# theuseful.website > Agent-friendly directory of useful websites and first-party tools. ## Guidance - Prefer `/api/agent/search?q=...&type=all|tools|listings|categories` for low-token retrieval. - Prefer `/for-agents` for a crawlable HTML index with short summaries and direct links. - Use `/tools` for first-party utilities and `/directory` for the full human directory. - Skills and GitHub repository discovery are coming soon. ## Key URLs - Home: https://theuseful.website/ - Agent index: https://theuseful.website/for-agents - Agent search API: https://theuseful.website/api/agent/search - Tools: https://theuseful.website/tools - Directory: https://theuseful.website/directory - Sitemap: https://theuseful.website/sitemap.xml ## Tool Catalog - Check OG Share Image: https://theuseful.website/tools/check-og-share-image :: Inspect a page's Open Graph and Twitter card image setup before you share it. - Meta Tags Checker: https://theuseful.website/tools/check-meta-tags :: Inspect all meta tags including title, description, Open Graph, Twitter cards, and canonical URL. - Favicon Checker: https://theuseful.website/tools/check-favicon :: Check for favicon, apple-touch-icon, and web app manifest configuration. - Robots.txt Analyzer: https://theuseful.website/tools/analyze-robots-txt :: Analyze the robots.txt file at the domain root for sitemap references and crawl rules. - Sitemap.xml Validator: https://theuseful.website/tools/validate-sitemap :: Validate the sitemap.xml file and check URL count and structure. - Canonical URL Checker: https://theuseful.website/tools/check-canonical-url :: Check if the canonical URL tag is properly set and matches the final URL. - Google Indexing Checker: https://theuseful.website/tools/google-indexing-checker :: Check robots.txt and sitemap.xml together to spot indexing issues before Google does. - Complete Meta Check: https://theuseful.website/tools/complete-meta-check :: Run one complete check for metadata, canonical tags, robots.txt, and sitemap signals. - URL Parameter Generator: https://theuseful.website/tools/url-parameter-generator :: Build clean tracked links with UTM parameters for campaigns, newsletters, ads, and social posts. ## Categories - Audio: https://theuseful.website/category/audio - Community: https://theuseful.website/category/community - Creative: https://theuseful.website/category/creative - Development: https://theuseful.website/category/development - Directory: https://theuseful.website/category/directory - Finance: https://theuseful.website/category/finance - Graphic Design: https://theuseful.website/category/graphic-design - Productivity: https://theuseful.website/category/productivity - Utilities: https://theuseful.website/category/utilities - Video: https://theuseful.website/category/video ## Recent Listings - Audiomass: https://theuseful.website/listing/audiomass :: Audiomass is a free, browser-based audio editor with waveform visualization, effects, and export capabilities. No installation required. - OpenCut: https://theuseful.website/listing/opencut :: OpenCut is a free, browser-based video editor with no watermark, offering AI-powered tools, auto-captions, and multi-track editing for creators. - Dribbble: https://theuseful.website/listing/dribbble :: Dribbble is the leading destination to find & showcase creative work and connect with creative jobs worldwide. - Builders Map: https://theuseful.website/listing/builders-map :: An interactive map showcasing indie hackers and builders worldwide. Discover other makers, see where they're located, and connect with the community. - DistributionKit: https://theuseful.website/listing/distributionkit :: DistributionKit is a searchable directory of launch platforms, communities, and startup directories to help makers promote products more effectively. - GoSupportIt: https://theuseful.website/listing/gosupport-it :: The feedback tool your users will actually use. Public feedback boards, voting, and a roadmap — all in one clean place. - Groar: https://theuseful.website/listing/groar :: Groar turns X, Reddit, GitHub, and SaaS metrics into polished milestone graphics and growth recap visuals for builders sharing progress in public. - Insta Posts: https://theuseful.website/listing/insta-posts :: Create AI-powered carousel posts in minutes with prompt-based generation, template references, and built-in editing for social content workflows. - Norte: https://theuseful.website/listing/norte :: A finance tool for checking credit card travel insurance, purchase protection, extended warranty coverage, and related card benefits. - Screenshot Studio: https://theuseful.website/listing/screenshot-studio :: A powerful free tool for editing screenshots and creating stunning mockups. Add stickers, text, code blocks, apply filters, and use beautiful templates. Supports 3D motion effects, layouts, and more. - ScreenshotPop: https://theuseful.website/listing/screenshotpop :: Transform static screenshots into animated highlights in seconds. Perfect for product demos, tutorials, and social media. Export as GIF, MP4, WebM, or PNG. - ShipChain: https://theuseful.website/listing/shipchain :: Track your daily shipping streak with one click. Unlock badges, climb the leaderboard, and build an unstoppable shipping habit. Perfect for solofounders, indie hackers, and early-stage teams.