permission-analyzer

Original：🇺🇸 English

Translated

1 scriptsChecked / no sensitive code detected

Generate Claude Code permissions config from session history. Use when setting up autonomous mode, configuring .claude/settings.json, avoiding --dangerously-skip-permissions, or analyzing what permissions a project needs. Reads session logs to extract Bash commands and MCP tools actually used, then generates appropriate allow/deny rules.

12installs

Sourcearjenschwarz/agentic-coding

Added on2026-02-22

NPX Install

npx skill4agent add arjenschwarz/agentic-coding permission-analyzer

SKILL.md Content

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Permission Analyzer

Generate permissions configuration based on actual tool usage from past sessions.

Workflow

Run the analysis script for the current project:

bash

~/.claude/skills/permission-analyzer/scripts/analyze_permissions.py

Review the generated permissions output
Offer to merge into existing settings:
- If
```
.claude/settings.json
```
  exists, merge the
```
permissions
```
  section
- If not, create new file with generated config
- Preserve existing settings (model, env, etc.)

Script Output

The script outputs to stderr (summary) and stdout (JSON):

Analyzing: /path/to/project
Sessions analyzed: 42

Bash commands found:
  git: 150
  make: 80
  go: 45

MCP tools found:
  mcp__devtools__think

{
  "permissions": {
    "allow": ["Bash(git:*)", "Bash(go:*)", ...],
    "deny": [...],
    "defaultMode": "acceptEdits"
  }
}

Generated Rules

Allow list includes:

Development commands used (git, make, go, npm, cargo, etc.)
Filesystem commands used (ls, mkdir, find, etc.)
MCP server wildcards for servers that were used

Deny list includes:

Dangerous gh operations (merge, delete, secrets, auth)
Sensitive file patterns (.env, secrets/, *.pem, *.key)
Destructive commands (rm -rf, sudo, chmod 777)

Merging Settings

When

.claude/settings.json

exists, merge only the

permissions

key while preserving other settings. If user has custom allow/deny rules, ask whether to merge or replace.