Show HN: Control Claude permissions using a cloud-based decision table UI

Show HN (score: 6)
Found: January 15, 2026
ID: 3021

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Show HN: Control Claude permissions using a cloud-based decision table UI We’ve been building visual rule engines (clear interfaces + API endpoints that help map input data to a large number of outcomes) for a while and had the fun idea lately to see what happens when we use our decision table UI with Claude’s PreToolUse hook.

The result is a surprisingly useful policy/gating layer– these tables let your team:

- Write multi-factor, exception-friendly policies (e.g. deny rm -rf / when --force; allow cleanup only in node_modules; ask on network calls like curl/wget; block kubectl delete or SQL DROP, each with a clear reason)

- Roll out policy changes instantly (mid-run, flip a risky operation from allow → ask; the next attempt across devs and agents is gated immediately– no git pull, agent restart, or coordination)

- Adopt lightweight governance that is somewhat agent agnostic and survives churn (MCP/skills/etc)- just add columns/rules as new tools and metadata show up

- Get a quick central utility to understand which tools are being used, which tools get blocked most often, and why

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