcp straight from pypi; nothing to host, nothing to sign up for.
How many people use writ?
The pypi package writ-mcp was installed 179 times in the last week. Week over week that is -88%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is writ open source?
Yes — it is published under the MIT licence, written in Python, 2 stars on GitHub and 4 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.