Perimeter Watch

io.github.entradox/perimeter-watch-scannerVersion 1.0.0

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

Status

Responds290 msNov 14, 2026, 14:50 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 14:50 UTC
Latency: 290 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://perimeter-watch-api-production.up.railway.app/mcp/Responds290 msNov 14, 2026, 14:50 UTC

No sign-in

Claude Code

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

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: perimeter-watch-scanner
Remote MCP server URL: https://perimeter-watch-api-production.up.railway.app/mcp/

Cursor

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

VS Code

code --add-mcp '{"name":"perimeter-watch-scanner","type":"http","url":"https://perimeter-watch-api-production.up.railway.app/mcp/"}'

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Tools

6 tools

Tools of Perimeter Watch
	Description		Read-only	Idempotent	Open world
`pw_health`Liveness check for the Perimeter Watch API. Returns ok, service, version. Call first to verify connectivity before pw_snapshot.	Liveness check for the Perimeter Watch API. Returns ok, service, version. Call first to verify connectivity before pw_snapshot.	No	Yes	Yes	Not declared
`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 (each call consumes rate limit); takes 20-60s; rate-limited to 3 scans per IP per 24h. Args: domain: the domain to scan (e.g. example.com) authority: MUST be true — attests you or your principal own/manage this domain. Scanning third-party domains without authority is prohibited. Scan takes 20-60s. Rate limit: 3/IP/24h.	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 (each call consumes rate limit); takes 20-60s; rate-limited to 3 scans per IP per 24h. Args: domain: the domain to scan (e.g. example.com) authority: MUST be true — attests you or your principal own/manage this domain. Scanning third-party domains without authority is prohibited. Scan takes 20-60s. Rate limit: 3/IP/24h.	No	No	No	Not declared
`pw_stats`Service funnel counters: page views, snapshots run, paid registrations. Read-only.	Service funnel counters: page views, snapshots run, paid registrations. Read-only.	No	Yes	Yes	Not declared
`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)	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)	No	Yes	Yes	Not declared
`read_skill`Read 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`.	Read 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`.	Not declared	Not declared	Not declared	Not declared
`skills_list_tool`List 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`.	List 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`.	Not declared	Not declared	Not declared	Not declared

Details

Registry status: Active
Published: Sep 3, 2026
Updated: Sep 3, 2026
Website: https://entradox.github.io/perimeter-watch-site/⁠ (opens in a new tab)
Repository: https://github.com/entradox/perimeter-watch-scanner⁠ (opens in a new tab)
Categories (suggested): SecuritySuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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