Policy checks for AI agent writes (ALLOW/DENY/STEP_UP) with a tamper-evident audit log.
Connect Runs on your machine
claude mcp add writ -e WRIT_API_KEY=<WRIT_API_KEY> -e WRIT_SPONSOR_TOKEN=<WRIT_SPONSOR_TOKEN> -e WRIT_BASE_URL=<WRIT_BASE_URL> -- uvx writ-mcp==0.2.2
{
"mcpServers": {
"writ": {
"command": "uvx",
"args": [
"writ-mcp==0.2.2"
],
"env": {
"WRIT_API_KEY": "<WRIT_API_KEY>",
"WRIT_SPONSOR_TOKEN": "<WRIT_SPONSOR_TOKEN>",
"WRIT_BASE_URL": "<WRIT_BASE_URL>"
}
}
}
}
{
"mcpServers": {
"writ": {
"command": "uvx",
"args": [
"writ-mcp==0.2.2"
],
"env": {
"WRIT_API_KEY": "<WRIT_API_KEY>",
"WRIT_SPONSOR_TOKEN": "<WRIT_SPONSOR_TOKEN>",
"WRIT_BASE_URL": "<WRIT_BASE_URL>"
}
}
}
}
{
"servers": {
"writ": {
"type": "stdio",
"command": "uvx",
"args": [
"writ-mcp==0.2.2"
],
"env": {
"WRIT_API_KEY": "<WRIT_API_KEY>",
"WRIT_SPONSOR_TOKEN": "<WRIT_SPONSOR_TOKEN>",
"WRIT_BASE_URL": "<WRIT_BASE_URL>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
WRIT_API_KEYRequired, secret | Writ API key (get one free at https://withwrit.com) |
WRIT_SPONSOR_TOKENOptional, secret | Writ sponsor token, only required for sponsor tools (grant, revoke, reinstate) |
WRIT_BASE_URLOptional | Optional custom Writ API base URL (default: https://api.withwrit.com) |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 13 Nov 2026 |
| Last updated | 13 Nov 2026 |
| Registry name | io.github.withwrit/writ |
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