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MCP verified MIT Self-run

Claw Relay

mcp-andreagriffiths11-claw-relay · by AndreaGriffiths11

A trust layer between AI agents and your real browser. Token auth, scoped permissions, site allowlists, audit logging. Works with Copilot CLI, Claude, OpenClaw, or any MCP client.

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Install

$ agentstack add mcp-andreagriffiths11-claw-relay

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • Prompt-injection patterns
  • Secret / credential exfiltration
  • Dangerous shell & filesystem operations
  • Untrusted network calls
  • Known-malicious package signatures

What it can access

  • Network access Used
  • Filesystem access No
  • Shell / process execution No
  • Environment & secrets No
  • Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

Verified badge

Passed review? Show it. Paste this badge into your README, it links to the public security report.

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[![AgentStack Verified](https://agentstack.voostack.com/badges/verified.svg)](https://agentstack.voostack.com/security/report/mcp-andreagriffiths11-claw-relay)

Reliability & compatibility

Security review passed
0 installs to date
no reviews yet
1mo ago

Declared compatibility

Claude CodeClaude DesktopCursorWindsurf

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.

How agent discovery & health will work →
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About

Claw Relay

Give your AI agents a real browser.

[](https://railway.com/deploy/claw-relay?referralCode=a2vuTz&utmmedium=integration&utmsource=template&utm_campaign=generic)

Quick Start

npx @acolombiadev/claw-relay

Launches a dedicated Chrome window, starts the relay, generates config with random tokens. One command, zero setup.

First time: Sign into GitHub (or any site) in the Claw Relay Chrome window. Logins persist between restarts.

Restart: Ctrl+C stops the relay. Chrome stays open. Run npx @acolombiadev/claw-relay again — it reconnects without relaunching Chrome.

What It Does

Claw Relay sits between your AI agent and Chrome. The agent sends actions (navigate, click, read) via WebSocket — the relay enforces auth, permissions, rate limits, and site restrictions before forwarding to Chrome via CDP.

Capabilities

  • Navigation & snapshots — browse pages, read accessibility trees
  • Element interaction — click, type, fill, hover, select, drag & drop
  • Screenshots — full page, viewport, or individual elements
  • Batch actions — execute multiple actions in a single message
  • Tab targeting — pin actions to specific tabs via targetId
  • Wait conditions — wait for text, selectors, navigation, network idle, or custom JS
  • Console & network monitoring — capture logs and requests
  • PDF generation — render pages to PDF
  • Viewport resize — test responsive layouts
  • JavaScript evaluation — run arbitrary code in page context

Connect Your Agent

Works with Copilot CLI, OpenClaw, Claude Code, nanobot, ZeroClaw, or any MCP client.

MCP (Copilot CLI, Claude Code, any MCP client)

{
  "mcpServers": {
    "claw-relay": {
      "command": "node",
      "args": ["mcp/claw-relay-mcp.js"],
      "env": {
        "CLAW_RELAY_URL": "ws://localhost:9333",
        "CLAW_RELAY_TOKEN": "your-token",
        "CLAW_RELAY_AGENT": "default"
      }
    }
  }
}

OpenClaw Skill (OpenClaw, nanobot, ZeroClaw)

Use the bundled CLI client — no MCP required:

export CLAW_RELAY_URL="ws://localhost:9333"
export CLAW_RELAY_TOKEN="your-token"
export CLAW_RELAY_AGENT="your-agent"

node skills/openclaw/relay-client.cjs navigate https://github.com
node skills/openclaw/relay-client.cjs snapshot
node skills/openclaw/relay-client.cjs click e3

See [skills/openclaw/SKILL.md](skills/openclaw/SKILL.md) for the full agent skill reference.

WebSocket (custom agents)

Connect directly via WebSocket for full control:

const ws = new WebSocket('ws://localhost:9333');
ws.send(JSON.stringify({ type: 'auth', token: 'your-token', agent_id: 'your-agent' }));

See [protocol docs](docs/protocol.md) for the full action reference.

See [MCP docs](docs/mcp.md) for MCP-specific setup.

Chrome Extension

Optional — lets your agent use your normal Chrome instead of the dedicated window:

  1. Install from the Chrome Web Store
  2. Click the toolbar icon on any tab to share it with the relay

> For development: chrome://extensions → Developer mode → Load unpacked → select extension/

Configuration

Auto-generated config.yaml on first run. Or copy the example manually:

cp relay-server/config.example.yaml relay-server/config.yaml

Key settings:

agents:
  my-agent:
    token: "crly_..."           # auth token
    scopes: ["read", "navigate", "interact"]
    allowlist: ["github.com"]   # where the agent can go
    rateLimit: 30               # actions per minute

blocklist:
  - "*.bank.com"               # always blocked

CLI Options

npx @acolombiadev/claw-relay [options]

  --port     Server port (default: 9333)
  --config     Custom config path
  --no-chrome        Skip Chrome launch (assumes CDP on :9222)

Security

  • Auth — token + agent ID per connection
  • Scopes — read, navigate, interact, execute
  • Allowlist/Blocklist — per-agent URL restrictions
  • Rate limiting — per agent, per minute
  • Audit log — every action logged with timestamp

First-Time Agent Setup

> 💡 Quickest setup with GitHub Copilot CLI: > ``bash > copilot --additional-mcp-config '{"mcpServers":{"claw-relay":{"command":"node","args":["mcp/claw-relay-mcp.js"],"env":{"CLAW_RELAY_URL":"ws://localhost:9333","CLAW_RELAY_TOKEN":"your-token","CLAW_RELAY_AGENT":"your-agent-id"}}}}' > `` > That's it — Copilot CLI loads the MCP server and you're ready to browse. Get Copilot CLI free →

  1. Add your agent to config.yaml with a token, scopes, and allowlist
  2. Restart the relay (config is read at startup)
  3. Connect using your platform's method (MCP or OpenClaw skill)
  4. Test with a simple snapshot action

Common gotchas:

  • Agent ID is case-sensitiveRustyrusty. Match config.yaml exactly.
  • Restart after config changes — the relay reads config.yaml at startup only
  • Check scopes — if an action fails with "permission_denied", the agent needs that scope added
  • One action per call (OpenClaw skill) — don't try to batch or keep connections open

Docs

| | | |---|---| | [Setup Guide](docs/setup.md) | Install, configure, launch | | [MCP Server](docs/mcp.md) | Connect MCP clients | | [Protocol](docs/protocol.md) | WebSocket API reference | | [Dashboard](docs/dashboard.md) | Web UI for monitoring | | [Tunnels](docs/tunnels.md) | Remote access | | [Troubleshooting](docs/troubleshooting.md) | Common issues | | [Responsible Use](docs/responsible-use.md) | When to use Claw Relay (and when not to) |

Agent Skills

Drop-in skill files that teach AI agents how to use Claw Relay:

| | | |---|---| | [Browser Skill](skills/browser/SKILL.md) | Teaches any agent to navigate, click, type, screenshot — works with any framework | | [OpenClaw Skill](skills/openclaw/SKILL.md) | Standalone relay client for OpenClaw, nanobot, ZeroClaw (no MCP required) |

Copy the relevant SKILL.md into your agent's skills directory, or point your agent at the file directly.

Built With

License

MIT

Source & license

This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

Reviews

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Versions

  • v0.1.0 Imported from the upstream source.