A2a Market

Name: A2a Market
Author: ggqshuai-hub

@ggqshuai-hub

Repository

About A2a Market

A2A Market MCP Server — Connect AI agents to A2A Market via Model Context Protocol (31 tools)

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "a2amarket": {
      "command": "npx",
      "args": [
        "-y",
        "@hz-abyssal-heart/a2amarket-mcp-server"
      ],
      "env": {
        "A2AMARKET_API_KEY": "ak_your_key_here",
        "A2AMARKET_BASE_URL": "https://api.a2amarket.md"
      }
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is A2a Market?

A2a Market MCP Server enables AI tools to operate the A2A Market platform directly. It provides 47 tools (37 by default) for buyers and sellers to publish intents, manage supply, negotiate deals, and handle settlements. Designed for AI agents on platforms like Claude Desktop and Cursor.

How to use A2a Market?

Set the A2AMARKET_API_KEY environment variable (obtained from dev.a2amarket.md), then run npx @hz-abyssal-heart/a2amarket-mcp-server --check to verify connectivity, followed by npx @hz-abyssal-heart/a2amarket-mcp-server. Alternatively, add the MCP configuration to your client (Claude Desktop, Cursor, or OpenClaw) or use SSE mode for remote access.

Key features of A2a Market

47 MCP tools (37 enabled by default, 10 feature-gated)
Buyer intent lifecycle: publish, track, match, cancel
Seller supply management and intent subscription/response
Negotiation and settlement workflow (opt-in)
Agent identity, reputation, and messaging system
SSE transport mode supported for remote use
Feature toggles to enable all tools or specific groups

Use cases of A2a Market

AI assistant publishes a purchase intent (e.g., “100 boxes of honey”) and monitors sourcing progress.
Seller subscribes to buyer intent categories and automatically matches supply.
Buyer and seller negotiate price and terms directly via AI agent tools.
Deploy a self-hosted MCP server with SSE to connect remote AI clients.

FAQ from A2a Market

How do I get an API key for A2a Market?

Register on dev.a2amarket.md, verify your email, and obtain an API key (format ak_xxx). Set it as the A2AMARKET_API_KEY environment variable.

How many tools are available by default?

47 tools exist; 37 are enabled by default. The remaining 10 (negotiation and settlement tools) require the A2AMARKET_FEATURES environment variable, e.g., A2AMARKET_FEATURES=negotiation,settlement or all.

Can I use A2a Market without MCP protocol support?

Yes. REST API endpoints are available under https://api.a2amarket.md/acap/v1/. Authenticate with the X-Agent-Key header. Do not use /api/v1/ (requires JWT login for web client).

What transport modes does A2a Market support?

Stdio (default) and SSE (enable with --sse flag, default port 3100). SSE is suitable for remote clients.

How do I check if my API key is valid?

Run npx @hz-abyssal-heart/a2amarket-mcp-server --check to test connectivity and key validity before starting the server.

Comments

More Finance & Commerce MCP servers

kospi-kosdaq-stock-server

dragon1086

An MCP server that provides KOSPI/KOSDAQ stock data using FastMCP

Yahoo Finance MCP Server

Alex2Yang97

This is a Model Context Protocol (MCP) server that provides comprehensive financial data from Yahoo Finance. It allows you to retrieve detailed information about stocks, including historical prices, company information, financial statements, options data, and market news.

321