diff --git a/README.md b/README.md
index fae6527..f08b536 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # claude-code-best-practice
 from vibe coding to agentic engineering - practice makes claude perfect
 
-![updated with Claude Code](https://img.shields.io/badge/updated_with_Claude_Code-v2.1.150%20(May%2027%2C%202026%208%3A49%20PM%20PKT)-white?style=flat&labelColor=555) <a href="https://github.com/shanraisshan/claude-code-best-practice/stargazers"><img src="https://img.shields.io/github/stars/shanraisshan/claude-code-best-practice?style=flat&label=%E2%98%85&labelColor=555&color=white" alt="GitHub Stars"></a><br>
+![updated with Claude Code](https://img.shields.io/badge/updated_with_Claude_Code-v2.1.150%20(May%2028%2C%202026%208%3A46%20PM%20PKT)-white?style=flat&labelColor=555) <a href="https://github.com/shanraisshan/claude-code-best-practice/stargazers"><img src="https://img.shields.io/github/stars/shanraisshan/claude-code-best-practice?style=flat&label=%E2%98%85&labelColor=555&color=white" alt="GitHub Stars"></a><br>
 
 [![Best Practice](!/tags/best-practice.svg)](best-practice/) [![Implemented](!/tags/implemented.svg)](implementation/) [![Orchestration Workflow](!/tags/orchestration-workflow.svg)](orchestration-workflow/orchestration-workflow.md) [![Claude](!/tags/claude.svg)](https://code.claude.com/docs) [![Boris](!/tags/boris-cherny.svg)](#-tips-and-tricks) [![Community](!/tags/community.svg)](#-subscribe) ![Click on these badges below to see the actual sources](!/tags/click-badges.svg)<br>
 <img src="!/tags/a.svg" height="14"> = Agents · <img src="!/tags/c.svg" height="14"> = Commands · <img src="!/tags/s.svg" height="14"> = Skills
diff --git a/changelog/agent-collections/changelog.md b/changelog/agent-collections/changelog.md
index bb03a78..f6d8ebd 100644
--- a/changelog/agent-collections/changelog.md
+++ b/changelog/agent-collections/changelog.md
@@ -10,6 +10,18 @@ Tracks updates to the AGENT COLLECTIONS table in `README.md`.
 
 ---
 
+## [2026-05-28 08:46 PM PKT] Agent Collections Update
+
+| # | Priority | Type  | Action                                                                                                                    | Status                                                                                                                                                                                                                                      |
+|---|----------|-------|---------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| 1 | LOW      | Count | msitarzewski/agency-agents agents 144 vs 170 (conf 0.88; README self-declares 144; no commits since Apr 12)               | INVALID (RECURRING methodological oscillation; 12th+ consecutive INVALID ruling; no commits since April 12, 2026 — 46 days; directory count 170 vs README-declared 144; boundary between agent defs and meta-docs varies per run)            |
+| 2 | LOW      | Count | VoltAgent/awesome-claude-code-subagents agents 156 → 154 (conf 0.92; README says "154+")                                  | INVALID (RECURRING oscillation; ±2 within historical 144-156 range; README self-reports "154+" supporting 154 as baseline; May 27 update to 156 may have overcounted; active dev with no confirmed net removal)                              |
+| 3 | LOW      | Star  | msitarzewski/agency-agents ★ unchanged (106k = 105,721)                                                                   | INVALID (no change required)                                                                                                                                                                                                                |
+| 4 | LOW      | Star  | VoltAgent/awesome-claude-code-subagents ★ unchanged (21k = 20,765)                                                        | INVALID (no change required)                                                                                                                                                                                                                |
+| 5 | LOW      | Sort  | Verify sort order (106k > 21k — stars descending)                                                                         | COMPLETE (order preserved; RECURRING)                                                                                                                                                                                                       |
+
+---
+
 ## [2026-05-27 08:48 PM PKT] Agent Collections Update
 
 | # | Priority | Type  | Action                                                                                              | Status                                                                                                                                                                                                                          |