"General web search assistance" matching MCP connectors:

Search the AI Tool Directory catalog: tool details, status checks (alive/acquired/deceased + cause and date), alternatives, and side-by-side comparisons. Read-only.

Sharebench — search & pull AI skills, agents, prompts & playbooks (SKILL.md) into any MCP client

A quant-factor brain for your AI — factor scores, similarity search, and risk-coherence analogues for 14,684 tickers across 6 asset classes

Stateless NMI + cosine fusion with entropy-driven alpha calibration

Verified dev-error fixes sold per-lookup to AI agents on-chain. Free search; 3 free samples.

Free MCP API to create AI chat personas for websites — upload knowledge, search, and chat

Search the curated directory of MCP servers for AI filmmaking and plan a full production stack.

The documentation, as a tool your agent can call: 950+ AI-dev guides. Search + fetch tools.

Real-time curated crypto news for AI agents with sentiment, recaps, and search.

Search and invoke real AI capabilities on modelmarket.dev. Free trial, then USDC on Base.

Search AI capabilities across AWS Marketplace and the Official MCP Registry.

Chinese web novel MCP: 36 tools (outline, prose, review, coach, KD export). BYOK, no API key.

54+ pay-per-use AI & data tools for agents, payable in USDC via x402 on Solana — no API keys, no subscriptions. AI image, video, music and voice generation (cheaper than official APIs), web search, cited research reports, Claude Opus Q&A, crypto prices, page scraping, domain info and more. Pay only for what you call, straight from the agent wallet. Free directory tool lists all live endpoints.

Pay-per-use AI and data tools via x402: image, video, music, voice, search, crypto. USDC.

Search AI-designed print-on-demand clothing, or have a new motif invented from one sentence.

Discover AI agents by outcome. Read-only search and reads of public marketplace listings.

Search, compare, and find alternatives across a curated catalog of 1,100+ AI tools.

Ships with 42 pre-built text processing agents (sentiment analysis, keyword extraction, SEO metadata, code explanation, grammar checking, and more) totaling 259 endpoints. All code runs sandboxed in isolated child processes. Supports Streamable HTTP and stdio transports. Includes rate limiting, caching, analytics with p50/p95/p99 latency tracking, and a web dashboard.

63 pay-per-call tools for agents: vision, text, data, web, blockchain. USDC on Base via x402.

Search 150k+ AI agents and MCP servers. Live liveness probes, behavioral benchmarks, x402 commerce.