@pipeworx/public-suffix-list

Connect: https://pipeworx.io/mcp — every tool in the catalog, including @pipeworx/public-suffix-list’s. Install: one-click buttons

No MCP client? Skip the connection: POST https://gateway.pipeworx.io/v1/tools/search_packs {"query":"..."} to find a tool below, GET /v1/tools/<name> for its schema, POST the same URL with arguments for the data — see For AI agents.

Tools: 4

Public Suffix List MCP — the Mozilla-maintained catalog of effective TLDs (e.g. co.uk, s3.amazonaws.com, github.io). Used by browsers to decide cookie-domain boundaries. Keyless; cached 24h in-pack.

Tools

• parse(domain) — split a domain into (subdomain, registrable_domain, public_suffix)
• public_suffix(domain) — just the public suffix
• registrable_domain(domain) — domain + nearest suffix (the “site”)
• list_version() — list refresh time + line count

Data source

https://publicsuffix.org/list/public_suffix_list.dat

Tools

• parse — Split a domain into (subdomain, registrable_domain, public_suffix).
• public_suffix — Just the public suffix.
• registrable_domain — Domain + nearest suffix (the “site”).
• list_version — Last refresh + rule count.