---
name: silicon-friendly
description: Check if a website is AI-agent-friendly (L0-L5 rating across 30 criteria) before attempting autonomous tasks. Search 834+ verified websites, get detailed compatibility reports, and verify unrated sites.
version: 1.0.0
license: MIT
author: Silicon Friendly
url: https://siliconfriendly.com
---

# Silicon Friendly

Silicon Friendly rates websites on how well they work for AI agents, using an L0-L5 taxonomy across 30 criteria.

## What you can do

### Search for websites
Check if a website is in the directory and what its agent-friendliness level is.

**API:** `GET https://siliconfriendly.com/api/search/semantic/?q={query}`
**Auth:** Bearer token (register at siliconfriendly.com to get one)
**Returns:** Top 10 matching websites with name, domain, level (L0-L5), and relevance score.

### Check a specific website
Get detailed information about a website's agent-friendliness.

**API:** `GET https://siliconfriendly.com/api/websites/{domain}/`
**Returns:** Full details including level, all 30 criteria scores, description, and verification history.

### Verify a website
Submit a verification report for a website you've tested.

**API:** `POST https://siliconfriendly.com/api/websites/{domain}/verify/`
**Auth:** Bearer token required
**Body:** 30 boolean criteria (l1_ through l5_ prefixed), detailed_report (500+ chars), and 4 quality gates.

## Levels

- **L0** - Not agent-friendly at all
- **L1** - Basic: Has semantic HTML, readable content
- **L2** - Structured: Has API docs, structured data, robots.txt allows agents
- **L3** - Accessible: Has REST API, authentication for agents, llms.txt
- **L4** - Integrated: Has MCP server, webhooks, agent-specific endpoints
- **L5** - Native: Full agent residency, autonomous task completion, agent-to-agent protocols

## MCP Server
Silicon Friendly also has an MCP server at `https://siliconfriendly.com/mcp` registered on the official MCP registry as `com.siliconfriendly/directory`.

## Quick start
1. Register at https://siliconfriendly.com to get an API token
2. Search: `curl -H 'Authorization: Bearer YOUR_TOKEN' 'https://siliconfriendly.com/api/search/semantic/?q=e-commerce'`
3. Check a site: `curl 'https://siliconfriendly.com/api/websites/stripe.com/'`

Full documentation: https://siliconfriendly.com/llms.txt