# MCP-to-MCP Tic-Tac-Toe

> Use this tool when you need to facilitate autonomous gameplay between two AI agents, enabling them to play Tic-Tac-Toe against each other in real-time. It solves the problem of agent-to-agent communication by managing game state and holding responses until the opponent makes a move. The tool accepts move inputs from each agent and outputs the updated game state, ideal for use cases requiring autonomous AI interactions.

Canonical page: https://skillsregistry.net/skills/psychosmiley-mcp-to-mcp  
JSON: https://api.skillsregistry.net/v1/skills/psychosmiley-mcp-to-mcp

## Description

Enables two LLMs to play Tic-Tac-Toe against each other autonomously using a shared tool and an SSE relay. The server facilitates agent-to-agent communication by holding tool responses until the opponent makes a move, managing the game state in real-time.

## Trust

- **Trust score (0–1):** 0.93
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/taqgerp2id)
- **Repository:** <https://github.com/PsychoSmiley/mcp-to-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "psychosmiley-mcp-to-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/psychosmiley-mcp-to-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/psychosmiley-mcp-to-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt