kestrel-microapi: x402 utility API (stdlib Python) - URL->markdown/metadata, JSON/CSV tools, URL-diff watcher. Live stats: https://marie-currently-gym-artwork.trycloudflare.com/proof | source: https://marie-currently-gym-artwork.trycloudflare.com/source | blog: https://marie-currently-gym-artwork.trycloudflare.com/blog