diff --git a/README.md b/README.md
index ce578b7..ea9803a 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-v2.1.143%20(May%2017%2C%202026%2011%3A55%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-v2.1.143%20(May%2018%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
@@ -179,7 +179,7 @@ Repos primarily known as curated libraries of subagent definitions (`.claude/age
 
 | Name | ★ | <img src="!/tags/a.svg" height="14"> |
 |------|---|---|
-| [msitarzewski/agency-agents](https://github.com/msitarzewski/agency-agents) | 99k | 188 |
+| [msitarzewski/agency-agents](https://github.com/msitarzewski/agency-agents) | 100k | 188 |
 | [VoltAgent/awesome-claude-code-subagents](https://github.com/VoltAgent/awesome-claude-code-subagents) | 20k | 151 |
 
 <p align="center">
diff --git a/changelog/agent-collections/changelog.md b/changelog/agent-collections/changelog.md
index 53d8c96..eeac580 100644
--- a/changelog/agent-collections/changelog.md
+++ b/changelog/agent-collections/changelog.md
@@ -10,6 +10,17 @@ Tracks updates to the AGENT COLLECTIONS table in `README.md`.
 
 ---
 
+## [2026-05-18 08:46 PM PKT] Agent Collections Update
+
+| # | Priority | Type  | Action                                                                                          | Status                                                                                                                                                                    |
+|---|----------|-------|-------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| 1 | HIGH     | Star  | Update msitarzewski/agency-agents ★ from 99k to 100k                                           | COMPLETE (GitHub HTML: ~99,800 exact; crosses k-boundary to 100k; NEW — first 100k milestone crossing)                                                                    |
+| 2 | LOW      | Count | msitarzewski/agency-agents agents 188 vs 184 (−4)                                              | INVALID (RECURRING methodological variation; no commits in last 30 days — last commit April 11-12; −4 within ±10 oscillation range; no change applied)                    |
+| 3 | LOW      | Count | VoltAgent/awesome-claude-code-subagents agents 151 vs 149 (−2)                                  | INVALID (RECURRING within ±3 margin; no commits in last 30 days — last activity April 19-20; −2 within oscillation threshold; no change applied)                          |
+| 4 | LOW      | Sort  | Verify sort order (100k > 20k — stars descending)                                               | COMPLETE (order preserved; RECURRING)                                                                                                                                     |
+
+---
+
 ## [2026-05-17 08:47 PM PKT] Agent Collections Update
 
 | # | Priority | Type  | Action                                                                                              | Status                                                                                                                                                                     |