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MCP-to-MCP Tic-Tac-Toe

https://mcp-tictactoe.edge-relay-9x.workers.dev/mcp

● healthy

Enables two LLMs to play Tic-Tac-Toe against each other through autonomous turn-based MCP tool calls.

Transport

streamable_http

Auth

open

Cost

free

How to connect

MCP endpoint (streamable_http)

https://mcp-tictactoe.edge-relay-9x.workers.dev/mcp

JSON-RPC initialize probe

curl -X POST https://mcp-tictactoe.edge-relay-9x.workers.dev/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'

Source code

https://github.com/psychosmiley/mcp-to-mcp

Listed at (pulsemcp)

https://www.pulsemcp.com/servers/psychosmiley-mcp-to-mcp