cr-review

cr-review is a skill for Claude Code from GitbookIO/gitbook-skills. It costs 210 tokens per session (4,667 once invoked), scanned A, original, MIT.

A GitBook change-request reviewer that uses GitBook's web API, a way for software to communicate with GitBook over HTTP. It finds proposed documentation changes, explains them, adds comments, and records a review decision.

In plain words
What is it for?
Use it to discover requests by author, space, or organisation, inspect their changes, comment on them, and approve or reject them through authenticated API calls.
Why use it?
It lets reviewers handle documentation change requests from their coding environment and reports API results exactly when requests fail or find no changes.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: positional $N argument; mentions Claude Code.

Part of the gitbook plugin — 6 skills, 1 MCP server shipped together

Good fit Use it to discover requests by author, space, or organisation, inspect their changes, comment on them, and approve or reject them through authenticated API calls.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/gitbookio/gitbook-skills/cr-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 GitbookIO/gitbook-skills --skill cr-review
Clone the repo
git clone --depth 1 https://github.com/GitbookIO/gitbook-skills

Made for: Claude Code.

Or install gitbook, the plugin that ships this one along with the rest of its 6 skills, 1 MCP server.

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 cr-review

README.md
[![agentmods](https://agentmods.dev/badge/skills/gitbookio/gitbook-skills/cr-review.svg)](https://agentmods.dev/skills/gitbookio/gitbook-skills/cr-review)
Your own site
<a href="https://agentmods.dev/skills/gitbookio/gitbook-skills/cr-review"><img src="https://agentmods.dev/badge/skills/gitbookio/gitbook-skills/cr-review.svg" alt="Measured on agentmods" height="20"></a>
Per session 210 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,667 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 $0.00210 $0.04667
Opus 5 $0.00105 $0.02334
Sonnet 5 $0.00042 $0.00933
Haiku 4.5 $0.00021 $0.00467

Measured 7d ago against content hash 67f1653f3ed7, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

cr-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 7d 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.

description: Review GitBook change requests from Claude Code by calling the GitBook REST API directly with curl (no CLI) — the reviewer-side companion to cr-create (the authoring side over the same API). Discover the cha
skills/cr-review/SKILL.md · 256 lines

How it starts

The opening of the file, as written. The whole thing — 256 lines — stays where its author put it; the contents beside it link to each section on GitHub.

GitBook CR Review (direct API)

Review documentation change requests against a GitBook space or org entirely through the GitBook REST API (https://api.gitbook.com/v1, hit with curl), so a reviewer never has to leave Claude Code to find what needs review, understand what changed, and respond. This is the reviewer-side companion to cr-create (the authoring side over the same API). The reviewer flow is: discover → understand → comment → decide.

Because every step is a real HTTP call, never fake an output: if a call returns nothing, says nothing changed, or errors, report exactly that.

Auth and the gbapi helper

Every call is a Bearer-authenticated request to https://api.gitbook.com/v1. The token lives in GITBOOK_TOKEN in the repo-root .env (create one at https://app.gitbook.com/account/developer). Never print the token; never write it to a tracked file. Define this helper once per session and use it for every call below — it fails loudly on any non-2xx and prints the API's error body (curl --fail-with-body, curl ≥ 7.76 / stock on current macOS):

set -a; [ -f .env ] && . ./.env; set +a          # load GITBOOK_TOKEN
gbapi() {                                          # gbapi METHOD /path [extra curl args…]
  local method="$1" apipath="$2"; shift 2   # NB: not `path` — in zsh that is tied to $PATH
  curl -sS --fail-with-body -X "$method" \
    "https://api.gitbook.com/v1${apipath}" \
    -H "Authorization: Bearer ${GITBOOK_TOKEN}" \
    -H "Content-Type: application/json" "$@"
}

Every response is JSON — pipe it through jq and read whole objects. Never hand-parse by grepping/line-pairing fields — bind the wrong title↔id and every downstream call runs against the wrong space/CR (a confident "0 comments" from a space that isn't the one you meant). If gbapi exits non-zero, surface the printed error — do not report success.

Endpoint map (verified against api.gitbook.com/openapi.json)

<org>, <space>, <cr>, <pageId> are the relevant IDs. Base URL is https://api.gitbook.com/v1; paths are relative to it.

Read the full file on GitHub · 256 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. 7d ago First seen · 256 lines · 210 tokens per session scan A 67f1653f3ed7

Subscribe to this mod's changes

cr-review is a skill published in the GitHub repository GitbookIO/gitbook-skills (12 stars, last pushed 6d ago), licensed MIT. It adds 210 tokens to every session and 4,667 once invoked, about $0.0011 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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