"An overview of penetration testing (pentest)" matching MCP connectors:

Millions of dated buying and momentum signals: who raised, who's hiring, what changed and when

Neutral, verification-gated MCP directory of Japan construction contractors (KIRA-audited).

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.

Open AI Visibility Index for crypto and Web3. Weekly share-of-answer measurements for 24 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.

Open AI Visibility Index for SaaS and AI tools. Weekly share-of-answer measurements for 20 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.

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

Moderated usability testing: read sessions, notes, transcripts, reports, and draft test scenarios.

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.

Connect AI to millions of laws and court cases with the Lawstronaut MCP.

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.

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.

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.

Verified gemmology reference: 168 terms and 12 handbooks, FGAA-reviewed, with citable URLs.

Source-cited data-handling comparison of 11 AI vendors: training, retention, opt-out.

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

Run AI market research: synthetic customer panels for concept testing, message testing, segments.

LuxAlgo Library — the encyclopedia of trading & technical analysis for AI agents. Free, keyless.

Federated search of books and papers, BibTeX/RIS citations, open-access retrieval and reading.