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New tool 'nah' offers deterministic safety guards for coding agents

Manuel Schipper has developed 'nah', a Python-based tool designed to provide deterministic safety guards for coding agents like Claude Code. Unlike prompt-based or allow/deny list approaches, nah maps tool calls to a taxonomy of intents, adding context such as project details and sensitive file locations. It then applies user-defined configurations and classifiers to either allow, block, or ask for clarification before an action is executed, aiming to prevent security risks like credential leaks or destructive commands. AI

IMPACT Provides a deterministic, auditable layer for managing AI agent actions, potentially reducing security risks and improving developer trust.

RANK_REASON The cluster describes a new software tool for managing AI agent permissions.

Read on HN — claude cli stories →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

New tool 'nah' offers deterministic safety guards for coding agents

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
The cluster describes a new software tool for managing AI agent permissions.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product, safety
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
218 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. HN — claude cli stories TIER_1 English(EN) · schipperai ·

    Show HN: A context-aware permission guard for Claude Code