AI Constraint Engine — enforces CLAUDE.md and .cursorrules as laws. 51 MCP tools.
{
"mcpServers": {
"speclock": {
"args": [
"-y",
"speclock",
"serve",
"--project",
"."
],
"command": "npx"
}
}
}Are you the author?
Add this badge to your README to show your security score and help users find safe servers.
npx speclock protect # Install in your project (creates CLAUDE.md if missing) speclock mcp install claude-code # Wire up MCP for Claude Code (or cursor, windsurf, cline, codex) speclock doctor # Verify everything is set up correctly
Is it safe?
No known CVEs for speclock.
No authentication — any process on your machine can connect.
License not specified.
Is it maintained?
Last commit 0 days ago. 22 stars.
Will it work with my client?
Transport: stdio, sse, http. Works with Claude Desktop, Cursor, Claude Code, and most MCP clients.
Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
npx -y 'speclock' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
No known vulnerabilities.
Have you used this server?
Share your experience — it helps other developers decide.
Sign in to write a review.
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Browse all badge variants at sgroy10.github.io/speclock/badge.html · or run speclock badge in your terminal.
Website · npm · Smithery · GitHub
Developed by Sandeep Roy · Free & Open Source (MIT License)
npx speclock protect # Install in your project (creates CLAUDE.md if missing)
speclock mcp install claude-code # Wire up MCP for Claude Code (or cursor, windsurf, cline, codex)
speclock doctor # Verify everything is set up correctly
That's it. Your AI now has rules it can't ignore. Default mode is WARN (loud warnings, no blocks). Opt in to hard enforcement with speclock protect --strict.
--strict or SPECLOCK_STRICT=1.speclock mcp install <client> — autoinstaller for Claude Code, Cursor, Windsurf, Cline, Codex. No more hand-editing JSON.speclock protect in fresh projects auto-creates CLAUDE.md with safe defaults.speclock doctor — health check verifying installation, git hook, rule files, and MCP integration. Prints exact