55 lines
1.8 KiB
Python
55 lines
1.8 KiB
Python
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#!/usr/bin/env python3
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"""Minimal stdio MCP-ish echo server for LazyBoy Tool Manager fixtures.
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Speaks a tiny JSON-RPC subset: initialize, tools/list, tools/call.
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Not a substitute for a full MCP SDK; used to prove install → bind → call.
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"""
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import json
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import sys
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def reply(message_id, result):
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sys.stdout.write(json.dumps({"jsonrpc": "2.0", "id": message_id, "result": result}) + "\n")
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sys.stdout.flush()
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def main():
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for line in sys.stdin:
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line = line.strip()
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if not line:
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continue
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request = json.loads(line)
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method = request.get("method")
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message_id = request.get("id")
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if method == "initialize":
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reply(message_id, {"protocolVersion": "2025-11-25", "serverInfo": {"name": "lazyboy-echo"}})
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elif method == "tools/list":
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reply(
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message_id,
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{
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"tools": [
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{
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"name": "echo",
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"description": "Echo text from the bound Computer",
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"inputSchema": {
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"type": "object",
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"properties": {"text": {"type": "string"}},
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"required": ["text"],
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},
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}
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]
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},
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)
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elif method == "tools/call":
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args = (request.get("params") or {}).get("arguments") or {}
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text = args.get("text", "")
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reply(message_id, {"content": [{"type": "text", "text": text}]})
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elif method == "notifications/initialized":
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continue
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else:
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reply(message_id, {"error": f"unknown method {method}"})
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if __name__ == "__main__":
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main()
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