# three.ws 3D Agent Tools (MCP server)

> three.ws 3D Agent Tools is an MCP server that adds tools to AI assistants such as Claude Desktop, Claude Code and Cursor. MCP tools from three.ws: free + paid text-to-3D, rigging, agent reputation, market intel. It has 226 GitHub stars, is released under the Apache-2.0 license and runs locally with npx -y @three-ws/mcp-server.

MCP tools from three.ws — free text→3D plus paid text/image→3D, avatars, rigging, agent reputation, and more. Paid calls settled per call in USDC.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/nirholas/three.ws |
| GitHub stars | 226 |
| License | Apache-2.0 |
| Language | JavaScript |
| Transport | stdio |
| Packages | npm: @three-ws/mcp-server |
| Remote URL | none |
| Needs API key | no |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | Other |
| Latest release | v1.5.2 (Sep 30, 2026) |
| Last commit | Oct 7, 2026 |
| MCP registry name | io.github.nirholas/3d-agent-mcp |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "three-ws-3d-agent-tools": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/mcp-server"
      ],
      "env": {
        "HELIUS_API_KEY": "your-value"
      }
    }
  }
}
```

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

### Claude Code

```sh
claude mcp add --env HELIUS_API_KEY=your-value --transport stdio three-ws-3d-agent-tools -- npx -y @three-ws/mcp-server
```

### Cursor (.cursor/mcp.json)

```json
{
  "mcpServers": {
    "three-ws-3d-agent-tools": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/mcp-server"
      ],
      "env": {
        "HELIUS_API_KEY": "your-value"
      }
    }
  }
}
```

Project file; use ~/.cursor/mcp.json to enable it in every project.

### VS Code (.vscode/mcp.json)

```json
{
  "inputs": [
    {
      "type": "promptString",
      "id": "helius_api_key",
      "description": "HELIUS_API_KEY",
      "password": true
    }
  ],
  "servers": {
    "three-ws-3d-agent-tools": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/mcp-server"
      ],
      "env": {
        "HELIUS_API_KEY": "${input:helius_api_key}"
      }
    }
  }
}
```

Config formats checked against the official docs on 2026-10-07.

## Environment variables

- `MCP_SVM_PAYMENT_ADDRESS`: Solana address that receives USDC when a client pays for a tool call (falls back to X402PAYTOSOLANA / X402PAY_TO). Required to settle paid tools.
- `SOLANA_RPC_URL`: Solana mainnet RPC endpoint. Defaults to the public cluster — bring your own (Helius / Quicknode / Triton) for production traffic.
- `HELIUS_API_KEY` (secret): Optional Helius API key — enables exact supply and richer DAS data in pump.fun snapshots.

## Tools

- `forge_free`: Free
- `mesh_forge`: $0.25
- `rig_mesh`: $0.20
- `forge_avatar`: $0.45
- `text_to_avatar`: $0.15
- `refine_model`: $0.25
- `restyle_material`: $0.05
- `get_pose_seed`: $0.001
- `pump_snapshot`: $0.005
- `sentiment_pulse`: $0.003
- `vanity_grinder`: $0.05
- `vanity_premium`: FREE
- `aixbt_intel`: $0.01
- `aixbt_projects`: $0.01
- `crypto_news`: FREE
- `crypto_news_digest`: FREE
- `crypto_news_archive`: FREE tier
- `agent_reputation`: $0.01
- `agent_delegate_action`: $0.01
- `agent_hire_discover`: $0.01
- `agent_hire`: $0.05
- `ens_sns_resolve`: $0.0005
- `agenc_list_tasks`: $0.001
- `agenc_get_task`: $0.001
- `agenc_get_agent`: $0.001

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