"Interactive Network Graph Visualization Tools (No Account Required)" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Read and edit DB Planner database schemas (DBML/SQL), Mermaid diagrams and board layouts from any MCP client. 40 tools with annotations and output schemas. OAuth sign-in, with read and write as separate scopes enforced server-side.
Non-custodial Hyperliquid perpetual-futures trading for Claude, Cursor and any MCP client: live market data, orderbook, candles, account state and — once the user arms it — order execution with on-chain leverage on the user's own wallet. No withdraw tool, server-enforced caps.
Agent-design pattern guidance via 8 hosted read-only tools; Streamable HTTP, no auth, one Release.
YouTube transcript summarizer, AI-ranked video search, multi-video research reports, and channel growth audits via MCP. Four paid tools ($0.02/$0.05/$0.15/$0.25 USDC on Base via x402) plus free health_check and video_preview taster.
Search US product recalls (FDA, USDA, CPSC) via MCP. Free API keys or $0.025 USDC/call on Base via x402. Tools: search_product_recalls, search_product_recalls_by_upc, search_product_recalls_from_image. Docs: https://recallkitchen.com/docs/ GitHub: https://github.com/Recall-Kitchen/rk-mcp
Connect AI assistants to Mailercloud, the email marketing platform. Tools to manage campaigns, contacts, lists, templates, automations, webhooks, senders, and transactional email — plus AI-powered campaign analysis, deliverability audits, and engagement insights.
Structured habitat data and advisory tools for aquariums, marine tanks, terrariums and paludariums.
Magic Hour MCP lets AI agents create and edit images, videos, and audio using Magic Hour’s hosted generation tools.
Riddle.com is a no-code platform for quizzes, surveys, personality tests, prediction games, interactive graphics, and leaderboards. Use the MCP to create, edit and analyze content.
Plain-English git via MCP: 22 tools to branch, commit, push, and tag. No git jargon.
Structured iGaming reference: slot specs & RTP variants, providers, regulators, news and jobs.
rnv-color-mcp, a hosted color-workflow MCP server (Python, Streamable HTTP). Tools: mix (including Kubelka-Munk paint physics), convert between formats, generate harmonies, transform text case, and save/list/get named palettes. It resolves hex / CSS / custom brand color names and refuses unknown colors rather than guessing.
OneHaus household tools: tasks, calendar, contacts, pets, vehicles, documents and more.
90+ free tools, Claude & ChatGPT: prices, options, SEC filings, 13F, insider, congress, transcripts.
Evidence-gated task verification for AI agents. Decompose goals into acceptance criteria, attach proof (screenshot, curl, file), independent LLM judge accepts or rejects. 24 tools. Hosted remote MCP (streamable-http, OAuth 2.1 + DCR).
Incident-reporting deadlines from the law: CRA, NIS2, DORA, GDPR, HIPAA, SEC 8-K. 6 of 9 tools free.
91Eligibility-first UK & EU grant discovery, inside ChatGPT and Claude. Checks eligibility before recommending, explains why each grant fits, and cites the funder's own page on every answer — with an honest "competition_risk: unknown" when the data isn't there. 6 tools: search, fetch, find_opportunities, should_apply, explain_opportunity, complete_profile. Transport: Streamable HTTP. Auth: OAuth 2.1 + PKCE. Free to install, no card required.
Vehicle routing, 3-D packing, cutting stock, rostering and knapsack with OR-Tools. 7 of 11 free.
111Universal pay-per-call tool API for AI agents. Web search, price feeds, hive memory, LLM routing, code sandbox. Free tier (10 calls/day, no signup). x402 payments on Base + Solana.
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