"User Interface Design or Concepts" matching MCP connectors:

Cello MCP server to launch and manage your User Referral and Partner program — for developers and growth teams.

Connect your AI assistant to Signed and ask about your angel investing in plain English: how the portfolio is doing, what distributions came in this year, what’s sitting in the pitch queue. It's a view into the startups that you've invested in (or are thinking of investing in!)

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).

AI infrastructure design agent. Describe your app in plain English; Riley designs, prices, and deploys AWS or GCP infrastructure with generated Terraform.

Pay-per-use tool API for AI agents. Free tier, x402 USDC micropayments, or API key.

The PropelAuth Integration MCP Server helps you and your favorite AI agent integrate PropelAuth as quickly and easily as possible into your project. Whether you're integrating PropelAuth into your Next.js project or your FastAPI backend, the Integration MCP Server will ensure your AI agent has the best context possible for a successful integration.

Browse Hacker News feeds, threads, and user profiles with full-text search.

Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP.

Convert handwriting into text, LaTeX math, chemistry, or molecular structures.

Search Stack Exchange questions, fetch Q&A threads as markdown, look up tag FAQs and user profiles.

Search EU legislation, CJEU case law, and treaties; traverse CELLAR graph; browse EuroVoc concepts.

Read-only scripture-study engine: complete-or-fail concordance over Greek NT, Hebrew OT, LXX.

Ski apartment search with one- or two-week prices, availability, destinations and ski passes.

Live vehicle warranty (service contract) quotes by VIN, plate, or make/model/year.

MCP/HTTP Telegram Gateway — Multi-tenant, MTProto User API, 8 tools, multi-user Bearer auth, global search, session ACL, Docker

Live crypto data: why a coin or the market is moving (funding, OI, positioning, flow).

Multi-tenant Telegram gateway for AI agents — HTTP+stdio, 8 tools, MTProto User API

Free — no API key required. Enrich by domain or name. Country, contacts, social profiles.

MCP server providing Pine Script v6 documentation. Enables AI to: Look up Pine Script functions and validate syntax Access official documentation for indicators, strategies, and visuals Understand Pine Script concepts (execution model, repainting, etc.) Generate correct v6 code with proper function references

Dispatch real-world physical tasks to verified human operators. Escrow or direct-settlement.