LeashIndex Get the report

MCP server pre-publish check

See how your next release will read in the index before you ship it: its declared exposure, what the permission changelog will say about it, and where it would stand among 22,849 listed servers. Run in your browser — an unreleased manifest never leaves your machine.

Know what your release changes before your users do

The score is free. Unlocking adds what a maintainer needs before publishing:

  • The exact entry the permission changelog and its feed would carry for this release
  • Where the manifest would stand: how many listed servers declare less, the same and more
  • Every tool that sends, deletes or moves money, and whether your annotation or its name said so
  • Every tool with no read-only or destructive annotation, which the index had to classify from its name
  • As many checks as you like, for any server, for 30 days
$29 One-time · no account
Re-check every release for 30 days
Unlock the check → $29 is the whole amount: any tax is already in it. Checkout is run by Link, by Stripe, so that is the name on your statement. Your manifests are never sent — only the payment travels.

Paste a tools/list response to see its declared exposure. The score is free.

Good to know

Are my manifests uploaded?

No. Everything is computed on this page, which cannot make network requests. When you buy, your browser goes to Link's checkout and back; only the payment travels.

How do I get my server's tools/list response?

Call tools/list on your server after the handshake, with the MCP Inspector or any client, and paste the JSON it returns — either the whole reply or just its result.

Does this change my listing?

No. The check tells you how a manifest would read. Buying it does not change, reserve or promise any listing, score or ranking — see Independence. A listing changes only when the weekly crawl reads your published server, or when you submit a manifest and prove you maintain it.

Is the score the same one the index will show?

It is computed by the same code from the manifest you paste. The index scores the manifest your published server returns, so the two match when the manifests do.

Who am I buying from?

Link, by Stripe is the merchant of record: Stripe takes the payment, handles the tax and sends your receipt, and your statement will say sold through Link. The check itself is ours.

Can I get a refund?

Yes. If the check does not work as this page describes, ask within 14 days from the receipt Link sent you when you paid. Terms.