"Automating Design and Deployment of n8n Workflows" matching MCP connectors:

Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.

Serves your design system and coding standards to coding agents, so they stop guessing.

Conformance checker for MCP servers. Free, no key, verdicts recomputable and re-measured daily.

Verify claims, resolve FIGI identity, extract claims, and sign x402 delivery receipts over MCP.

Search otwarteAPI.pl — a catalog of 53 official public Polish and EU APIs (VAT white list, KRS, GUS, NBP, ECB, Eurostat, VIES and more), curated for AI agents. One tool: find the right API by natural-language query. No API key, no signup.

Neutral, verification-gated MCP directory of Japan construction contractors (KIRA-audited).

Cite and independently verify Bitcoin-anchored construction-estimate audit records.

Search Vascue's public healthcare-ops, insurance-claims and booking docs. Public content only.

Search domain availability and pricing, straight from chat, then open a link to register.

Give your AI agent a spending limit: approval controls and single-use virtual cards.

Paid-verified directory of x402 APIs — we pay endpoints real USDC and confirm settlement on-chain.

Savvly MCP: query fund data, model projections, and compare against alternative retirement products.

Independent pre-transaction audit for construction estimates. Free, and every verdict recomputes.

Search and cite US law from official sources, then form an LLC or nonprofit with free agent tools.

DXF and PDF/X-4 for AI agents: structured facts, PNG renders, an interactive in-chat viewer.

Author and validate Calaf workspace seeds against the app's real importer. No account needed.

Search Vascue's public healthcare-operations, insurance-claims and clinic-booking documentation. Public content only; never send patient data, credentials or booking requests.

Find your AI agent's likely failure mode, get runtime settings, and clarify ambiguous prompts.

Uptime monitoring: create and manage HTTP, API, SSL, ping, port and domain checks

Discovery, OAuth, project operations, and exact project MCP handoff for Spala backend projects.