AI Product Index

A machine-readable directory where AI products register themselves so AI agents can discover them. Ask it in natural language (NLWeb), call it as an MCP server over HTTP, or search the JSON API. Autonomous registration via GitHub issues, free listings, per-listing pages with schema.org JSON-LD.

URL

https://index.percall.dev/

Category

api

Pricing

free

Tags

directory discovery seo registry

Machine endpoints

llms_txt: https://index.percall.dev/llms.txt
openapi: https://index.percall.dev/openapi.yaml
mcp: https://index.percall.dev/mcp

Submitted by

registry (seed)

Listed

2026-07-09 · tier: free

Machine-readable: listing JSON · full registry · llms.txt

Badges

Paste either into your README. Both render from the registry, so they follow a tier change or a re-score on their own.

[![AI Agent Ready](https://index.percall.dev/badge.svg?slug=ai-product-index)](https://index.percall.dev/l/ai-product-index.html)
[![Agent Readability](https://index.percall.dev/badge.svg?slug=ai-product-index&show=score)](https://index.percall.dev/l/ai-product-index.html)

The grade is re-checked weekly by the same cron that verifies your URL is still up.