xnaut-review

xnaut-review is a skill for Claude Code, Codex from 48Nauts-Operator/xNaut. It costs 35 tokens per session (1,430 once invoked), scanned A, original, MIT.

A tool for adding review notes beside changed lines in a worktree’s diff, which is the set of file changes in a working copy. It works with an already running xNaut diff viewer.

In plain words
What is it for?
Use it to inspect a worktree’s changes and existing notes, then add inline comments to guide a code review.
Why use it?
It lets an agent place feedback directly next to the relevant code without opening or controlling its own review window.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to inspect a worktree’s changes and existing notes, then add inline comments to guide a code review.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/48nauts-operator/xnaut/xnaut-review
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add 48Nauts-Operator/xNaut --skill xnaut-review
Clone the repo
git clone --depth 1 https://github.com/48Nauts-Operator/xNaut

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for xnaut-review

README.md
[![agentmods](https://agentmods.dev/badge/skills/48nauts-operator/xnaut/xnaut-review/github.svg)](https://agentmods.dev/skills/48nauts-operator/xnaut/xnaut-review)
Your own site
<a href="https://agentmods.dev/skills/48nauts-operator/xnaut/xnaut-review"><img src="https://agentmods.dev/badge/skills/48nauts-operator/xnaut/xnaut-review/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for xnaut-review

Your own site · 80×15
<a href="https://agentmods.dev/skills/48nauts-operator/xnaut/xnaut-review"><img src="https://agentmods.dev/badge/skills/48nauts-operator/xnaut/xnaut-review.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 35 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,430 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00035 $0.01430
Opus 5 $0.00017 $0.00715
Sonnet 5 $0.00007 $0.00286
Haiku 4.5 $0.00003 $0.00143

Measured 11d ago against content hash 7ee8a3e56b72, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

xnaut-review scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -X POST http://127.0.0.1:<port>/v1/notes \
skills/xnaut-review/SKILL.md · 89 lines

How it starts

The opening of the file, as written. The whole thing — 89 lines — stays where its author put it; the contents beside it link to each section on GitHub.

xNaut is a Tauri-native terminal + worktree review app. When the user opens a diff pane (the side-by-side / unified view with a worktree path), this skill lets an AI agent leave inline annotations that float beside the changed lines.

The diff viewer is for the user — do NOT run your own viewer. Use the local-loopback HTTP broker at http://127.0.0.1:<port>/v1/notes to inspect and control the live session. The port is the same one xNaut prints on startup as Agent hook listener at http://127.0.0.1:<port>/v1/hook — replace /v1/hook with /v1/notes.

Action vocabulary

Every request is a POST with Content-Type: application/json. The action field discriminates:

curl -X POST http://127.0.0.1:<port>/v1/notes \
  -H 'content-type: application/json' \
  --data '{ "action": "<verb>", ...payload }'

Read

  • { "action": "list" } — placeholder; xNaut doesn't track all known worktrees yet.
  • { "action": "get", "worktree": "<abs path>" } — full notes document.
  • { "action": "review", "worktree": "<abs path>", "includePatch": true, "includeNotes": true } — diff + existing notes together. Call this first before authoring any new comment so you know the line numbers and structure.

Annotate

  • { "action": "comment-add", "worktree": "<abs>", "filePath": "src/foo.rs", "side": "new", "line": 42, "summary": "<headline>", "rationale": "<why, optional>", "author": "claude", "reveal": true } — single inline note.
  • { "action": "comment-apply", "worktree": "<abs>", "comments": [{ ... }, { ... }], "revealMode": "first" } — batch. Validates the whole list before mutating, so a single bad item doesn't half-apply.
  • { "action": "comment-rm", "worktree": "<abs>", "commentId": "<uuid>" } — remove a single annotation.
  • { "action": "comment-clear", "worktree": "<abs>", "filePath": null, "includeUser": false } — clear AI/agent notes. With includeUser: true, also drops the user's own annotations.
  • { "action": "comment-list", "worktree": "<abs>", "filePath": null } — list current notes.

Read the full file on GitHub · 89 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 11d ago First seen · 89 lines · 35 tokens per session scan A 7ee8a3e56b72

Subscribe to this mod's changes

xnaut-review is a skill published in the GitHub repository 48Nauts-Operator/xNaut (5 stars, last pushed 5d ago), licensed MIT. It adds 35 tokens to every session and 1,430 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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