AI Constraint Engine — enforces CLAUDE.md and .cursorrules as laws. 51 MCP tools.From the repository description
InstallClaude Code
claude mcp add speclock -- npx -y speclock
Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.
One thing to look at
24 stars24 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.
Keep looking
MCP servers are one crate of 325,949. Ordering is by how many stacks a row turns up in, so the top of any crate is what has actually been picked rather than what has the most stars.