Learn Spec-Driven Development
Real-world examples, case studies, and best practices for building production-ready code with runtime contracts and AI assistance.
Featured Posts
Why Legacy Code Modernization Needs Runtime Enforcement, Not Just Documentation
Legacy modernization is a $25B market, but documentation alone doesn't prevent regressions. Runtime contract enforcement catches bugs automatically, while symbolic execution finds edge cases mathematically.
Read article →code2spec: How SpecFact Reverse Engineers Python Legacy Code
Step-by-step guide to reverse engineering legacy Python code into executable contracts. Learn how SpecFact uses AST analysis, contract generation, and symbolic execution to document undocumented codebases in minutes, not weeks.
Read article →We Dogfooded SpecFact CLI on Itself
We ran SpecFact CLI on its own codebase. In under 10 seconds, it discovered 19 features, found 24 deviations, and blocked a merge.
Read article →5 Real Bugs Our CLI Caught
Async race conditions, type mismatches, breaking changes — here are 5 real bugs caught through VS Code, Cursor, and GitHub Actions.
Read article →Resources
Getting Started
Install SpecFact and run your first analysis.
Documentation
Complete guides and reference docs.
Agile Team Workflows
Persona-based collaboration for POs, devs, and architects.
Bridge Adapters
Spec-Kit (first). Azure DevOps, Jira, Linear coming.
Discussions
Ask questions, share ideas on GitHub.
Issues
Report bugs or request features.
Ready to start?
For best results, use slash commands in your AI IDE (Cursor, VS Code + Copilot):
specfact init --ide cursor Then use /specfact.01-import --repo . in your IDE for LLM-enriched analysis.
Or run CLI directly: uvx specfact-cli@latest import from-code my-project --repo .