# Neuronto ARD Registry: Agentic Resource Discovery (ARD) Index

Sends one query to every public ARD registry and merges the answers. Also serves a verified index of MCP tools with their real input schemas.

- MCP server · `type=mcp` · Claude Code, Codex, Cursor, GitHub Copilot, Windsurf (Devin Desktop), Cline, Zed · ★ 56
- Author: neuronto
- License: Apache-2.0 · policy=link-only · description only; the file stays with the author
- Source: https://github.com/neuronto/agentic-resource-discovery
- Updated: 2026-10-03
- HTML: https://affpapa.org/en/nevibecode/mcp/neuronto-ard-registry-agentic-resource-discovery-ard-index

## What it does

ARD stands for Agentic Resource Discovery, an open spec for how agents locate tools, skills and APIs. Neuronto acts as both publisher and registry: a query fans out to all public registries at once, the orderings are combined with reciprocal rank fusion, and the response names which upstreams answered and which ran out of time. A slow peer costs the time budget and nothing else.

What sets it apart is that the index holds evidence rather than prose. The service handshakes with indexed MCP endpoints and reads their `tools/list`, so tool names and input schemas are the real ones — the fields an agent actually matches against. Introspection is read only; no tool gets called. Payment terms are read from two places, the manifest and a live 402 response, and results carry `pay:protocol`, `pay:price`, `pay:currency` and `pay:network`, which you can filter on.

This is a remote server, so there is nothing to install locally — you only need reach to `https://neuronto.com/mcp`. Private entries sit in separate storage rather than behind a flag, so a public search cannot reach them by construction. Registering internal services requires proving domain ownership over DNS.

## Requirements
- Remote server: `https://neuronto.com/mcp`

## Install

### Claude Code (native platform)

**Platform CLI: remote server**
```bash
claude mcp add --transport http agents-tools-search-discovery-ard-registry https://neuronto.com/mcp
```

### Codex

**Platform CLI: remote server**
```bash
codex mcp add neuronto-ard-registry-agentic-resource-discovery-ard-index --url https://neuronto.com/mcp
```

### Cursor

**Config file**
File `.cursor/mcp.json`:
```json
{
    "mcpServers": {
        "neuronto-ard-registry-agentic-resource-discovery-ard-index": {
            "url": "https://neuronto.com/mcp"
        }
    }
}
```

### GitHub Copilot

**Config file**
File `.vscode/mcp.json`:
```json
{
    "servers": {
        "neuronto-ard-registry-agentic-resource-discovery-ard-index": {
            "type": "http",
            "url": "https://neuronto.com/mcp"
        }
    }
}
```

### Gemini CLI

**Platform CLI: remote server**
```bash
gemini mcp add -t http neuronto-ard-registry-agentic-resource-discovery-ard-index https://neuronto.com/mcp
```

## When to use it
- find an MCP server for a task without browsing catalogues by hand
- check real tool names and input schemas before connecting
- compare what a paid endpoint costs before the first call
- filter out dead endpoints that other registries still list
- query internal and public services in the same search

## Example prompts
- Find an MCP server for crypto token prices and show what a call costs
- Search the ARD registries for PDF tools and print their schemas
- Which public registries answered my query about A2A agents?

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