The directory of tools for agents

Audits a page's on-page SEO in one call: head metadata, link profile, and keyword ideas. Give it a URL and get back head metadata (title, desc…

Verifies an email address with syntax, MX, disposable-domain, role-account, SPF, DMARC, and DKIM checks. Same DNS-safe email deliverability ba…

Generates AI video with fal.ai Bytedance Seedance. Duration, aspect ratio, and resolution are configurable. Same backend as text-to-video unde…

Search Hacker News for startup news, YC news, Show HN launches, and founder discussion through the Algolia HN index. Send a query, then filter…

Looks up ASN and geolocation for any IPv4 or IPv6 address: ASN number, ASN org, ISP, country, region, city, postal, latitude/longitude, and ti…

Calculates early payment discount APR and factoring economics. Same calculator as invoice-discount-calculator, exposed under likely buyer sear…

Computes a loan's amortization schedule and payment breakdown. Same backend as loan-amortization-calculator, focused on scheduled payment, pay…

Generates SFW event artwork, launch posters, and campaign backgrounds without relying on stock art. Same fast image-generate backend. Use it a…

Generates product descriptions and e-commerce listing copy from a product name plus optional category, audience, attributes, and tone. Returns…

Fetches the latest public tweets from any X username, with text, timestamps, metrics, pagination token, and author profile. Read-only X API v2…

Loads a public URL in a real headless browser with JavaScript executed, then returns the rendered HTML and page title, or a base64 screenshot.…

Normalize audio loudness to a target LUFS level for podcasts, YouTube, and Spotify delivery. Send an audio_url plus an optional target_lufs (d…