The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Install
One-click install
Remote serverClaude Code (no install link, copy and run)
$
claude mcp add --transport http gtm-mcp-server https://gtm-mcp.stape.io/mcpButtons open the app on your computer and ask you to confirm before anything is added.
$
claude mcp add --transport http gtm-mcp-server https://gtm-mcp.stape.io/mcpmcp.json (Cursor, Claude Desktop, Windsurf)
{
"mcpServers": {
"gtm-mcp-server": {
"url": "https://gtm-mcp.stape.io/mcp"
}
}
}Install command taken from the project's README or registry entry. Always review code before running it.
README excerpt
Read full README on GitHub →MCP Server for Google Tag Manager
An interface to the Google Tag Manager API over MCP, in two flavours: a hosted server with Google OAuth built in, and a local CLI that runs on your own credentials.
Table of Contents
- MCP Server for Google Tag Manager
Repository layout
npm workspace with one app and two published packages:
| Path | Package | What it is |
|---|---|---|
apps/worker |
(private) | The hosted Cloudflare Worker at gtm-mcp.stape.io: Google OAuth, the approval flow, the public pages, session removal. |
packages/cli |
google-tag-manager-mcp-server |
The npm package: a local MCP server over stdio, authenticating with credentials you supply. |
packages/core |
google-tag-manager-mcp-core |
Every GTM tool and schema, independent of how credentials are obtained. |
Tools reach Google through a GtmAuthProvider (getAccessToken(): Promise<string>) rather than through any particular session, which is what lets the same tool set back both servers — and a private one with your own auth. See the core package README.
Installation
This server comes in two flavours: Hosted server and Local CLI. Both give you the same 20 GTM tools; the difference is who handles Google auth.
| Hosted server | Local CLI | |
|---|---|---|
| Auth | Google OAuth in your browser, handled for you | You supply a service account key, refresh token, or access token |
| Data | Passes through gtm-mcp.stape.io |
Only ever leaves your machine |
| Setup | None | Set one environment variable |
If you're a contributor testing an unreleased change rather than just using the tools, skip everything below and see Test your changes locally instead.
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