28 Unix tools. One binary. Zero dependencies.·the missing coreutils for the agent era·try vrk in your browser at vrk.sh/play·curl vrk.sh/install.sh | sh - ready in 5 seconds·

tag

#kv

8 posts tagged #kv

recipe

Page change detector

· 2 min read

You find out when a page changes, and you need no scraper, database, or diff tool. Hash the text of a web page and compare it with the hash stored on ...

recipe

JWT-based key lookup

· 1 min read

The JWT carries the key, so the lookup needs no custom parsing and no extra state. Read the sub claim from a JWT and use it as a key to look up data ...

recipe

Daily token budget

· 2 min read

The counter refuses the call once the daily limit is reached, so a runaway loop cannot use up your API budget. Add each prompt's token count to a kv ...

recipe

Chunked RAG pipeline

· 1 min read

Each chunk stays within the token limit of the embedding model, so indexing does not truncate text silently. Split a document into token-sized chunks ...

recipe

Cache LLM response

· 2 min read

The content hash is the cache key, so a rerun with the same input makes no API call. Hash the input, look the hash up in kv, and call the model only ...