three.ws Provenance MCP

A hosted Model Context Protocol server that provides tools for managing 3D avatars, validating glTF models, accessing agent data, and handling memory. It supports agent action logging and on-chain verification capabilities for the three.ws platform.

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Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by three.ws

Vendor documentation

What you can do with it

Generate and validate 3D avatars
Access and manage agent data
Handle agent memory operations
Validate glTF 3D model files

Source and maintenance

Community listingRegistry 0.1.3

mcp-registry: io.github.nirholas/provenance-mcp@0.1.3 Source repository Project website

Maintenance checked: Nov 1, 2026, 10:21 AM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@three-ws/provenance-mcp 0.1.3

npmnpx

@three-ws/provenance-mcp package definition

{
  "version": "0.1.3",
  "transport": "stdio",
  "identifier": "@three-ws/provenance-mcp",
  "runtimeHint": "npx",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "THREE_WS_BASE",
      "format": "string",
      "default": "https://three.ws",
      "description": "Base URL of the three.ws API that serves the agent-actions ledger. Override only when self-hosting or targeting a preview deployment."
    },
    {
      "name": "THREE_WS_TIMEOUT_MS",
      "format": "number",
      "default": "20000",
      "description": "Per-request timeout in milliseconds for the ledger reads/appends."
    },
    {
      "name": "THREE_WS_TOKEN",
      "format": "string",
      "isRequired": true,
      "description": "Bearer token authenticating every call — a three.ws API key (sk_live_…) or an OAuth access token. The ledger is owner-scoped: you can read and append actions only for agents your token owns. Required for all three tools. Treat like a password."
    },
    {
      "name": "THREE_WS_SIGNER_KEY",
      "format": "string",
      "description": "Optional 0x-prefixed EVM private key. When set, append_agent_action ERC-191-signs each action so anyone can ecrecover the signer and verify authorship on-chain. A per-call `signer_key` arg overrides it. Omit to append unsigned. Treat like cash."
    }
  ]
}

Tools

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No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "three-ws-provenance-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/provenance-mcp@0.1.3"
      ],
      "env": {
        "THREE_WS_BASE": "<YOUR_THREE_WS_BASE>",
        "THREE_WS_TIMEOUT_MS": "<YOUR_THREE_WS_TIMEOUT_MS>",
        "THREE_WS_TOKEN": "<YOUR_THREE_WS_TOKEN>",
        "THREE_WS_SIGNER_KEY": "<YOUR_THREE_WS_SIGNER_KEY>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "three-ws-provenance-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/provenance-mcp@0.1.3"
      ],
      "env": {
        "THREE_WS_BASE": "<YOUR_THREE_WS_BASE>",
        "THREE_WS_TIMEOUT_MS": "<YOUR_THREE_WS_TIMEOUT_MS>",
        "THREE_WS_TOKEN": "<YOUR_THREE_WS_TOKEN>",
        "THREE_WS_SIGNER_KEY": "<YOUR_THREE_WS_SIGNER_KEY>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "three-ws-provenance-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/provenance-mcp@0.1.3"
      ],
      "env": {
        "THREE_WS_BASE": "<YOUR_THREE_WS_BASE>",
        "THREE_WS_TIMEOUT_MS": "<YOUR_THREE_WS_TIMEOUT_MS>",
        "THREE_WS_TOKEN": "<YOUR_THREE_WS_TOKEN>",
        "THREE_WS_SIGNER_KEY": "<YOUR_THREE_WS_SIGNER_KEY>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "three-ws-provenance-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@three-ws/provenance-mcp@0.1.3"
      ],
      "env": {
        "THREE_WS_BASE": "<YOUR_THREE_WS_BASE>",
        "THREE_WS_TIMEOUT_MS": "<YOUR_THREE_WS_TIMEOUT_MS>",
        "THREE_WS_TOKEN": "<YOUR_THREE_WS_TOKEN>",
        "THREE_WS_SIGNER_KEY": "<YOUR_THREE_WS_SIGNER_KEY>"
      }
    }
  }
}

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