AI Constraint Engine — enforces CLAUDE.md, .cursorrules, AGENTS.md rules as laws. 51 MCP tools, 991 tests. Official MCP Registry. npx speclock protect

A constraint-aware decision-support system for Aalto course planning, designed around deterministic ranking and explicit scheduling trade-offs

A substrate daemon for the cooperative internet. Constraint engine where apps translate governance into generic constraints, kernel enforces them blindly.

ChatPDM: deterministic language governance system (no drift, no generation, constraint-based resolution)