Deterministic AST behavioral diffing, caller blast radius mapping, and native Model Context Protocol (MCP) server for modern AI engineering.
View on GitHub ↗Homepage ↗Change Firewall ⚡ Your AI wrote the code. Change Firewall tells you what it actually broke.
🌐 Live Web App & Simulator: change-firewall.vercel.app
A local-first developer tool, CLI, and TypeScript engine that translates raw Git diffs into behavior-aware change reports, downstream blast-radius mapping, and deterministic risk scores (0–100). Native Model Context Protocol (MCP) server for Claude, Antigravity, Cursor, and Windsurf.
📑 Table of Contents - ❓ Why Use Change Firewall? - The Core Problem (Intent vs Consequences) - Git Diff vs Change Firewall - 🚀 Quick Start (Zero Install) - 📦 Installation Options - 🛠️ CLI Command Reference & Flags - 1. change-firewall (Default Analysis) - 2. change-firewall interactive (or inspect) (TUI Inspector) - 3. change-firewall preflight (or gate) (CI/CD Merge Gate) - 4. change-firewall graph (Architectural Behavior Graph) - 5. change-firewall memory (Persistent Invariant Memory) - 6. change-firewall audit-agent (AI Intent vs Reality Verifier) - 7. change-firewall impact (Blast Radius) - 8. change-firewall why (Architectural Role) - 9. change-firewall watch (Live Monitoring) - 10. change-firewall open (Dashboard Server) - 11. change-firewall demo (Simulation Mode) - 12. change-firewall mcp (Model Context Protocol) - 🧬 v0.2.1 Advanced Intelligence & Guarantees - 11-Dimensional Behavioral Fingerprint Matrix - Symbolic Runtime Crash Proof (Zero Guesswork) - 💻 Programmatic Node.js / TypeScript API - analyzeChanges() - evaluatePreflight() - computeBlastRadius() - startWatchMode() - createMcpServer() / startMcpServer() - 🤖 AI Coding Agent Self-Co
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