AI Plugin Index
three.ws Provenance
CommunityMCP server by nirholas · updated · ★ 241
Append-only, signed, on-chain-verifiable agent action log — record and audit what agents did. three.ws Provenance is a community project by nirholas, not verified by a company domain.
Last commit 4 days ago
Apache-2.0: permissive, fine for commercial use
Clear description, published package or server URL, 241 stars, original repository
Runs a script automatically when the package is installed
What you need
| Setting | Needed | What it is |
|---|---|---|
THREE_Environment variable, secret | Required | 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 passwo |
THREE_Environment variable | Optional | Base URL of the three.ws API that serves the agent-actions ledger. Override only when self-hosting or targeting a preview deployment. Default: https://three.ws |
THREE_Environment variable | Optional | Per-request timeout in milliseconds for the ledger reads/appends. Default: 20000 |
THREE_Environment variable, secret | Optional | 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 c |
From the publisher's entry in the official MCP Registry. Required settings are already in the install config below as placeholders.
Install three.ws Provenance
Built from the published package, never by AIclaude mcp add three-ws-provenance -e THREE_WS_TOKEN=YOUR_THREE_WS_TOKEN -- npx -y @three-ws/provenance-mcpRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"three-ws-provenance": {
"command": "npx",
"args": [
"-y",
"@three-ws/provenance-mcp"
],
"env": {
"THREE_WS_TOKEN": "YOUR_THREE_WS_TOKEN"
}
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"three-ws-provenance": {
"command": "npx",
"args": [
"-y",
"@three-ws/provenance-mcp"
],
"env": {
"THREE_WS_TOKEN": "YOUR_THREE_WS_TOKEN"
}
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"three-ws-provenance": {
"command": "npx",
"args": [
"-y",
"@three-ws/provenance-mcp"
],
"env": {
"THREE_WS_TOKEN": "YOUR_THREE_WS_TOKEN"
}
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add three-ws-provenance --env THREE_WS_TOKEN=YOUR_THREE_WS_TOKEN -- npx -y @three-ws/provenance-mcp{
"mcpServers": {
"three-ws-provenance": {
"command": "npx",
"args": [
"-y",
"@three-ws/provenance-mcp"
],
"env": {
"THREE_WS_TOKEN": "YOUR_THREE_WS_TOKEN"
}
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
Step-by-step: install three.ws Provenance in Antigravity CLI
gemini mcp add three-ws-provenance npx -y @three-ws/provenance-mcpGemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the three-ws-provenance block.
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Security check
B- Runs a script automatically when the package is installedIn
package.json:"postinstall":
Checked automatically: README.md, package.json. This looks for known risky patterns and is not a full audit. How grades work
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three.ws Provenance: common questions
How do I install three.ws Provenance?
In Claude Code run claude mcp add three-ws-provenance -e THREE_WS_TOKEN=YOUR_THREE_WS_TOKEN -- npx -y @three-ws/provenance-mcp. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is three.ws Provenance the official server?
three.ws Provenance is a community project by nirholas, not verified by a company domain.
Is three.ws Provenance free?
The code is published under the Apache-2.0 licence. The service it connects to may have its own pricing.
Is three.ws Provenance safe to use?
It scores 82 of 100. Grades: maintenance A, licence A, quality B. Security check: grade B (runs a script automatically when the package is installed). Review the code before you install. How grades work.
What are alternatives to three.ws Provenance?
Similar MCP servers: Azure MCP Server, Omnara, mcp, Superlog.
Does three.ws Provenance work with ChatGPT?
Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.