react-router: Skill for Codex

.agents/skills/release-react-router/SKILL.md

release-react-router is a skill for Codex from remix-run/react-router. It costs 53 tokens per session (1,253 once invoked), scanned A, original, MIT.

A release workflow for React Router, a web-routing library for React applications. It checks the generated release pull request, then can follow its merge through package publication, tags, and the GitHub release.

In plain words
What is it for?
Use it to review release readiness, inspect generated release changes, merge an authorized release pull request, and verify npm versions, distribution tags, Git tags, and the GitHub release.
Why use it?
It reduces mistakes in version bumps, changelogs, release branches, and publication checks. A readiness review can stop before any live release.

Skill for Codex

Written for Codex: agents/openai.yaml present. Also seen: installed under .agents/ (shared by several agents).

This is remix-run/react-router's own configuration. It tells Codex how to work on react-router 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 react-router configures →

About the project

React Router is a routing system for React applications that maps URLs to the interface shown on screen. Developers use it either as a small library within their own application structure or as part of a full React framework.

remix-run/react-router · 56,622 stars · on GitHub · reactrouter.com

Reuse

Borrowing it

Nothing to install: this file belongs to remix-run/react-router. 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/remix-run/react-router/main/.agents/skills/release-react-router/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/remix-run/react-router

Made for: 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 release-react-router

README.md
[![agentmods](https://agentmods.dev/badge/skills/remix-run/react-router/release-react-router/github.svg)](https://agentmods.dev/skills/remix-run/react-router/release-react-router)
Your own site
<a href="https://agentmods.dev/skills/remix-run/react-router/release-react-router"><img src="https://agentmods.dev/badge/skills/remix-run/react-router/release-react-router/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 release-react-router

Your own site · 80×15
<a href="https://agentmods.dev/skills/remix-run/react-router/release-react-router"><img src="https://agentmods.dev/badge/skills/remix-run/react-router/release-react-router.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 53 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,253 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.
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 $0.00053 $0.01253
Opus 5.5 $0.00021 $0.00501
Sonnet 5.5 $0.00011 $0.00251
Haiku 4.5 $0.00005 $0.00125

Measured today against content hash 3baf8b70ba7d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

release-react-router 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 today.

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.

.agents/skills/release-react-router/SKILL.md · 52 lines

How it starts

The opening of the file, as written. The whole thing — 52 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Release React Router

Use the existing release automation. Read DEVELOPMENT.md, .github/workflows/release.yml, and scripts/changes/{pr,publish}.ts for the current process and tag rules. This skill covers generated release PRs; experimental releases use a separate workflow.

A request to perform a release authorizes merging the verified PR and following publication. A readiness-only request stops with the review. Creating or editing this skill does not authorize a live release.

Review the release PR

  • Find the generated release PR in remix-run/react-router, targeting main by default or the requested v7/existing hotfix branch. Confirm its source repository and generated branch match scripts/changes/pr.ts. Attach the PR to the chat when the app provides that tool.
  • Record the exact head SHA and current base tip. Require the candidate to contain that tip; otherwise wait for automatic PR regeneration and review the updated head. Use GitHub APIs or fetched Git objects to inspect files without changing the user's checkout.
  • Review the diff for the expected package version bumps, root/package changelogs, deleted pending change files, and consumption of scripts/changes/whats-changed.md when present. Confirm the notes represent the pending changes and preserve any manual narrative. Under the current generator, package manifests change only their version; investigate extra paths or fields.
  • Capture the expected package/version pairs and their npm/git tags from the candidate and current publish script. Discover the package set and versions each run. For non-main releases, record GitHub's current latest release ID before merging so it can be checked afterward.
  • Use PR CI for build, test, typecheck, lint, and integration validation. Check all required and applicable jobs on the reviewed head/test merge, accounting for current workflow path filters and intentional matrix skips. Pending, failed, canceled, missing, or stale checks hold the release. No local dependency install, build, packing, consumer smoke, or regeneration is part of the normal release review.

Read the full file on GitHub · 52 lines

Files

What ships with it

1 file 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. today First seen · 52 lines · 53 tokens per session scan A 3baf8b70ba7d

Subscribe to this mod's changes

release-react-router is a skill published in the GitHub repository remix-run/react-router (56,622 stars, last pushed today), licensed MIT. It adds 53 tokens to every session and 1,253 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-10-24.

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