"Using Google Scholar for Conducting Deep and Critical Literature Reviews" matching MCP connectors:

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

Get recommended by Amazon's AI. Hosted MCP server for Amazon listing compliance & generation.

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

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

290+ quality-scored API capabilities for AI agents across 27 countries via MCP.

AI visibility tracking & website fixes for better AI search presence

Agent intake desk for property renovation. Read only, CORS open, fail closed, receipts recompute.

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

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.

Read-only MCP server for the OrchestKit docs: full-text search + Markdown fetch. No auth.

Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.

Agentic Finance: 500+ tools for AI agents over x402 or MPP, free via PoW, or prepaid card credits

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

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

The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.

Website QA for your coding agent: audit SEO, performance, security, accessibility over MCP.

Buy and manage travel eSIM data plans in the conversation. Pay by card (Stripe) or USDC over x402.

Twenty-two paid x402 and MPP tools for agent discovery, payment safety, data, and DeFi.

Shared, governed long-term memory for AI agents across tools and sessions via MCP and REST.