Reprompt

open source

Analyze what you type into AI tools — prompt scoring, agent error loops, leaked credential detection.

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Open Source

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About Reprompt

Reprompt is a CLI and MCP server tool that analyzes AI prompts without requiring an LLM. It provides prompt scoring across 30+ research-backed features, automatic prompt rewriting, compression, and comprehensive diagnostics. The tool supports 9 AI platforms and runs all analysis locally in under 1ms per prompt with no network requests.

Key Features

Prompt scoring (0-100 scale)
Automatic prompt rewriting
Multi-layer prompt compression (40-60% token savings)
Privacy scanning for credentials and PII
Agent workflow analysis
Session quality analysis
Cross-session repetition detection
Model-aware prompt building

Use Cases

Improving prompt quality before sending to AI toolsDetecting leaked credentials and PII in promptsAnalyzing agent error loops and workflowsCompressing prompts to reduce token usageSession analysis and quality tracking