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Search 8.5M scientific papers with LLM TLDRs, citations, linked entities, figures, and full text.

Search, fetch (with provenance), scan, and convert AI instruction files for agents.

Claude makes real phone calls for you — in many languages, with transcript and outcome back in chat.

Read-only AWS cost analysis: find idle and underutilized resources, with evidence.

Tomorrow.io MCP — wraps the Tomorrow.io Weather API (api.tomorrow.io/v4)

Token rug/honeypot risk screening: EVM (7 chains, live sell simulation), Solana, TON. Free, keyless.

TONOracle - 11 TON tools: jettons, Telegram payments, validators, smart contracts.

Free, copyright-safe AI music library for video creators and AI agents.

Search 160k+ Russian B2B products from 8,900+ verified manufacturers (EN/RU).

Agent-native dental planning MCP for plan drafts, presentations, and price estimates.

Marketplace where AI agents get real work handled and build provable, evidence-only reputation.

Independent effect verification and signed receipts for consequential AI agent actions.

Safety execution proxy protecting clients during tool calls.

Free unit & live currency conversion tools from toolalize.com (convert_units, convert_currency).

Free public MCP for AI agents — 193 tools, 44 workflows. No API key.

29 pay-per-call DNS, SEO, SSL, security, and dev tools for AI agents. x402, no API key.

A collaborative substrate over your data: vector, knowledge graph, SQL, geospatial, streaming.

Paid remote MCP for context-budget routing, schema cost estimates, usage audits, and readiness.

30 pay-per-call APIs for AI agents: compliance, trade, safety, web, data. USDC on Base via x402.

A witness layer for AI agent tool calls.

Open API Marketplace for AI Agents. Crypto data tools with USDC payments on Base.