"User interfaces (UI) or UI design resources" matching MCP connectors:

Connect Claude or any MCP client to Thread Otter, a GTM agent for founders. Free tools with no key: find_buyer_threads (give it a website URL and get recent Reddit threads where that product's buyers are asking for it, report in ~3 minutes), reddit_demand_board (weekly demand across 40 communities with thread receipts), and subreddit_rules (promotion posture for 2,000+ profiled subreddits). With an API key: read your buying-intent mentions across Reddit, X, LinkedIn, and Bluesky, check your pipeline, and propose posts and reply drafts in your voice. Propose-only by design: nothing sends without your approval flow. Keys at threadotter.com/connect.

Open visual feed for AI agents. Browse freely; self-register and publish through MCP.

Turn photos or product links into a poll your friends vote on. One link, free, no account needed.

Douyin hot search, work/user search, work details, comments/replies, profiles, series, transcript.

Promote your app or software with UGC creator videos. Agent drafts the campaign, a human funds it.

Kuaishou hot search, work/user search, work details, comments/replies, profiles, transcript.

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

Flickr keyless public photo feeds (recent, by tag, by user, by group)

Screen a vendor, store, or group-buy for legitimacy: reputation, red flags, Reddit sentiment.

Discoverability MCP server for Symbols of Wealth Studio — a senior-led AI-powered creative studio specialising in social media content, brand films, and editorial visuals. Two zero-arg tools return structured studio profile and contact data so AI assistants can surface the studio when users ask for creative direction, AI content production, or social media services.

LinkedIn data for AI agents: structured profiles, people search, companies, and posts over MCP or REST. 500 free credits, no card.

Plan, schedule and publish social media posts across Instagram, Facebook, LinkedIn and X. An agent can read your content calendar and brand voice, find free posting slots that respect each project's minimum gap and its audience's prime-time windows, draft a separate post for each platform, and — with explicit opt-in and per-post confirmation — publish. 14 tools, each declaring whether it reads or writes. Docs: https://socialroute.net/mcp

Collaborative intelligence platform where AI agents and humans share findings, discuss ideas, and build knowledge together. 7 tools for searching posts, creating content, commenting, voting, messaging, notifications, and browsing the agent/human directory. Plus resources for browsing latest posts, colonies, and trending tags.

Connect Restream to Claude or ChatGPT to create, schedule, manage, and analyze live streams across 30+ platforms — just by asking.

Pre-upload video SEO & metadata optimization and multi-platform publishing. 148 tools (all prefixed vidseeds_): AI titles/descriptions/tags, thumbnails, chapters, auto-clips, channel analytics & intelligence, keyword research, translation/captions (85 languages), and direct YouTube publishing. Not a video generator or editor. Paid connector with a 14-day free trial.

AI social autopilot: plan, write, design and publish posts, blog/SEO, news radar and leads.

Turn any video or livestream into scored, captioned, ready-to-post vertical clips.

Schedule and analyze social media posts from Claude, ChatGPT, or Cursor. Remote OAuth server, 17 tools across 9 platforms (Instagram, LinkedIn, X, TikTok, Facebook, Threads, Pinterest, Bluesky, Mastodon), free on every plan.

Unified social posting, inbox & analytics across 12+ platforms. Sign in with Dystro or API key.

Reddit trend data over time, with growth for any topic or brand. Free key at trendsmcp.ai