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spendtron

Official registry Developer tools

Finds the GitHub Actions workflow eating your CI bill and suggests fix diffs, verified against runs.

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http spendtron 'https://spendtron.com/mcp' --header 'Authorization: <Bearer token: your spendtron API key, shown once after installing the GitHub App at https://spendtron.com/github/install>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "spendtron": {
            "type": "http",
            "url": "https://spendtron.com/mcp",
            "headers": {
                "Authorization": "<Bearer token: your spendtron API key, shown once after installing the GitHub App at https://spendtron.com/github/install>"
            }
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. spendtron
  2. Status
  3. Setup
  4. Test

spendtron

A read-only tool that finds which GitHub Actions workflow is eating your CI bill, ranks workflows and repos by real compute cost, and suggests pasteable fix diffs (missing cache, missing timeout-minutes) confirmed against real run timing — not estimates.

Delivered as an MCP server — call check_actions_cost from Claude, ChatGPT, or any MCP-compatible client, no dashboard required. Auth is a GitHub App (read-only: Actions + Contents + Metadata) plus a spendtron API key, passed as a bearer token. The cost ranking and one confirmed fix diff are free on every call. Unlocking the full fix list is a one-time $39 payment via Stripe — not a subscription.

The underlying audit logic started as ~/code/ci-audit/actions-teardown.sh (bash + gh api) — lib/auditActions.js is the same algorithm, ported to run per-installation against many customers' orgs instead of one local gh-authenticated user.

Status

Real product, not a waitlist — see HANDOFF.md/FINDINGS.md/CARRD.md in ~/code/ci-audit for the history of how this got here (an earlier waitlist-and-post-to-Reddit attempt correctly got abandoned; the audit logic itself was always real).

The GitHub App must be public (GitHub → spendtron-app → Advanced → Make this GitHub App public) so anyone can hit Connect GitHub. That toggle lives in the GitHub UI, not this repo.

Setup

  1. Copy .env.example to .env.local (or set these in Cloud Run's Secret Manager for prod).
  2. Create a GitHub App at github.com/settings/apps/new — slug spendtron-app, permissions: Actions: Read-only, Contents: Read-only, Metadata: Read-only. Callback URL: <your deployed host>/github/callback. Make the App public before sending customers to /github/install.
  3. Create a Neon Postgres database, run db/schema.sql against it.
  4. Create a one-time Stripe Price (not recurring) for the fix-diff unlock; put its ID in STRIPE_UNLOCK_PRICE_ID. Point a Stripe webhook at /stripe/webhook for checkout.session.completed. (STRIPE_PRICE_ID and the Customer Portal are legacy from an earlier $99/mo model — no longer wired into any live checkout flow.)
  5. Map both spendtron.com and www.spendtron.com to the Cloud Run service (www should CNAME to ghs.googlehosted.com at Squarespace). The app 301s www → apex.
  6. Privacy / terms for Stripe: https://spendtron.com/privacy and https://spendtron.com/terms.
  7. npm install && npm start.

Test

npm test — covers the cost-math port (must match actions-teardown.sh's bash/awk exactly) and API-key auth, against a mocked GitHub client (no live credentials needed for these).

Frequently asked questions

What is spendtron?

Finds the GitHub Actions workflow eating your CI bill and suggests fix diffs, verified against runs.

How do I install spendtron?

It runs as a remote server. In Claude Code: claude mcp add --transport http spendtron 'https://spendtron.com/mcp' --header 'Authorization: <Bearer token: your spendtron API key, shown once after installing the GitHub App at https://spendtron.com/github/install>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does spendtron need an API key?

Yes. It expects Authorization, which you set in its configuration.

Is spendtron open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains spendtron?

It is published by swantron. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.