vale-ai-tells: Skill for Claude Code

.claude/skills/codex-write-pr-description/SKILL.md

codex-write-pr-description is a skill for Claude Code from tbhb/vale-ai-tells. It costs 70 tokens per session (387 once invoked), scanned A, original, MIT.

A guide for writing or revising PR_AGENTDESC.md, the repository's pull-request description file, from a branch's commits and template.

In plain words
What is it for?
Use it to document changes, reasons, verification, risks, and related work while resolving supplied review findings and validating the finished file.
Why use it?
It keeps the description aligned with the actual branch, records commands that were run, and checks the result with the repository validator.

Skill for Claude Code

Written for Claude Code: installed under .claude/. Also seen: mentions Codex.

This is tbhb/vale-ai-tells's own configuration. It tells Claude Code how to work on vale-ai-tells itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything vale-ai-tells configures →

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is bash .agents/skills/codex-pr/scripts/validate-description.sh.

Reuse

Borrowing it

Nothing to install: this file belongs to tbhb/vale-ai-tells. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/tbhb/vale-ai-tells/main/.claude/skills/codex-write-pr-description/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/tbhb/vale-ai-tells

Made for: Claude Code.

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 codex-write-pr-description

README.md
[![agentmods](https://agentmods.dev/badge/skills/tbhb/vale-ai-tells/codex-write-pr-description/github.svg)](https://agentmods.dev/skills/tbhb/vale-ai-tells/codex-write-pr-description)
Your own site
<a href="https://agentmods.dev/skills/tbhb/vale-ai-tells/codex-write-pr-description"><img src="https://agentmods.dev/badge/skills/tbhb/vale-ai-tells/codex-write-pr-description/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 codex-write-pr-description

Your own site · 80×15
<a href="https://agentmods.dev/skills/tbhb/vale-ai-tells/codex-write-pr-description"><img src="https://agentmods.dev/badge/skills/tbhb/vale-ai-tells/codex-write-pr-description.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 70 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 387 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00070 $0.00387
Opus 5 $0.00035 $0.00193
Sonnet 5 $0.00014 $0.00077
Haiku 4.5 $0.00007 $0.00039

Measured 9d ago against content hash 1eec02eeab5e, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

codex-write-pr-description scanned grade A with 0 findings 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 9d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/context.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude/skills/codex-write-pr-description/SKILL.md · 43 lines

What it actually says

Write a pull request description

Work only in the repository named by the caller. The task may also carry review findings or a note about new commits. Resolve every supplied finding.

Gather context once:

bash .agents/skills/codex-write-pr-description/scripts/context.sh

Write PR_AGENTDESC.md with exactly these elements: YAML frontmatter containing base, draft, labels, reviewers, assignees, and milestone, followed by a Conventional Commits level-one title. Put every section the repository template declares after the title, in the template's order. Use a nonempty label list drawn from the context.

Describe the whole branch. Keep Summary, Why, Verification, Risk, and Related distinct. Verification names commands actually run. Avoid counts, diff narration, unsupported claims, selling language, and request/session/model/tool provenance. Preserve accurate existing prose during revisions.

Before returning, read the finished draft for closed enumerations and scope words such as only, every, and never. Establish those claims from the branch or weaken them.

Run until clean:

bash .agents/skills/codex-pr/scripts/validate-description.sh

Return only one of:

DRAFT: WRITTEN

changed: <one line per material edit, or first draft>
addressed: <each supplied finding, or nothing requested>
DRAFT: BLOCKED

reason: <decision or missing prerequisite>
Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 9d ago First seen · 43 lines · 70 tokens per session scan A 1eec02eeab5e

Subscribe to this mod's changes

codex-write-pr-description is a skill published in the GitHub repository tbhb/vale-ai-tells (87 stars, last pushed today), licensed MIT. It adds 70 tokens to every session and 387 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.