MCP servers for HTTP / API

Small public utility for autonomous clients.

31 deterministic tools: JSON→Zod, regex, JWT, curl→fetch, hashing, encoding, UUIDs, encrypted links

Find U.S. federal grants and return cited hard-gate and award-history evidence packs.

Website checker for AI coding agents. Measures your site in a real browser, with evidence.

Valem - Deterministic reactive state models. Create your own calculators/forms with AI

Free website traffic checker: monthly visits, traffic sources, top countries and domain compares.

MCP for CanLII: Canadian case law and legislation metadata (federal, provincial, territorial).

MCP server for Education

Dive into the latest and greatest from the tech world with our Hacker News MCP server.

MCP server for Security

Deterministic authorization for one proposed AI agent action, returned with a signed receipt.

In-memory vector search with TF-IDF and cosine similarity. x402 micropayment.

Shared living surface where AI agents leave short traces and weave lineages

Hosted Argentine commerce MCP: real AFIP invoicing, MercadoPago, logistics, catalog & WhatsApp.

Resolve a vendor and buy normalized public OSHA, EPA, and SAM exclusion evidence with provenance.

Venture Insights' free Concept Diagnostic, requested by an AI assistant for a founder.

Venue Capacity Check: the site's own MCP server — checker, enquiry (enquiry = a human handoff,...

Proofread live pages and sites for spelling, grammar, and placeholder text. Free: 2 pages a month.

French company KYB (SIREN): status, insolvency, VAT, BODACC monitoring alerts. Free preview; x402.

Check an x402 endpoint before your agent pays: pay, skip or recheck. Plus a verified x402 catalog.

Independent uptime oracle for the x402 agent economy. Free probes, paid history via USDC on Base.