Passive domain-perimeter checks — cert expiry, subdomain takeover, lookalikes — as agent tools
Connect Remote server
claude mcp add --transport http perimeter-watch-scanner https://perimeter-watch-api-production.up.railway.app/mcp/
{
"mcpServers": {
"perimeter-watch-scanner": {
"url": "https://perimeter-watch-api-production.up.railway.app/mcp/"
}
}
}
{
"servers": {
"perimeter-watch-scanner": {
"type": "http",
"url": "https://perimeter-watch-api-production.up.railway.app/mcp/"
}
}
}
Settings > Connectors > Add custom connector
URL: https://perimeter-watch-api-production.up.railway.app/mcp/
Tools 6 found in our last check
pw_healthLiveness check for the Perimeter Watch API. Returns ok, service, version. Call first to verify connectivity before pw_snapshot.
pw_snapshotRun 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 (each call consumes rate limit); takes 20…
pw_watch_statusCheck 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)
pw_statsService funnel counters: page views, snapshots run, paid registrations. Read-only.
skills_list_toolList this product's skills. Each entry carries the SKILL.md URI, its name and description, verbatim frontmatter, and a per-file sha256 manifest. Read a body with `read_skill`.
read_skillRead a product skill file by its skill:// URI. Args: uri: e.g. skill://<product>/<skill-name>/SKILL.md Get valid URIs from `skills_list_tool`.
Details
| Endpoint | https://perimeter-watch-api-production.up.railway.app/mcp/ (Streamable HTTP) |
| First published | 3 Sep 2026 |
| Last updated | 3 Sep 2026 |
| Registry name | io.github.entradox/perimeter-watch-scanner |
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