promptcrab is an open-source CLI tool that provides a pipeline for rewriting prompts, verifying their structure, and counting tokens. It is designed for developers working with large language models and prompt engineering workflows.
In the CLI tools & terminal space, promptcrab takes a focused approach. It focuses on automating prompt rewriting and validation for LLM workflows via the command line. promptcrab is an open-source project aimed at developers working with LLM prompts. The project is open source (Open Source). The product ships for the command line.
conscientiousness builds and maintains promptcrab, and the product first shipped in 2026. The project is developed in the open on GitHub with 9 commits in the last 90 days. Across PulseGate's embedding index, promptcrab has few near neighbours, marking it as relatively distinct. Among its 4 catalogued features are prompt rewriting, token counting, and verification pipeline.
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