MCP servers for Claude Desktop

Regex compile check, pattern discarded

Regex matching, email/URL format validation, and JSON Schema validation.

Domains, DNS, DNSSEC and hosting at regfish; diagnose any domain; OAuth or API key.

reginfo MCP — the Unified Agenda of Federal Regulatory and Deregulatory

Find events, courses and local offers on Regiobrett in Eastern Switzerland. Free, read-only search.

Registrars (ARISP): downloads a digital certificate via official-source lookup; platform-hosted, pay per query.

Registrars (ARISP) certificate: downloads the receipt via official-source lookup; platform-hosted, pay per query.

Registrars (ARISP): places a new request for a digital certificate via official-source lookup; platform-hosted, pay per query.

Registrars (ARISP): looks up account information from official sources; platform-hosted, pay per query.

Registrars (ARISP): downloads a property record via official-source lookup; platform-hosted, pay per query.

Registrars (ARISP) property record: lists requests via official-source lookup; platform-hosted, pay per query.

Registrars (ARISP): places a new request to view a property record via official-source lookup; platform-hosted, pay per query.

Checks whether an MCP server is listed in MCP directories right now, and how long the listing took.

Verified directory of MCP servers: what is dead, protected or behind on spec.

NIS2 tools: scope check, EU transposition, incident deadlines, and your own org's status (token).

Regulatory Catalysts MCP — high-value biotech regulatory calendar events (keyless).

Open-source CRM your AI agents can write to: companies, people, deals, tasks, notes, pipeline.

Discover agent services, compare sourced capabilities and inspect connection evidence. No execution.

7 anonymous read-only tools. Authority-bounded autonomous onboarding guide. No financial authority.

AI agent messaging with durable inboxes, contacts and tasks. Connect through MCP with OAuth.

Your team's PRD, UX spec, architecture and stories: read them, build a story, keep it current.