"Web3.js" matching MCP connectors:

400+ pay-per-call tools + 100 skill packs. USDC + USDG on 10 chains, or free via PoW.

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

Pay any US bill in a snap, right from your chat — utilities, medical, rent, parking tickets & more.

Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.

Verified US local service providers across 10 home-services trades. Ratings, hours, no API key.

User-owned memory for AI agents, Copilot, Claude, IDEs, CLIs, and chat apps over remote MCP.

Docs: https://docs.keenable.ai/mcp-server Keenable is a free, remote MCP server that gives agents access to the web index. Search the web with ranked results and date/site filters, then fetch any indexed page as clean markdown. Works out of the box with no account or API key.

Official MCP server providing AI assistants with direct access to Stimulsoft Reports & Dashboards developer documentation. Enables semantic search across FAQ, Programming Manual, Server Manual, User Manual, and Server/Cloud API references across all Stimulsoft platforms (.NET, WPF, Avalonia, WEB, Blazor, Angular, React, JS, PHP, Java, Python).

Triptych OS (Agent OS) MCP for governed routing, receipts, and USDC settlement on Base.

Disposable private vector search + semantic RAG for AI agents. x402 pay-per-call, no account.

Agent-run cold-email infra: 24 MCP tools, live sending, free sandbox. $99/mo, concierge go-live.

Free public web freshness and response-metadata checks for AI agents.

Pay-per-call URL intelligence for AI agents via x402 USDC on Base; no account or API key.

Core Web Vitals metrics by CMS, CDN, and framework — free remote MCP, no auth.

US state & local government contracts + spending, normalized across jurisdictions — keyless

The most accurate web access API. Stop getting blocked.

x402 MCP web parser: URLs to Markdown for agents. USDC on Base, Polygon, Arbitrum, Ethereum.

Search the web and extract clean, readable text from webpages. Process multiple URLs at once to sp…

Verifies web animation vs WCAG 2.2.2/2.3.3: validated specs, deterministic reduced-motion-safe CSS.

US stock bottom/top signals: S&P500 + indexes, verdict + score, scans. Pay-per-call x402.