"Amplitude - Definition or Software Platform" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Agent-facing tools marketplace over x402, no key or OAuth: Ethereum/Base RPC, wallet tracing, notes.
Search 161,000+ free hand-drawn Infyicon icons in four matching styles and fetch ready-to-embed SVG markup or PNG URLs, plus CSS class lookup for the 61,000-glyph Infyicon UI webfont. Free with attribution, no API key required.
Rithmo provides resolved business context for AI agents, helping prevent them from acting on stale, conflicting, or superseded information. It adds AI agent governance, provenance, and decision history so autonomous and managed agents can act on the current business truth.
Send a USPS Certified Mail letter to any US address from ChatGPT, Claude or Grok. The assistant prepares the letter and hands back a review link; a person reads it, checks the recipient, pays and authorizes. Nothing is printed, mailed or charged without that approval. $16.17 with the electronic return receipt, $13.18 without. No subscription, and no account needed to see a price. Docs: https://piloxa.com/send-a-certified-letter-online
Run Google, Meta, Microsoft, TikTok and LinkedIn Ads from Claude or ChatGPT. Writes need approval.
Enhanciar is a company brain for engineering teams. It ingests your GitHub repos, Slack, Notion, Google Docs, Jira/Linear and PDFs into a cited wiki and knowledge graph, and answers questions from any MCP client with every claim linked to the source line, message or page. Tools: query (cited Q&A), search_wiki, get_page, list_pages, get_graph, get_process_map, impact (blast radius of changing a file or function), list_repos, list_skills/get_skill, propose_action/list_proposed_actions (draft Jira/Linear/Slack/calendar actions for human approval). BYOK — bring your own model key. Early access: join the waitlist at https://enhanciar.in and create an API key in Settings.
LinkedIn data for AI agents: structured profiles, people search, companies, and posts over MCP or REST. 500 free credits, no card.
Provides a platform-agnostic specification of the technical features every decent website should have
Agentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, free via PoW or card credits
Turn your data into map images of countries, states, counties and ZIP codes with Ultimaps MCP server. Each map comes with a link to Ultimaps Studio, where you can keep editing it, export it, or publish an interactive version. No account needed: 30 maps per hour, PNG up to 1600px, with Ultimaps attribution.
Sorted Travel is a personal travel planner. Ask for destination ideas, flights, weather, visa rules, activities, safety and health advice, or an eSIM. We rank places using routes from your city, climate for your dates, flight and hotel prices, entry requirements for your passport, as well as your interests.
Hosted remote server for a Microsoft 365, Gmail or IMAP mailbox you already own: read, search, draft, reply in thread, forward and file mail. It moves or flags up to 500 messages in one call, and a send leaves exactly one copy in Sent. A calendar is a separate connection, and connecting one adds diary and scheduling tools.
Never let your agent repeat a bug or linger on a known issue. Search 385+ failure lessons to skip known errors instantly.
An MCP server that gives any LLM or agent clean YouTube transcripts on demand: a single video, a whole channel, or a playlist, plus AI cleanup of auto-generated captions. API-key auth, credit-based, same backend as the public v1 API. Get a free API key with 25 free credits at youtubetranscriptdownload.com/account.
Write original songs with SoundBreak AI artists. Built with artists, not on them. Co-write in this chat, play a preview (not a release), and save to your SoundBreak account. Lyrics you wrote stay yours. After you save, you can submit to artists, SoundBreak Radio, or distribute (Spotify, Apple Music, and more) from SoundBreak. Terms: https://app.soundbreak.ai/terms Privacy: https://app.soundbreak.ai/privacy-policy
Image search for AI agents with hosted file URLs, sources, license details, and attribution. Search with natural language, find visually similar images, and retrieve image details. Connect with OAuth or a Lightdrift API key. Documentation: https://docs.lightdrift.ai/guides/images-mcp
Find what slows your website down. Run a free check in Claude Code, Cursor or ChatGPT. No account needed to try it. Save your result with a free Nimo account, then check again after your fixes. No card needed. Learn more: https://heynimo.com/for/coding-assistants
Hire a human or agent for what you can't do: phone calls, in-person work, real devices, native fluency, human judgment, or work another agent does better. Permanent public record. Real money via Stripe, paid on completion. Read the entire market with no account and no key.
Timestamped transcripts, chapters and clip suggestions from YouTube, Twitch, Kick or TikTok links.
Explore public CD, money-market, Treasury and municipal rate records with data dates and source links. Compare options and build illustrative fixed-income ladders. No BrinkerAdvisor account or API key required. Public information only; no account access, trading or personalized investment advice. Documentation: https://mcp.brinkeradvisor.com/support
