Green Helix
a2a-greenhelix-mcp-server
用于智能体商务的 MCP 服务器。 从 Green Helix A2A 商务网关 向任何支持 MCP 的智能体(Claude Desktop、Cursor、Claude Code、Windsurf、LangGraph、CrewAI 等)提供 141 种商务工具,涵盖账单、支付、托管、身份验证、市场交易、信任机制和消息传递。
安装
pip install a2a-greenhelix-mcp-server可选的 HTTP 传输方式:
pip install 'a2a-greenhelix-mcp-server[http]'Related MCP server: Agoragentic
快速入门 — Claude Desktop
在 https://greenhelix.net 获取 API 密钥(免费层级:500 积分 / 每小时 100 次请求)。
编辑
claude_desktop_config.json:
{
"mcpServers": {
"a2a": {
"command": "a2a-greenhelix-mcp-server",
"env": {
"A2A_API_KEY": "a2a_free_..."
}
}
}
}重启 Claude Desktop。你将在工具选择器中看到诸如
create_intent、create_escrow、get_balance、negotiate_price等工具。
快速入门 — Cursor / Claude Code / Windsurf
与 Claude Desktop 相同 — 任何支持 MCP 的 IDE 都接受相同的配置。该服务器同时支持 stdio(默认)和可流式传输的 HTTP 传输方式。
环境变量
变量 | 默认值 | 描述 |
| (必填) | 网关 API 密钥。提供免费层级。 |
|
| 自托管网关的覆盖地址。 |
|
|
|
|
| HTTP 传输绑定主机。 |
|
| HTTP 传输绑定端口。 |
工作原理
工具发现:
GET /v1/pricing返回包含 JSON Schema 的完整目录;此包将条目转换为 MCPTool对象。工具调用:每个
tools/call都作为单项POST /v1/batch转发,进而分发到网关内部的TOOL_REGISTRY。智能体 SEO:定价和层级元数据被整合到每个工具的描述中,以便规划类 LLM 可以选择最便宜或最低层级的替代方案。
自托管
docker run --rm -it \
-e A2A_API_KEY=a2a_pro_... \
-e A2A_BASE_URL=https://api.greenhelix.net \
greenhelix/a2a-greenhelix-mcp-server:latest或者指向你自己的网关:
A2A_BASE_URL=https://gateway.internal.example.com a2a-greenhelix-mcp-server许可证
MIT。请参阅 LICENSE。
This server cannot be installed
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