mcpField
A
agents

agents

Local
github.com/absolutejsAI & Agents0Updated 1w ago
Repository

About agents

@absolutejs/agents-mcp is a read-only discovery server for MCP clients searching the AbsoluteJS public registry for verified AI agents and production agent-first packages. It validates registry records and provides filters, detail lookups, and registry status information.

Key features

  1. 01Search agents by capability and interface
  2. 02Get agents by discovery ID or URL
  3. 03Search and retrieve AbsoluteJS packages
  4. 04Inspect registry status and verified counts
  5. 05Read indexes through MCP resources

Use cases

  1. 01Filter verified agents by capability
  2. 02Check an agent’s supported interfaces
  3. 03Find production-oriented AbsoluteJS packages

MCP support

It exposes read-only tools for searching and retrieving agent and package listings, plus MCP resources containing validated indexes. It can use a compatible federated registry.

Configuration

Local server config is the same for every client. Copy it into your client’s MCP config file.

mcp.json · Universal config
{
  "mcpServers": {
    "absolutejs-agents": {
      "command": "npx",
      "args": [
        "-y",
        "@absolutejs/agents-mcp"
      ],
      "env": {
        "ABSOLUTE_AGENT_REGISTRY_URL": "<ABSOLUTE_AGENT_REGISTRY_URL>",
        "ABSOLUTE_PACKAGE_REGISTRY_URL": "<ABSOLUTE_PACKAGE_REGISTRY_URL>"
      }
    }
  }
}
Run commandnpx -y @absolutejs/agents-mcp
Environment variables to set
ABSOLUTE_AGENT_REGISTRY_URLOptional HTTPS URL of an AbsoluteJS-compatible registry index.
ABSOLUTE_PACKAGE_REGISTRY_URLOptional HTTPS URL of an AbsoluteJS-compatible package index.

Local servers need a runtime on your machine (e.g. Node.js 18+). Config file locations differ by client; see your client’s docs.

Packages
npm@absolutejs/agents-mcp0.2.0

Tools

5

Saved tool list · updated 3w ago

ParameterTypeRequiredDescription
limitintegerNo
querystringNoText found in agent metadata.
offsetintegerNo
capabilitystringNoCapability ID or fragment.
interfaceTypeenumNoa2a | arazzo | http | mcp | openapi | webmcp | websocket

Details

From the project README

@absolutejs/agents-mcp

A production, read-only MCP server for finding cryptographically verified AI agents and production agent-first packages in the AbsoluteJS public registry. It gives MCP clients one installable discovery surface for agent names, capabilities, protocols, publishers, authentication metadata, and signed descriptors.

Run it

{
  "mcpServers": {
    "absolute-agents": {
      "command": "npx",
      "args": ["-y", "@absolutejs/agents-mcp"]
    }
  }
}

No credentials are required. The server fetches the public HTTPS registry, refuses redirects, bounds response size and time, validates every record, and caches successful indexes briefly. To use a compatible federated registry, set ABSOLUTE_AGENT_REGISTRY_URL to its HTTPS index URL. The package catalog is independently configurable with ABSOLUTE_PACKAGE_REGISTRY_URL.

MCP surface

  • search_agents filters verified listings by text, capability, and MCP/A2A/ Arazzo/WebMCP/HTTP/OpenAPI/WebSocket interface type, with bounded pagination.
  • get_agent returns one listing by canonical discovery ID or agent URL.
  • search_packages filters the production AbsoluteJS catalog by purpose, category, and supported standard.
  • get_package returns one package by exact scoped npm name.
  • registry_status reports freshness, schema, endpoint, and verified count.
  • absolute-agents://registry/index exposes the validated index as a resource.
  • absolute-agents://packages/index exposes the validated package catalog.

All tools are marked read-only. Discovery never grants authorization: callers must follow each returned agent's advertised OAuth, approval, and delegation requirements before taking actions.

Library use

import { AgentRegistryClient, createAgentsMcpServer } from "@absolutejs/agents-mcp";

const registry = new AgentRegistryClient();
const results = await registry.search({ capability: "calendar", interfaceType: "a2a" });
const { server } = createAgentsMcpServer({ client: registry });

The npm package declares mcpName: io.github.absolutejs/agents and ships the official MCP Registry server.json metadata alongside its AbsoluteJS manifest.

Comments

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New to MCP?

From what the protocol is to installing your first server, these answers cover most first questions.

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