Perimeter Watch MCP server

Connect Perimeter Watch and your agent gets 4 tools, among them pw_health, pw_snapshot, pw_stats. It answers at https://perimeter-watch-api-production.up.railway.app/mcp/ over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 6 of 6 times since 11 September 2026; the last check, on 22 October 2026, succeeded.

Status

Answering

Tools

Reliability

6 of 6 checks

Response time

304 ms

Transport

streamable HTTP

Last checked

22 October 2026

Passive domain-perimeter checks — cert expiry, subdomain takeover, lookalikes — as agent tools

Description as the publisher wrote it.

The 4 tools Perimeter Watch offers

Tool	What it does
`pw_health`	Liveness check for the Perimeter Watch API. Returns ok, service, version. Call first to verify connectivity before pw_snapshot.
`pw_snapshot`	Run a free one-time external-perimeter scan on a domain you control. Checks TLS certificate expiry, domain renewal status, dangling CNAME takeover risk, and CT-log lookalike domains. Returns a rating plus per-check detail. NOT idempotent (e Inputs: domain, authority
`pw_stats`	Service funnel counters: page views, snapshots run, paid registrations. Read-only.
`pw_watch_status`	Check whether a domain is enrolled on a paid weekly monitoring plan. Returns enrollment status. Paid plans add weekly re-scans with email briefs. Read-only lookup. Args: domain: the domain to look up (e.g. example.com) Inputs: domain

Add Perimeter Watch to your AI client

Every block below points at https://perimeter-watch-api-production.up.railway.app/mcp/. Pick your client and copy.

Claude Code: one command in your terminal

claude mcp add --transport http perimeter-watch https://perimeter-watch-api-production.up.railway.app/mcp/

Claude Desktop: claude_desktop_config.json

{
  "mcpServers": {
    "perimeter-watch": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://perimeter-watch-api-production.up.railway.app/mcp/"]
    }
  }
}

Cursor: ~/.cursor/mcp.json, or .cursor/mcp.json in a project

{
  "mcpServers": {
    "perimeter-watch": {
      "url": "https://perimeter-watch-api-production.up.railway.app/mcp/"
    }
  }
}

VS Code and GitHub Copilot: .vscode/mcp.json

{
  "servers": {
    "perimeter-watch": {
      "type": "http",
      "url": "https://perimeter-watch-api-production.up.railway.app/mcp/"
    }
  }
}

Zed: Zed settings.json

{
  "context_servers": {
    "perimeter-watch": {
      "url": "https://perimeter-watch-api-production.up.railway.app/mcp/"
    }
  }
}

Windsurf: ~/.codeium/mcp_config.json

{
  "mcpServers": {
    "perimeter-watch": {
      "serverUrl": "https://perimeter-watch-api-production.up.railway.app/mcp/"
    }
  }
}

JetBrains AI Assistant: Settings, Tools, AI Assistant, MCP, New MCP Server, as JSON

{
  "mcpServers": {
    "perimeter-watch": {
      "url": "https://perimeter-watch-api-production.up.railway.app/mcp/"
    }
  }
}

Continue: .continue/mcpServers/neuronto.yaml

name: Perimeter Watch
version: 0.0.1
schema: v1
mcpServers:
  - name: Perimeter Watch
    type: streamable-http
    url: https://perimeter-watch-api-production.up.railway.app/mcp/

Gemini CLI: ~/.gemini/settings.json

{
  "mcpServers": {
    "perimeter-watch": {
      "httpUrl": "https://perimeter-watch-api-production.up.railway.app/mcp/"
    }
  }
}

Codex CLI: MCP server config

{
  "mcpServers": {
    "perimeter-watch": {
      "type": "http",
      "url": "https://perimeter-watch-api-production.up.railway.app/mcp/"
    }
  }
}

Warp: MCP servers, + Add, paste JSON

{
  "mcpServers": {
    "perimeter-watch": {
      "url": "https://perimeter-watch-api-production.up.railway.app/mcp/"
    }
  }
}

Goose: a one-click extension link

goose://extension?url=https%3A%2F%2Fperimeter-watch-api-production.up.railway.app%2Fmcp%2F&type=streamable_http&id=perimeter-watch&name=Perimeter%20Watch

Is Perimeter Watch up right now?

It answered our last check on 22 October 2026 in 304 ms. Over 6 checks since 11 September 2026 it answered 6. Status here comes from Neuronto's own probes, not from the publisher.

MCP servers similar to Perimeter Watch

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Questions about Perimeter Watch

How many tools does Perimeter Watch have?

4, as returned by the server's own tools/list on 14 September 2026: pw_health, pw_snapshot, pw_stats, pw_watch_status.

Is Perimeter Watch down?

It answered our last check on 22 October 2026 in 304 ms. Over 6 checks since 11 September 2026 it answered 6.

How do I add Perimeter Watch to Cursor?

Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://perimeter-watch-api-production.up.railway.app/mcp/. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.

Does Perimeter Watch need an API key?

It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.

Where this comes from

Publisher: io.github.entradox. Endpoint host: perimeter-watch-api-production.up.railway.app. ARD identifier: urn:air:io.github.entradox:mcp:perimeter-watch-scanner. First indexed 10 September 2026. The tools are exactly what the server returned; nothing on this page is inferred from its name. Ranking in Neuronto search is never for sale.

Is this your server? Get a message the day it stops answering or its tools change: monitoring, 14 days free. Or claim the domain to manage how it is listed.