Open-source Rails admin theme for Active Admin 3 and 4. Warm cream canvas, coral accents, editorial typography, and optional dark mode on AA4. Install with `rails generate activeadmin_claude_theme:install`. Community theme — not affiliated with Anthropic.

Advice Generator is a simple tool for generating random pieces of advice. It returns a random piece of advice.

Lightweight middleware for Rails, Sinatra, and Rack applications to automatically capture API request logs, errors, and latencies.

Adds WebDAV HTTP methods (PROPFIND, PROPPATCH, MKCOL, COPY, MOVE, LOCK, UNLOCK, REPORT, SEARCH) to Faraday connections.

Implementation of JSON RPC 2.0 protocol. It allows you to create easily a json rpc server in pure Rack, in Rails, or asynchronous using Thin and EventMachine.

Protects expensive controller actions from thundering-herd overload by queuing overflow users, issuing signed admission tickets, and letting users wait on a lightweight Engine-provided page.

Age Calculator is a simple tool for calculating age from the date of birth. It returns the calculated age based on the date of birth provided.

Airports is a simple tool for getting airport data. It returns the airport name, location, and more.

Anagram Puzzle Generator creates word puzzles where players rearrange scrambled letters to form valid words, with optional hints.

Barcode Generator is a simple tool for generating barcodes from data. It returns a URL to the generated image of the barcode.

Baby Name Generator is a simple tool for generating baby names. It returns a list of baby names.

BIMI Validator checks if a domain has a valid BIMI record published in DNS. BIMI enables domain owners to display verified logos in supported email clients.

Bitcoin Price is a simple tool for getting the current price of Bitcoin. It returns the current price, market cap, 24-hour trading volume, and 24-hour price change in any currency.

Official Ruby SDK for the letmesend.email API.

Bluetooth Company Lookup allows you to identify Bluetooth device manufacturers by their Bluetooth SIG assigned company identifier. This helps identify the manufacturer of Bluetooth devices, beacons, and accessories.

CAA Record Parser analyzes DNS CAA records that specify which Certificate Authorities are authorized to issue certificates for a domain.

Compliment Generator creates unique, heartfelt compliments using template-based generation with extensive word banks. Perfect for apps, chatbots, or spreading positivity.

Lightweight middleware for Rails, Sinatra, and Rack applications to automatically capture API request logs, errors, and latencies.

Air Quality is a simple tool for getting air quality data. It returns the air quality index, o3, pm2, and more.

Article Ideas is a simple tool for generating article ideas. It returns a list of article ideas.