# AgentNDX

> Use this tool when you need to discover and access quality-scored MCP servers and A2A agents through a curated registry. AgentNDX solves problems of server discovery and information retrieval, offering keyword search, server details, and statistics through its native MCP endpoint. It provides a free tier for manual searches and paid options for programmatic access, making it suitable for use cases requiring efficient and scalable server discovery and querying.

Canonical page: https://skillsregistry.net/skills/agentndx  
JSON: https://api.skillsregistry.net/v1/skills/agentndx

## Description

AgentNDX is a curated discovery registry for MCP servers and A2A agents, offering quality-scored search across 500+ hand-picked servers. Exposes a native MCP endpoint at agentndx.ai/mcp supporting four tools: keyword search with filtering, server detail retrieval, category browsing, and statistics access. Free tier provides keyword search; API Pro ($29/month) and pay-per-request via x402 protocol ($0.005/query) unlock programmatic access. Supports the x402 micropayment standard for agentic web querying.

## Trust

- **Trust score (0–1):** 0.30
- **Verification tier:** unverified
- **Last scanned:** 2026-09-03

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-09-03

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/agentndx)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "agentndx"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/agentndx` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/agentndx/pull`

---
SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt