Open-Source Developer Utility • MIT License • Node.js >= 18

AgentIndex MCP & /llms.txt Discovery CLI

Direct Answer • Programmatic Agent Discovery The AgentIndex Discovery CLI (mcp-registry.mjs) is a zero-dependency Node.js utility that queries verified AI agents, inspects typed JSON-RPC 2.0 Model Context Protocol (MCP) tool definitions at https://directory.omnitoolcalc.com/mcp, and checks editorial citations over standard HTTPS without browser rendering or interactive gates.

Download mcp-registry.mjs → OpenAPI 3.1 Schema Read 2026 MCP & LLM FinOps Study ↗

1. Zero-Install Quickstart (macOS / Linux / CI)

curl -fsSLO https://directory.omnitoolcalc.com/cli/mcp-registry.mjs
node mcp-registry.mjs mcp-tools
node mcp-registry.mjs search "browser"
node mcp-registry.mjs inspect firecrawl-llm-scraper

2. CLI Command & Protocol Reference

Command	Target Endpoint	Protocol	Returned Payload
`search [query]`	`GET /api/tools?q=...`	REST JSON	Filtered AI agents, MCP servers, pricing model & verification tier
`inspect <slug>`	`GET /api/tools/:slug`	REST JSON	Full tool profile, outbound relation & machine-readable metadata
`mcp-tools`	`POST /mcp`	JSON-RPC 2.0	Live Model Context Protocol `tools/list` schema definitions
`verify-citation <url>`	`POST /api/verify-backlink`	REST JSON	Automated single-page contextual citation check