A client-side developer toolkit available on the web, CLI, and as an MCP server for Cursor and Claude. It provides local utilities for timestamps, JSON, cron, cryptography, networking, configuration, and developer workflows.
Prices and medians update for the tier you select.
Ranked by how closely each one matches Castov's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.