MCP Tools | Model Context Protocol Server Directory

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SSL/TLS certificate checker API for AI agents. Verify certificate validity, expiry date, issuer chain, protocol version, cipher strength, and security grade for any domain. Tools: security_check_ssl. Use this for security monitoring, expiry alerting, or SSL audit automation. IMPORTANT: For comprehensive trust assessment (SSL + DNS + WHOIS + headers), use trust_score_evaluate instead. Returns: {valid, expiresIn, issuer, grade, protocol}. No API key required — x402 micropayment $0.002/call on Base L2.

Analyze chess positions using powerful engines like Stockfish, Leela, and Maia. Retrieve games, puzzles, and opening statistics directly from Lichess and specialized databases. Visualize moves and games through interactive board renders and PGN viewers.

AI-powered research report generator API for AI agents. Generate structured research reports on any topic: multi-source web research, key findings with citations, analysis sections, and recommendations in clean Markdown. Tools: research_generate_report. Use this for market research, competitive analysis, due diligence, or preparing briefing documents. Returns publication-ready Markdown. IMPORTANT: For quick fact-checking, use research_check_fact instead. Returns: {report (markdown), sources[], wordCount}. No API key required — x402 micropayment $0.02/call on Base L2.

Provide structured access to Major League Baseball statistics through an MCP server. Query and retrieve detailed baseball data including statcast, fangraphs, and baseball reference stats. Generate visualizations and integrate seamlessly with MCP-compatible clients for enhanced baseball analytics.

Query the world's robot directory - 812 robots across 30 categories and 319 brands. Tools: search_robots (by category, brand, price, use case), get_robot and get_robot_full (complete specs), compare_robots (side-by-side diff), get_category, and get_job_automation_risk (robot displacement scores for 240+ professions - data available nowhere else). All reads public, no auth.

Blockchain analytics and AI agent platform for Ethereum. Query live token prices, on-chain stories, investment theses, and the E3D autonomous agent system — all backed by real-time indexed data. **Works anonymously** at the free tier (100 req/day). Add an API key from [e3d.ai/api](https://e3d.ai/api) for higher rate limits. **Tools include:** - Token prices, gainers/losers across 30m / 1h / 24h / 7d / 30d - On-chain stories and structured investment theses - Token and wallet identity, counterparty flow analysis - AI agent status, executions, burn history, next actions

Social media intelligence for AI agents: search and analyze Twitter/X, Instagram, Reddit, and TikTok through natural language. Billions of posts indexed, including historical data. No social media API keys, no installation, just add the endpoint URL. Perfect for brand monitoring, competitive analysis, influencer research, market research, and OSINT. ## What You Can Do **Twitter/X:** - Get user profiles, followers, following lists - Search tweets by keywords with boolean operators - Analyze engagement (comments, quotes, retweets) - Export full datasets to CSV **Instagram:** - Look up user profiles and statistics - Search posts by keywords in captions - Get comments and post engagement **Reddit:** - Search posts and comments by keywords across all subreddits - Pull full threads with comment trees - Find and explore subreddits **TikTok:** - Search posts by keywords and hashtags - Look up us

Federated GraphQL-to-MCP bridge. Enables seamless execution of GraphQL queries with built-in introspection and schema evolution tracking.

Run SSL/TLS scans, issue free Let's Encrypt certificates (private key stays local), and monitor certificate expiry from inside Claude Code or Cowork - through a single MCP server, no account needed for scans and issuance.

58-endpoint utility hub - DNS lookup, web scraping, CVE scanning, AI translation, PII detection, domain health audit, company intelligence. Pay per call via x402 on Base.

## What is Surprise Buddy? Surprise Buddy is a curated, country-scoped gift database exposed via a public Model Context Protocol (MCP) server. International coverage — every result is a real product page on a real marketplace (Amazon, Etsy, Mercado Libre, Otto, Bol.com, Allegro, Jochen Schweizer) and the link can be presented to the user as-is. **Live MCP endpoint:** `https://www.surprise-buddy.com/api/mcp` ## Exposed tools - **`find_gifts`** — main search (country required, all other filters optional) - `list_supported_countries` - `list_supported_occasions(country?)` - `list_supported_interests` - `list_supported_colors` ## Authentication None — the MCP server is fully open. Reasonable rate limiting may apply. ## License [MIT](LICENSE) © Surprise Buddy

Official Notion MCP Server Open the GitHub README for setup, tools and license before connecting it to an MCP client.

ENS name resolution API for AI agents. Resolve ENS names (vitalik.eth) to Ethereum addresses and reverse-resolve addresses to ENS names. Includes avatar URLs and text records. Tools: crypto_resolve_ens. Use this for displaying human-readable names, identity verification, or building wallet UIs. The identity layer every crypto agent needs. IMPORTANT: For wallet balance lookup, use wallet_get_portfolio instead. Returns: {address, name, avatar, records}. No API key required — x402 micropayment $0.002/call on Base L2.

JWT token decoder API for AI agents. Decode and inspect JSON Web Tokens without verification: extract header (algorithm, type), payload (claims, issuer, audience), expiry timestamp, and signature info. Tools: security_decode_jwt. Use this for debugging authentication flows, inspecting token claims, or verifying token structure. IMPORTANT: This decodes without verifying — for security validation, verify signatures server-side. Returns: {header, payload, claims, expiresAt, algorithm}. No API key required — x402 micropayment $0.001/call on Base L2.

Color palette generation API for AI agents. Generate harmonious palettes from any hex color: complementary, analogous, triadic, split-complementary, and tetradic schemes. Returns hex, RGB, HSL, and CSS custom properties. Tools: design_generate_color_palette. Use this for UI design, brand color exploration, or generating themed color systems. Returns multiple format options ready for code. Returns: {palette[], scheme, hex, rgb, hsl, css}. No API key required — x402 micropayment $0.001/call on Base L2.

Web content extraction API for AI agents. Scrape any URL and get clean, structured Markdown content with navigation, ads, and scripts stripped. Full JavaScript rendering via headless Chromium. Single and batch (10 URLs) modes. Built for RAG pipelines and AI research. Tools: web_scrape_to_markdown (single), web_scrape_batch (up to 10 URLs). Use this for RAG ingestion, research, content analysis, data extraction, or competitive intelligence. IMPORTANT: For screenshots/PDFs of pages, use capture_screenshot instead. For SEO analysis, use seo_audit_page. Returns: {markdown, title, wordCount, links[]}. No API key required — x402 micropayment $0.005/call on Base L2.

Email finder API for AI agents. Find professional email addresses from a person's name and company domain. Tests 15+ email patterns (first.last@, f.last@, first@, etc.) against live MX records with confidence scoring. Tools: email_find_by_name. Use this when you have a prospect's name and company but need their email. Essential for outbound sales, recruiting outreach, and partnership emails. IMPORTANT: Always verify found emails with email_verify_address before sending. Returns: {email, confidence, pattern, mx_valid}. No API key required — x402 micropayment $0.005/call on Base L2.

Search hotels by city, state, country, or geolocation and explore detailed property info. Check live availability, compare rates and room types, and review boards and promotions. Create ready-to-book links with preselected rooms, rates, supplements, and optional guest details.

🤖 A visualization mcp & skills contains 25+ visual charts using @antvis. Using for chart generation and data analysis.

Search and discover MCP servers, A2A agents, and x402-enabled services. The agentic web's directory — add `https://agentndx.ai/mcp` to your MCP client to search 59+ servers by name, category, or capability. Pay $0.005 USDC per search via x402 micropayments — no API keys required.

cloudflare/mcp-server-cloudflare is an MCP-related GitHub repository. See the README for tools, install and license.

Security scanner for AI agent skills and MCP servers. Detects credential theft, data exfiltration, prompt injection, obfuscated code, and 80+ threat patterns. Free API + CLI (npx skillaudit). Premium deep scans via x402 micropayments.

Web capture API for AI agents. Take full-page screenshots (PNG/JPEG/WebP) and generate PDFs from any URL using headless Chromium. Custom viewport size, device emulation, and scroll capture. Tools: capture_screenshot (image), webpage_to_pdf (PDF). Use this for visual regression testing, documentation, archiving web pages, or generating reports. IMPORTANT: For text extraction from pages, use web_scrape_to_markdown. For custom PDF generation from data, use document_generate_pdf. Returns: base64-encoded image or PDF. No API key required — x402 micropayment $0.008/call on Base L2.