Shotkiln
Screenshot pages as PNG, JPEG or WebP, render a URL or HTML to PDF, and make 1200x630 OG images; key optional.
Show It Works
Public tool discovery; uploading verification videos and sharing viewer links require an API key.
Showoff
Art-direct 3D device mockups, App Store screenshot sets and launch videos for your app.
Signal Band
Evidence-weighted decision engines for venture and AI business cases: fund, pilot or stop, by published rules.
Signatoro
Fetch the saved email signature people and their AI agents append to every email they send or draft.
Signed
An angel investor's portfolio, deal pipeline, and contacts: positions, returns, pitches, notes, and transactions.
Silicon Valley Atlas
Search sourced profiles of AI startups, founders, funding and investors; rank likely buyers; manage outreach lists.
sinatra.dev
Hosted coding agent: start, follow, reply to and stop tasks that open GitHub pull requests.
sitectrl
Describe a site and get it live with SSL, forms and analytics; OAuth to edit and manage it.
Sitelas
Build a website from a template, preview it, publish on approval, then edit it and read its form messages.
SkillAgent
Search, rank and get install steps for AI agent skills, rules files and MCP servers indexed from GitHub.
SlashYear
Dated historical events, each a verbatim sentence from a cited Wikipedia revision, searchable by year, day or subject.
SlickTrip
Live flight, hotel and seat prices, cheapest-day calendars, and price-drop and seat alerts.
Slop
Read and search a feed of what people built with AI, and post it with a Build Receipt; replies and remixes need a key.
Slop Store
Agents publish AI-made apps that anyone can play in the browser, and search, vote on and review them.
smplkit
smplkit/mcp
Schedule HTTP jobs (cron, one-off or on-demand) with retries and run history.
snapWONDERS Vaultify
Forensic photo and video analysis, hidden-file steganography and media format conversion.
SnowSignals TrendVane
Market-phase state per currency across timeframes (not trade signals); free phase stats, metered live reads.
Social Casino Index
Daily-checked US social casino toplist: signup bonuses, payout times, redemption minimums and sources.
SocialDataX Instagram
Search Instagram posts and creators, and read media details and comments; API key for tool calls.
SocialFaktory
Write, schedule and publish a brand's social content on TikTok, Instagram, YouTube, X and more.
SofortFax
Send real faxes (PDF/JPG/photo) from AI chat to Germany, Austria and 40+ countries; pay per fax or prepaid credits.
Software Sausage
Search independent software and read-only agent workflows with roles, checks and safety boundaries.
Sovereign
cipherfoxie/sovereign-mcp
Search and read the Sovereign AI Blog on self-hosted AI on NVIDIA DGX Spark, and validate SGLang configs for GB10 hardware.
spacesheep
Publish pages your agent writes to a private, shareable URL, then read, comment on and update them.
Spelling Bee Hive
Look up spelling bee words with pronunciations, meanings and origins, and run practice rounds at nine levels.
SpendPreflight
Operated by SpendPreflight: sanctions screening and payment preflight, paid via x402 with a free trial.
SportAPI
Football fixtures, live scores, standings, lineups, teams and players for 117 leagues; tool calls need a free API key.
SpotWave
Day-ahead electricity prices for 40+ European market zones, all-in with energy tax, grid fees and VAT.
SpriteForge
Generate pixel-art sprites, animations and 16-tile Wang tilesets on a fixed grid, saved to your SpriteForge library.
Stablecoin Scanner
Stablecoin compliance on 7 chains: issuer freezes, OFAC, exposure and risk, allowances, transfers, wallet graph.
StackEasy
Read-only view of your credit cards: balances, utilization, best card for a purchase and missed rewards.
StartupPerks
Rank the startup credits, perks and deals a company qualifies for across 1,000+ programs, each with sourced terms.
State of Web Vitals
corewebvitals/state-of-cwv-mcp
Core Web Vitals metrics by CMS, CDN and framework, based on Chrome field data and a multi-site crawl.
static.md
Markdown notes and Excalidraw whiteboards your agent can read and write, with scoped OAuth and end-to-end encryption.
Statiko
Trending topics, channel metrics and post history from public Telegram; tools need OAuth.
StealthGuard 402
ak10082247-max/stealthguard-402
Stealth web scraper bypassing Cloudflare anti-bot via Scrapling, extracts clean DOM to Markdown, and sanitizes prompt injections with x402 micropayments on Base.
stillindexed
Indexability, robots.txt, sitemap, TLS, domain-expiry and AI-crawler checks for any URL; no account.
Stocks On Chain
Tokenized listed stocks by chain and issuer, with contract addresses and on-chain corporate actions.
StoreFast
Publish MSIX updates to the Microsoft Store, translate release notes, edit listings, and read downloads and reviews.
Storskarvia
Writing studio for novels and screenplays: cited fact-checks and continuity checks on your drafts; never writes prose.
Studiomcphub
codex-curator/studiomcphub
Creative AI tools: image generation, upscaling, background removal, product mockups, CMYK conversion, print-ready PDFs, SVG vectorization and watermarking.
SubmitMyStartup
Searches a free list of startup directories and launch sites with real submission results.
Subtraq
Create short links, track clicks and attribute sales to the placement that brought them; tools need a key.
SuguFAX
Send real faxes (PDF/photo) from AI chat to Japan, paid per fax from ¥400 or with prepaid credits.
Superflow Free Tools
Free website QA and AI-visibility checks: AI crawlability, robots.txt, llms.txt, JSON-LD and social previews.
SuperSend
Cold email and LinkedIn sequences: build campaigns, import contacts, check deliverability and triage replies.
Synci
Read-only bank, brokerage and crypto accounts: balances, transactions, holdings and connection health.