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DEVELOPER TOOLS / Sentry

Sentry Claude Settings Audit

Audits repository tooling to generate least-privilege Claude Code settings.json read-only allowlists.

“Analyze a repository to generate recommended Claude Code settings.json permissions. Use when setting up a new project, auditing existing settings, or determining which read-only bash commands to allow. Detects tech stack, build tools, and monorepo structure.”

01 / THE REASONING

Why this made the selection.

  • Inspects package manifests and monorepo configurations to discover project-specific read-only test, lint, and type-check commands.
  • Explicitly bans destructive commands and write operations from recommended auto-approved allowlists to maintain strict operator containment.

02 / THE REVIEW RECORD

What we actually inspected.

Source review has boundaries.
A clear record is more useful than a “safe” badge.

Material inspected

  • skills/claude-settings-audit/SKILL.md
  • LICENSE
  • README.md
  • vercel-labs/skills@48dc9e8eb8aa19040e91cb90ba0b642c9cbad57e:README.md

Our findings

  • License is Apache-2.0; the pinned LICENSE states Copyright 2025 Functional Software, Inc. dba Sentry.
  • The baseline examples include git status and git diff prefixes with arbitrary-argument suffixes; pnpm examples are pnpm list and pnpm why.
  • The definition excludes custom scripts and mutation commands but also describes :* as allowing arbitrary arguments, requiring explicit review of prefix breadth.
  • WebFetch domains for Django or Flask docs are added only when those frameworks are detected.
  • When multiple lock files exist, the definition includes commands only for each detected package manager and keeps MCP server suggestions in .mcp.json rather than settings.json.

Not established by this review

  • Settings generation was not executed against external repositories.
  • Claude Code configuration file writes were not performed.
  • Not executed: it was not installed or run.

The review applies to the material and revision named here. A newer upstream release can change its behavior.

03 / PUT IT TO WORK

Add a skill to your workflow.

Upstream setup instructions ↗

DOCUMENTED COMMAND

npx skills add getsentry/skills/skills/claude-settings-audit

Run in your terminal to choose your AI tools, project or global scope, and installation method. This short command follows the current upstream version; the review covers the revision shown above.

Optional: install the reviewed revision

Keeps the original source and installer version where recorded, while leaving your AI tools and installation scope for you to choose.

npx skills add https://github.com/getsentry/skills/tree/d18b7aa8ba878354e5c348310230e652f7690f9c/skills/claude-settings-audit
  1. Add the skill using the pinned npx skills add command.
  2. Run the audit skill within the target repository root to produce a settings recommendation.
  3. For manual installation instead, download the complete bundle from https://undominated.ai/resources/skills/getsentry-claude-settings-audit/bundle.zip and extract it into a new directory. It holds SKILL.md unchanged at revision d18b7aa8, the upstream licence and an attribution file.
  4. Place the extracted directory in your host's documented skills directory, named claude-settings-audit. Keep SKILL.md and the licence together.

Before you start

  • Node.js runtime
  • Claude Code CLI environment

THE COMPLETE REVIEWED DEFINITION

Read it before you reuse it.

Original source bytes, with attribution.
Review the host-specific setup notes above.

---
name: claude-settings-audit
description: Analyze a repository to generate recommended Claude Code settings.json permissions. Use when setting up a new project, auditing existing settings, or determining which read-only bash commands to allow. Detects tech stack, build tools, and monorepo structure.
---

# Claude Settings Audit

Analyze this repository and generate recommended Claude Code `settings.json` permissions for read-only commands.

## Phase 1: Detect Tech Stack

Run these commands to detect the repository structure:

```bash
ls -la
find . -maxdepth 2 \( -name "*.toml" -o -name "*.json" -o -name "*.lock" -o -name "*.yaml" -o -name "*.yml" -o -name "Makefile" -o -name "Dockerfile" -o -name "*.tf" \) 2>/dev/null | head -50
```

Check for these indicator files:

| Category     | Files to Check                                                                        |
| ------------ | ------------------------------------------------------------------------------------- |
| **Python**   | `pyproject.toml`, `setup.py`, `requirements.txt`, `Pipfile`, `poetry.lock`, `uv.lock` |
| **Node.js**  | `package.json`, `package-lock.json`, `yarn.lock`, `pnpm-lock.yaml`                    |
| **Go**       | `go.mod`, `go.sum`                                                                    |
| **Rust**     | `Cargo.toml`, `Cargo.lock`                                                            |
| **Ruby**     | `Gemfile`, `Gemfile.lock`                                                             |
| **Java**     | `pom.xml`, `build.gradle`, `build.gradle.kts`                                         |
| **Build**    | `Makefile`, `Dockerfile`, `docker-compose.yml`                                        |
| **Infra**    | `*.tf` files, `kubernetes/`, `helm/`                                                  |
| **Monorepo** | `lerna.json`, `nx.json`, `turbo.json`, `pnpm-workspace.yaml`                          |

## Phase 2: Detect Services

Check for service integrations:

| Service    | Detection                                                                       |
| ---------- | ------------------------------------------------------------------------------- |
| **Sentry** | `sentry-sdk` in deps, `@sentry/*` packages, `.sentryclirc`, `sentry.properties` |
| **Linear** | Linear config files, `.linear/` directory                                       |

Read dependency files to identify frameworks:

- `package.json` → check `dependencies` and `devDependencies`
- `pyproject.toml` → check `[project.dependencies]` or `[tool.poetry.dependencies]`
- `Gemfile` → check gem names
- `Cargo.toml` → check `[dependencies]`

## Phase 3: Check Existing Settings

```bash
cat .claude/settings.json 2>/dev/null || echo "No existing settings"
```

## Phase 4: Generate Recommendations

Build the allow list by combining:

### Baseline Commands (Always Include)

```json
[
  "Bash(ls:*)",
  "Bash(pwd:*)",
  "Bash(find:*)",
  "Bash(file:*)",
  "Bash(stat:*)",
  "Bash(wc:*)",
  "Bash(head:*)",
  "Bash(tail:*)",
  "Bash(cat:*)",
  "Bash(tree:*)",
  "Bash(git status:*)",
  "Bash(git log:*)",
  "Bash(git diff:*)",
  "Bash(git show:*)",
  "Bash(git branch:*)",
  "Bash(git remote:*)",
  "Bash(git tag:*)",
  "Bash(git stash list:*)",
  "Bash(git rev-parse:*)",
  "Bash(gh pr view:*)",
  "Bash(gh pr list:*)",
  "Bash(gh pr checks:*)",
  "Bash(gh pr diff:*)",
  "Bash(gh issue view:*)",
  "Bash(gh issue list:*)",
  "Bash(gh run view:*)",
  "Bash(gh run list:*)",
  "Bash(gh run logs:*)",
  "Bash(gh repo view:*)",
  "Bash(gh api:*)"
]
```

### Stack-Specific Commands

Only include commands for tools actually detected in the project.

#### Python (if any Python files or config detected)

| If Detected                        | Add These Commands                      |
| ---------------------------------- | --------------------------------------- |
| Any Python                         | `python --version`, `python3 --version` |
| `poetry.lock`                      | `poetry show`, `poetry env info`        |
| `uv.lock`                          | `uv pip list`, `uv tree`                |
| `Pipfile.lock`                     | `pipenv graph`                          |
| `requirements.txt` (no other lock) | `pip list`, `pip show`, `pip freeze`    |

#### Node.js (if package.json detected)

| If Detected                  | Add These Commands                     |
| ---------------------------- | -------------------------------------- |
| Any Node.js                  | `node --version`                       |
| `pnpm-lock.yaml`             | `pnpm list`, `pnpm why`                |
| `yarn.lock`                  | `yarn list`, `yarn info`, `yarn why`   |
| `package-lock.json`          | `npm list`, `npm view`, `npm outdated` |
| TypeScript (`tsconfig.json`) | `tsc --version`                        |

#### Other Languages

| If Detected    | Add These Commands                                                   |
| -------------- | -------------------------------------------------------------------- |
| `go.mod`       | `go version`, `go list`, `go mod graph`, `go env`                    |
| `Cargo.toml`   | `rustc --version`, `cargo --version`, `cargo tree`, `cargo metadata` |
| `Gemfile`      | `ruby --version`, `bundle list`, `bundle show`                       |
| `pom.xml`      | `java --version`, `mvn --version`, `mvn dependency:tree`             |
| `build.gradle` | `java --version`, `gradle --version`, `gradle dependencies`          |

#### Build Tools

| If Detected          | Add These Commands                                                   |
| -------------------- | -------------------------------------------------------------------- |
| `Dockerfile`         | `docker --version`, `docker ps`, `docker images`                     |
| `docker-compose.yml` | `docker-compose ps`, `docker-compose config`                         |
| `*.tf` files         | `terraform --version`, `terraform providers`, `terraform state list` |
| `Makefile`           | `make --version`, `make -n`                                          |

### Skills (for Sentry Projects)

If this is a Sentry project (or sentry-skills plugin is installed), include:

```json
[
  "Skill(sentry-skills:agents-md)",
  "Skill(sentry-skills:blog-writing-guide)",
  "Skill(sentry-skills:brand-guidelines)",
  "Skill(sentry-skills:claude-settings-audit)",
  "Skill(sentry-skills:code-review)",
  "Skill(sentry-skills:code-simplifier)",
  "Skill(sentry-skills:commit)",
  "Skill(sentry-skills:create-branch)",
  "Skill(sentry-skills:django-access-review)",
  "Skill(sentry-skills:django-perf-review)",
  "Skill(sentry-skills:doc-coauthoring)",
  "Skill(sentry-skills:document-api-endpoint)",
  "Skill(sentry-skills:find-bugs)",
  "Skill(sentry-skills:gh-review-requests)",
  "Skill(sentry-skills:gha-security-review)",
  "Skill(sentry-skills:iterate-pr)",
  "Skill(sentry-skills:pr-link-issue)",
  "Skill(sentry-skills:pr-writer)",
  "Skill(sentry-skills:presentation-creator)",
  "Skill(sentry-skills:prompt-optimizer)",
  "Skill(sentry-skills:secret-serialization)",
  "Skill(sentry-skills:security-review)",
  "Skill(sentry-skills:skill-scanner)",
  "Skill(sentry-skills:skill-writer)",
  "Skill(sentry-skills:sred-project-organizer)",
  "Skill(sentry-skills:sred-work-summary)",
  "Skill(sentry-skills:triage-frontend-issues)",
  "Skill(sentry-skills:typing-exclusion-worker)"
]
```

### WebFetch Domains

#### Always Include (Sentry Projects)

```json
[
  "WebFetch(domain:docs.sentry.io)",
  "WebFetch(domain:develop.sentry.dev)",
  "WebFetch(domain:docs.github.com)",
  "WebFetch(domain:cli.github.com)"
]
```

#### Framework-Specific

| If Detected    | Add Domains                                     |
| -------------- | ----------------------------------------------- |
| **Django**     | `docs.djangoproject.com`                        |
| **Flask**      | `flask.palletsprojects.com`                     |
| **FastAPI**    | `fastapi.tiangolo.com`                          |
| **React**      | `react.dev`                                     |
| **Next.js**    | `nextjs.org`                                    |
| **Vue**        | `vuejs.org`                                     |
| **Express**    | `expressjs.com`                                 |
| **Rails**      | `guides.rubyonrails.org`, `api.rubyonrails.org` |
| **Go**         | `pkg.go.dev`                                    |
| **Rust**       | `docs.rs`, `doc.rust-lang.org`                  |
| **Docker**     | `docs.docker.com`                               |
| **Kubernetes** | `kubernetes.io`                                 |
| **Terraform**  | `registry.terraform.io`                         |

### MCP Server Suggestions

MCP servers are configured in `.mcp.json` (not `settings.json`). Check for existing config:

```bash
cat .mcp.json 2>/dev/null || echo "No existing .mcp.json"
```

#### Sentry MCP (if Sentry SDK detected)

Add to `.mcp.json` (replace `{org-slug}` and `{project-slug}` with your Sentry organization and project slugs):

```json
{
  "mcpServers": {
    "sentry": {
      "type": "http",
      "url": "https://mcp.sentry.dev/mcp/{org-slug}/{project-slug}"
    }
  }
}
```

#### Linear MCP (if Linear usage detected)

Add to `.mcp.json`:

```json
{
  "mcpServers": {
    "linear": {
      "command": "npx",
      "args": ["-y", "@linear/mcp-server"],
      "env": {
        "LINEAR_API_KEY": "${LINEAR_API_KEY}"
      }
    }
  }
}
```

**Note**: Never suggest GitHub MCP. Always use `gh` CLI commands for GitHub.

## Output Format

Present your findings as:

1. **Summary Table** - What was detected
2. **Recommended settings.json** - Complete JSON ready to copy
3. **MCP Suggestions** - If applicable
4. **Merge Instructions** - If existing settings found

Example output structure:

```markdown
## Detected Tech Stack

| Category        | Found          |
| --------------- | -------------- |
| Languages       | Python 3.x     |
| Package Manager | poetry         |
| Frameworks      | Django, Celery |
| Services        | Sentry         |
| Build Tools     | Docker, Make   |

## Recommended .claude/settings.json

\`\`\`json
{
"permissions": {
"allow": [
// ... grouped by category with comments
],
"deny": []
}
}
\`\`\`

## Recommended .mcp.json (if applicable)

If you use Sentry or Linear, add the MCP config to `.mcp.json`...
```

## Important Rules

### What to Include

- Only READ-ONLY commands that cannot modify state
- Only tools that are actually used by the project (detected via lock files)
- Standard system commands (ls, cat, find, etc.)
- The `:*` suffix allows any arguments to the base command

### What to NEVER Include

- **Absolute paths** - Never include user-specific paths like `/home/user/scripts/foo` or `/Users/name/bin/bar`
- **Custom scripts** - Never include project scripts that may have side effects (e.g., `./scripts/deploy.sh`)
- **Alternative package managers** - If the project uses pnpm, do NOT include npm/yarn commands
- **Commands that modify state** - No install, build, run, write, or delete commands

### Package Manager Rules

Only include the package manager actually used by the project:

| If Detected         | Include         | Do NOT Include                         |
| ------------------- | --------------- | -------------------------------------- |
| `pnpm-lock.yaml`    | pnpm commands   | npm, yarn                              |
| `yarn.lock`         | yarn commands   | npm, pnpm                              |
| `package-lock.json` | npm commands    | yarn, pnpm                             |
| `poetry.lock`       | poetry commands | pip (unless also has requirements.txt) |
| `uv.lock`           | uv commands     | pip, poetry                            |
| `Pipfile.lock`      | pipenv commands | pip, poetry                            |

If multiple lock files exist, include only the commands for each detected manager.

The download contains SKILL.md. Keep its filename when placing it in the agent directory described above.

By Sentry. Exact upstream source ↗ · Licence · Attribution

SHA-256 53e0964b7a98c351e6d3dda055abb33ec5e2c287eebd4c74485b60312be9dfa9

Read the applicable licence
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   Copyright 2025 Functional Software, Inc. dba Sentry

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04 / FOLLOW THE EVIDENCE

The source trail.

Our notes are separate from the original resource.
Check upstream before adopting a new version.

  1. https://github.com/getsentry/skills/blob/d18b7aa8ba878354e5c348310230e652f7690f9c/skills/claude-settings-audit/SKILL.md

    Supports: summary, whySelected, bestFor, limitations

  2. Sentry skills license ↗Checked

    https://github.com/getsentry/skills/blob/d18b7aa8ba878354e5c348310230e652f7690f9c/LICENSE

    Supports: license

  3. https://raw.githubusercontent.com/getsentry/skills/d18b7aa8ba878354e5c348310230e652f7690f9c/skills/claude-settings-audit/SKILL.md

    Supports: review.findings, bestFor

Evidence & Ask