Assisted-by: Claude Opus 4.6 via Claude Code

diff --git a/ai/_AGENTS.md b/ai/_AGENTS.md
index de82f31d..903650f0 100644
--- a/ai/_AGENTS.md
+++ b/ai/_AGENTS.md
@@ -19,7 +19,7 @@ are meaningless to humans.
 
 ## Writing
 
-Invoke the elements-of-style writing skill whenever drafting prose for
+Invoke the technical-writing skill whenever drafting prose for
 humans — documentation, commit messages, PR descriptions, user-facing
 text, error messages, and comments. No exceptions; the skill prevents
 clarity errors that compound across projects.
diff --git a/ai/skills/describing-changes/SKILL.md b/ai/skills/describing-changes/SKILL.md
index 2a37efe8..ee966cb9 100644
--- a/ai/skills/describing-changes/SKILL.md
+++ b/ai/skills/describing-changes/SKILL.md
@@ -25,7 +25,7 @@ When describing how code works (separate from why changes were made).
 
 ## Implementation
 
-**REQUIRED SUB-SKILL:** Use the elements-of-style:writing-clearly-and-concisely skill. Change descriptions are prose for humans; apply the writing skill to ensure clarity and conciseness.
+**REQUIRED SUB-SKILL:** Use the technical-writing skill. Change descriptions are prose for humans; apply the writing skill to ensure clarity and conciseness.
 
 ### 1. Identify What Changed
 
diff --git a/ai/skills/pr/SKILL.md b/ai/skills/pr/SKILL.md
index 1d34e3f0..271bf0a7 100644
--- a/ai/skills/pr/SKILL.md
+++ b/ai/skills/pr/SKILL.md
@@ -49,8 +49,8 @@ Revision must be provided (bookmark, change ID, revset, or commit hash). The rev
    proceeding.
 4. Check for .github PR templates and follow them. For checklist items that do
    not apply, use strikethrough: `- ~~Irrelevant item~~`
-5. **Invoke the `elements-of-style:writing-clearly-and-concisely` skill** before
-   drafting any prose. This is mandatory.
+5. **Invoke the `technical-writing` skill** before drafting any prose. This is
+   mandatory.
 6. **Search episodic memory for design decisions**: Use `episodic-memory:search`
    to find conversations related to the files changed in this PR. Look for:
    - Design decisions and their rationale