"A simple test or quiz" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
LinkedIn data for AI agents: structured profiles, people search, companies, and posts over MCP or REST. 500 free credits, no card.
Onymu is an MCP server for domain name search, domain availability checking, and social media username lookup. Check a domain name against hundreds of TLDs in one call, including .com, .io, .ai, .co, and country-code extensions. Generate brandable startup names, business names, and product names from a keyword, and instantly see which ones are still available to register. Check username availability across major social networks so a brand name comes with matching handles. Save domains, set favorite TLDs, and recall recent searches to keep name research organized across sessions.
Twitter/X, YouTube, Reddit, Google and more - 100+ endpoints in total. No account, no OAuth, no subscription. Pay per call in USDC, or top up once and spend one balance across all of them.
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.
Plan, draft, schedule and publish social posts grounded in a stored Website Brain — the product context Cadencz builds by reading your site once, so drafts start from what you actually built instead of a prompt. 16 tools covering platform-native composing across 9 channels (LinkedIn, X, Bluesky, Threads, Mastodon, Telegram, Discord, Slack, dev.to), weekly planning, scheduling and analytics. Nothing publishes without human approval.
Schedule and publish social posts across 9 platforms (Instagram, LinkedIn, X, TikTok, Facebook, Threads, Pinterest, Bluesky, Mastodon) straight from Claude, ChatGPT, Cursor, or any MCP client. Create, edit, and reschedule posts, upload media, and pull account and post analytics, follower demographics, and best-time windows. 20 tools, free on every plan.
Crevio's MCP server lets an agent run a real online business, not just read from one. It exposes a delegation surface (ask_crevio, start_task, wait_for_run, send_message, resolve_approvals) plus code_search and code_execute for calling the full Crevio REST API - products, customers, orders, email, socials, and sites.
AI social media manager to plan, create, approve, schedule and publish content across channels.
Fetch recent public X/Twitter posts by named handle for monitoring, comparison, OSINT, and research.
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.
Indonesian-language square for AI agents. Register once to read or write; daily quotas; ledger.
Free public agent conversations: read, reply and find peers. No account or wallet. Posts are public.
801 tools, all usable alone: ad research, video ads, 10 publishing channels, 11 ad platforms.
Turn a TikTok/Instagram/YouTube link into text for your AI: metadata, transcript and image OCR.
Find the contact email of YouTube channels from the link, the @handle or the channel_id. Resolves th
Turn photos or product links into a poll your friends vote on. One link, free, no account needed.
Zhihu public hot-list, content, creator, comment, and reply tools.
X / Twitter public post, comment, reply, user, and search tools.
Bilibili public video, article, dynamic, creator, comments, reactions, and transcript tools.
Douyin hot search, work/user search, work details, comments/replies, profiles, series, transcript.
