
SpecLock
AI Constraint Engine — Stop LLMs from breaking your code
SpecLock launched on March 2, 2026 with 4 votes, #2,516 of 23,380 launches that month and more than 75% of that year's launches.
What it does
SpecLock is the AI Constraint Engine — memory + enforcement for AI coding tools. The only solution that stops AI from breaking what you locked. Works with Bolt.new, Lovable, Claude Code, Cursor.
SpecLock — AI Constraint Engine that enforces CLAUDE.md, .cursorrules, and AGENTS.md rules as laws. 51 MCP tools, 1043 tests. npx speclock protect. Works with Claude Code, Cursor, Windsurf, Copilot, Cline.
Memory alone isn't enough — AI tools forget constraints, ignore decisions, and break what works. SpecLock is the AI Constraint Engine that gives your AI memory + active enforcement . Real tests on a live Bolt.new project. Auth files locked, database locked to Supabase. Here's what happens when Bolt tries to violate constraints. Only SpecLock knows what was intended vs what was done . Drift Score, Lock Coverage, Lock Strengthener — metrics no other tool can provide. Plus: Universal Rules Sync, Incident Replay, 10 safety templates. 51 MCP tools. 1043 tests. How much has your AI deviated from your architecture? Analyzes violations, overrides, reverts, lock churn, goal changes, and…from sgroy10.github.io
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