diff --git a/composer-packages/phpcs/CHANGELOG.md b/composer-packages/phpcs/CHANGELOG.md
index fdba6c0..f974013 100644
--- a/composer-packages/phpcs/CHANGELOG.md
+++ b/composer-packages/phpcs/CHANGELOG.md
@@ -4,6 +4,13 @@ All notable changes to `rtcamp/wp-phpcs` are documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
+## [Unreleased]
+
+### Changed
+
+- README: a header with the license, PHP and tool-version badges, and a note that the
+  mirror repository is read-only and issues and pull requests go to rtCamp/wp-tooling.
+
 ## [1.0.0] - 2026-07-30
 
 ### Added
diff --git a/composer-packages/phpcs/README.md b/composer-packages/phpcs/README.md
index 212f770..19a06f4 100644
--- a/composer-packages/phpcs/README.md
+++ b/composer-packages/phpcs/README.md
@@ -1,4 +1,21 @@
-# rtCamp WordPress PHPCS standards (`rtcamp/wp-phpcs`)
+<h1 align="center">wp-phpcs</h1>
+
+<p align="center">
+  <a href="LICENSE"><img src="https://img.shields.io/badge/license-GPL--2.0--or--later-blue.svg" alt="License: GPL-2.0-or-later"></a>
+  <img src="https://img.shields.io/badge/PHP-8.2%2B-777bb4.svg" alt="PHP 8.2+">
+  <img src="https://img.shields.io/badge/PHP__CodeSniffer-3.x-orange.svg" alt="PHP_CodeSniffer 3.x">
+</p>
+
+<p align="center">
+  rtCamp's PHP_CodeSniffer standards for WordPress projects
+  (<code>rtcamp/wp-phpcs</code>): <code>rtCampWP-Basic</code> and the stricter <code>rtCampWP</code>.
+</p>
+
+---
+
+> **Developed in [rtCamp/wp-tooling](https://github.com/rtCamp/wp-tooling/tree/main/composer-packages/phpcs).**
+> The [`rtCamp/wp-phpcs`](https://github.com/rtCamp/wp-phpcs) repository is a read-only mirror, split from
+> there on each release. Please open issues and pull requests in wp-tooling.
 
 Shared PHP_CodeSniffer standards for rtCamp WordPress projects. Each skeleton (plugin, theme,
 and future tracks) extends one of these instead of copying — and drifting — a long PHPCS
diff --git a/composer-packages/phpstan/CHANGELOG.md b/composer-packages/phpstan/CHANGELOG.md
index fe02320..83244af 100644
--- a/composer-packages/phpstan/CHANGELOG.md
+++ b/composer-packages/phpstan/CHANGELOG.md
@@ -4,6 +4,13 @@ All notable changes to `rtcamp/wp-phpstan` are documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
+## [Unreleased]
+
+### Changed
+
+- README: a header with the license, PHP and tool-version badges, and a note that the
+  mirror repository is read-only and issues and pull requests go to rtCamp/wp-tooling.
+
 ## [1.0.0] - 2026-07-30
 
 ### Added
diff --git a/composer-packages/phpstan/README.md b/composer-packages/phpstan/README.md
index 8f23f1f..d19f6fe 100644
--- a/composer-packages/phpstan/README.md
+++ b/composer-packages/phpstan/README.md
@@ -1,8 +1,22 @@
-# rtcamp/wp-phpstan
+<h1 align="center">wp-phpstan</h1>
 
-rtCamp's shared [PHPStan](https://phpstan.org/) baseline for WordPress projects.
+<p align="center">
+  <a href="LICENSE"><img src="https://img.shields.io/badge/license-GPL--2.0--or--later-blue.svg" alt="License: GPL-2.0-or-later"></a>
+  <img src="https://img.shields.io/badge/PHP-8.2%2B-777bb4.svg" alt="PHP 8.2+">
+  <img src="https://img.shields.io/badge/PHPStan-2.x-blue.svg" alt="PHPStan 2.x">
+</p>
+
+<p align="center">
+  rtCamp's shared PHPStan baseline for WordPress projects (<code>rtcamp/wp-phpstan</code>).
+</p>
+
+---
+
+> **Developed in [rtCamp/wp-tooling](https://github.com/rtCamp/wp-tooling/tree/main/composer-packages/phpstan).**
+> The [`rtCamp/wp-phpstan`](https://github.com/rtCamp/wp-phpstan) repository is a read-only mirror, split from
+> there on each release. Please open issues and pull requests in wp-tooling.
 
-It ships a single `phpstan.neon.dist` of rtCamp defaults (level 5, WordPress-aware
+This package ships a single `phpstan.neon.dist` of rtCamp defaults (level 5, WordPress-aware
 rules) and pulls in [`szepeviktor/phpstan-wordpress`](https://github.com/szepeviktor/phpstan-wordpress),
 which loads the WordPress function stubs and dynamic return-type extensions PHPStan
 needs to understand core.