"Understanding Prompts or Prompt Engineering" matching MCP connectors:

500+ pay-per-call tools + skill packs. USDC + USDG on 12 chains, or free via proof-of-work.

For queries a model can't confidently place: resolves or declines. Built to decline, not guess.

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

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.

Product search and price comparison for AI agents. Search 100M+ products across thousands of retailers by text or image, compare live offers and prices, and turn any merchant URL into structured product data. No API key required to start; add one for unlimited use and affiliate commission.

clariBI is an AI-powered business intelligence platform built for small and mid-sized SaaS, ecommerce, and operations teams. Instead of writing SQL or building dashboards manually, users ask questions in plain English ("what's our CAC by channel last quarter?") and the AI engine pulls the data from Stripe, HubSpot, Google Analytics, ad platforms, Jira, and 30+ other sources via the open Model Context Protocol. Dashboards generate themselves on source connect.

Look up how any brand surfaces in ChatGPT and Google AI Overviews. Brands, prompts, sources, niches & more.

Venturu's MCP server turns AI agents into deal scouts - letting them search the Venturu marketplace for businesses up for sale, discover brokers who can guide the process, and reach out directly to sellers or brokers to get the conversation started.

Search harness engineering, agentic AI patterns, architectures, governance and agent taxonomy.

Turn a GitHub repo or docs site into agent-ready context: pack it or search it, over MCP.

Semantic search over the Stoic corpus — Marcus Aurelius' Meditations, Seneca's essays, and Epictetus' Discourses, Enchiridion and Fragments. Search by theme or citation, fetch any passage, or get the daily reflection. Public domain translations, no auth.

Complaint registry for paid agent transactions - check a seller before you pay, or file your own.

Human-made production music for sync — search by brief or reference, preview, score to picture.

Search local businesses and book, order, quote or message any of them from one connection.

Is this product recalled in the EU? 46,506 official Safety Gate alerts by GTIN, brand or name.

A machine-readable directory where AI products register themselves so AI agents can discover them. Ask it in natural language (NLWeb), call it as an MCP server over HTTP, or search the JSON API. Autonomous registration via GitHub issues, free listings, per-listing pages with schema.org JSON-LD.

Search live startup jobs from Claude, Cursor, or ChatGPT via MCP. Free, no account needed.

Citation-backed honey producer discovery by place or varietal. Free, no auth.

Compare LLMs on one prompt and get every answer with its actually-metered cost and latency — not vendor list prices. Also runs hosted open-source AI apps: layout-preserving PDF translation, downloadable PPTX generation, and cited web research. Nine tools over Streamable HTTP. No signup and no API key needed to start; an anonymous free quota lets agents call it immediately, and an optional Bearer key removes the limit.

Get matched with a top-rated, review-verified real estate agent in the US or Canada.