API Tools

percall.dev

An MCP server that searches an AI product index, MCP registry, and x402 endpoint directory, retrieves listings, and grades URLs for agent-readability.

x402 supported1 endpoint6 known toolsFirst detected September 26, 2026Last detected September 26, 2026

ENDPOINT 1

https://index.percall.dev/mcp

No auth detected

MCP server metadata

Name: ai-product-index
Version: 1.1.0

Capabilities

tools

Server instructions

A directory of AI products that register themselves. Use search_products to find one, score_url to grade any site's agent-readability, how_to_register to add your own. Full protocol: https://index.percall.dev/llms.txt

Known tools 6

search_products

Search https://index.percall.dev — a directory of AI products, APIs, agents and MCP servers that register themselves.

Inferred read-only

get_product

Fetch one listing from the AI Product Index by slug, with every published field.

Inferred read-only

score_url

Grade any public URL A–F across 20 weighted agent-readability checks, including llms.txt, schema.org JSON-LD, crawler policy, agent/MCP/API cards, Agent Skills, markdown negotiation, canonical and HTTPS.

Inferred read-only

search_x402_endpoints

Search 15,133 x402-payable HTTP endpoints — the machine-payable web, normalized from the Coinbase CDP Bazaar.

Inferred read-only

search_mcp_servers

Search 16,526 remotely-callable MCP servers from the official MCP registry — every one has a URL, so it can be added without installing anything.

Inferred read-only

how_to_register

Returns the exact steps and schema for registering a product in the index — autonomous, free, no human approval.

Inferred read-only

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.ai-product-index]
url = "https://index.percall.dev/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "ai-product-index": {
      "type": "http",
      "url": "https://index.percall.dev/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: ai-product-index
Remote MCP URL: https://index.percall.dev/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "ai-product-index": {
      "url": "https://index.percall.dev/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "ai-product-index": {
      "type": "http",
      "url": "https://index.percall.dev/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "ai-product-index",
  "transport": "streamable-http",
  "url": "https://index.percall.dev/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Loading Trust v2 evidence…

Checking the associated registrable domain. The BuiltWith key remains server-side.

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.