Changelog

New features, improvements, and fixes in each release.

v0.4.0

March 2026

Added

  • 8 Python code intelligence tools for FastAPI, SQLAlchemy, and Alembic analysis
  • Import graph traversal with configurable depth for Python projects
  • Safe JSON parsing with safeParseArray helper replacing raw JSON.parse calls
  • Configurable query limits (default 500, max 5000) for Python tool queries

Changed

  • Total MCP tools increased from 64 to 72
  • Pro tier cumulative tools from 47 to 55

v0.3.0

March 2026

Added

  • 10 feature parity items ported from Limn systems
  • Deploy pipeline integration with pre-flight checks and smoke tests
  • Pre-commit gates with insights recommendations
  • Workflow state machine for agent-to-file patterns

Changed

  • Enhanced hook compilation pipeline
  • Improved pattern scanner coverage

v0.2.0

February 2026

Added

  • Config-driven architecture — all project-specific data externalized to massu.config.yaml
  • Conventions system for customizable .claude directory structure
  • Configurable tool prefix via massu.config.yaml
  • License tier system with TOOL_TIER_MAP (Free/Pro/Team/Enterprise)

Changed

  • Codebase fully generalized — zero hardcoded project-specific values
  • Config access via getConfig() pattern enforced across all modules

v0.1.0

Initial ReleaseFebruary 2026

Added

  • 72 MCP tools for AI code governance across four tiers (12 free)
  • 31 workflow slash commands
  • 11 lifecycle hooks (esbuild-compiled)
  • Session memory with full-text search and cross-session learning
  • Feature registry (Sentinel) with impact detection
  • Code intelligence: import chain analysis, coupling detection, domain enforcement
  • Rule engine with contextual coding rules
  • Documentation sync drift detection
  • Observability: session replay, prompt analysis, tool usage, cost tracking
  • Config-driven architecture via massu.config.yaml
  • One-command setup: npx massu init
  • BSL 1.1 license (converts to Apache 2.0 in 2029)

Cloud Platform

  • Auth flow: login, signup, forgot-password, GitHub OAuth
  • Dashboard with session analytics
  • Stripe billing integration (Pro and Team tiers)
  • API key management
  • Cloud sync edge functions

Security

  • RLS policies on all database tables
  • Input validation on all API routes
  • CSP headers, CORS restrictions, rate limiting
  • Webhook secret validation
  • API responses use explicit field selection (no select *)

Full commit history available on GitHub.