Install

One command. Local MCP, ready.

The Watchpost helper finds supported local MCP hosts on your computer (Claude Desktop and Cursor), opens a browser tab so you can confirm it's you, and writes the right config files. About a minute, no terminal expertise required. Not on a desktop MCP host? There are four more ways in ↓

Install on macOS
npx @watchpost/mcp install

Open Terminal (Cmd+Space → "Terminal") and paste this in.

Needs Node.js 20 or newer. Don't have it? The installer will tell you and link to the Node download.
01

Run the helper

Open your terminal and paste the command. The installer downloads itself, runs once, and exits — nothing stays resident.

02

Confirm in the browser

A browser tab opens to confirm it's you. Sign in (or sign up — takes 10 seconds), click Connect.

03

Restart your agent

The helper writes the config and asks you to restart Claude Desktop or reload Cursor. Your agent then has Watchpost's verdict tools and instructions available before it pays.

Other ways to connect

Wherever your agent shops, there's a door in.

The one-command installer above covers desktop MCP hosts. The same verdict — merchant, listing, your rules — is one step away on every other surface too.

Skill

Live

For OpenClaw, Hermes, and any Agent Skills runtime. Drop in the Watchpost skill and your agent checks every purchase before it pays.

Published as `watchpost` on ClawHub · MIT-0
Open on ClawHub →

Direct API

Live

Building your own agent? Send the cart to POST /v1/verify with a connection token and act on the approve / review / block verdict. Native ACP and AP2 adapters included.

One endpoint, one token
See the docs →

Browser extension

Beta

Guards the ungoverned path — an agent (or you) clicking through a normal web checkout, where no payment protocol is involved. Watches for the Place-order click and gates it.

Prototype · side-load for now, store listing soon

Phone companion

Coming soon

Approve or block a flagged purchase from a push notification on your phone, and see everything your agents have tried. The watchtower in your pocket.

Android beta · iOS to follow
Already installed?

Run the diagnostic.

The doctor command shows which of your agents are connected, where their configs live, and what's still missing.

npx @watchpost/mcp doctor

Behind the scenes the helper is @watchpost/mcp, an open-source CLI. It writes to your agents' standard MCP config files — same format Anthropic, OpenAI, and Cursor document — so anything you wire up by hand keeps working alongside it.

To remove later, run npx @watchpost/mcp uninstall.