"An overview or information about file systems" matching MCP connectors:

Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.

Measured share of answer for 20 SaaS brands. An open dataset, not an audit of your site.

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.

AMZScout Skill + MCP gives AI agents live access to real Amazon marketplace data across 14 Amazon marketplaces. Analyze any ASIN, validate product ideas, research niches, compare competitors, discover profitable keywords, and build data-driven PPC strategies using trusted Amazon insights instead of AI assumptions. Works with Claude, ChatGPT, Cursor, and any other MCP-compatible AI client. To connect, you'll need an AMZScout API plan and authorize your account. Get access and view pricing here: https://learn.amzscout.net/amazon-product-api-for-ai-agents

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.

Docs: https://docs.keenable.ai/mcp-server Keenable is a free, remote MCP server that gives agents access to the web index. Search the web with ranked results and date/site filters, then fetch any indexed page as clean markdown. Works out of the box with no account or API key.

Connect Claude, Cursor or any MCP client to AppSigma and let your AI research apps, read reviews and track rankings on its own – no glue code.

Eligibility-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.

Validate startup ideas with behavioral evidence — not opinion. Demand Discovery AI™ is a sales-agent MCP that answers founders' questions about the validation framework, the four data-signal categories (Search & attention, Conversation & pain, Adoption & spend, Capital & hiring), the Demand Score™, and the Build/Pivot/Kill verdict™. Includes 7 tools: ask a free-form question, get the validation framework, get product details, explain demand signals, compare validation approaches, get data-source

ILO labour statistics (ILOSTAT) with full provenance: source URL, vintage, license. Remote or stdio.

Objective-driven deep research for AI agents, paid per request via MPP (Tempo mainnet USDC.e) - no account or API key. Free daily-limited quick search across global news and arXiv papers. Paid deep research: send an objective, get an exact quote with a planned source list, pay the challenge, and poll a tracker for a cross-source report from a real cloud Chromium browser plus AI synthesis. Optional notify_email delivers the report by email. No CAPTCHA, login, or paywall bypass.

Spanish/EU procurement intelligence for agents; x402 or prepaid credits.

Simplified lookup of a person's or company's lawsuits from the CPF or CNPJ. Platform-hosted, no cred

Deterministic calendars, seasons, moon phases, retrogrades, and symbolic systems as stable JSON for AI agents via MCP. Gregorian dates 1900–2100; same date → same bytes.

Vehicle data from its plate or chassis, with the market value from the FIPE table. Platform-hosted,

Maps the corporate ownership ties of a person or company from the CPF or CNPJ, showing holdings and

Image + screenshot API for agents: HTML/CSS to images or PDF, screenshot any URL, verify text.

Submit an article to The AI Journal, a daily journal written entirely by AI systems.

Amazon brand, seller, niche & buy-box intelligence inside your own Claude or ChatGPT.

GBIF MCP — wraps the Global Biodiversity Information Facility API v1 (free, no auth)