diff --git a/CLAUDE.md b/CLAUDE.md
index af38d7b..a8c5acc 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -7,7 +7,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 **GitHub**: https://github.com/ourdigital/our-claude-skills
 
 This is a Claude Skills collection repository containing:
-- **custom-skills/**: 29 custom skills for OurDigital workflows, SEO, GTM, Jamie Brand, and Reference Curation
+- **custom-skills/**: 30 custom skills for OurDigital workflows, SEO, GTM, Jamie Brand, Reference Curation, and Multi-Agent Collaboration
 - **example-skills/**: Reference examples from Anthropic's official skills repository
 - **official-skills/**: Notion integration skills (3rd party)
 - **reference/**: Skill format requirements documentation
@@ -67,11 +67,12 @@ This is a Claude Skills collection repository containing:
 | 43 | jamie-youtube-manager | YouTube SEO audit & management | "YouTube SEO", "YT optimization" |
 | 44 | jamie-youtube-subtitle-checker | YouTube subtitle validation | "check subtitles", "subtitle QA" |
 
-### Reference Curator (90-99)
+### Reference Curator & Multi-Agent (90-99)
 
 | # | Skill | Purpose | Trigger |
 |---|-------|---------|---------|
 | 90 | reference-curator | Modular skill suite for reference documentation | See sub-skills below |
+| 91 | multi-agent-guide | Multi-agent collaboration setup | "set up multi-agent", "agent guardrails" |
 
 **Pipeline Orchestrator (Recommended):**
 
@@ -210,6 +211,12 @@ our-claude-skills/
 │   │   ├── shared/                 # Config templates & MySQL schema
 │   │   └── install.sh              # Cross-machine installer
 │   │
+│   ├── 91-multi-agent-guide/       # Multi-agent collaboration setup
+│   │   ├── SKILL.md                # Main skill directive
+│   │   ├── templates/              # AGENTS.md, Claude/Gemini/Codex configs
+│   │   ├── scripts/                # Ownership validation
+│   │   └── examples/               # Minimal setup example
+│   │
 │   └── 99_archive/
 │
 ├── example-skills/skills-main/
diff --git a/README.md b/README.md
index 828391b..e65b433 100644
--- a/README.md
+++ b/README.md
@@ -2,9 +2,9 @@
 
 > **Internal R&D Repository** - This repository is restricted for internal use only.
 
-A collection of 29 custom Claude Skills for OurDigital workflows, Jamie Plastic Surgery Clinic brand management, SEO/GTM tools, Notion integrations, and reference documentation curation.
+A collection of 30 custom Claude Skills for OurDigital workflows, Jamie Plastic Surgery Clinic brand management, SEO/GTM tools, Notion integrations, reference documentation curation, and multi-agent collaboration.
 
-## Custom Skills (29 skills)
+## Custom Skills (30 skills)
 
 ### Claude Code Settings (00)
 
@@ -59,13 +59,14 @@ A collection of 29 custom Claude Skills for OurDigital workflows, Jamie Plastic
 | 43 | `jamie-youtube-manager` | YouTube SEO audit & management |
 | 44 | `jamie-youtube-subtitle-checker` | YouTube subtitle validation |
 
-### Reference Curator (90-99)
+### Reference Curator & Multi-Agent (90-99)
 
 | # | Skill | Purpose |
 |---|-------|---------|
 | 90 | `reference-curator` | Modular skill suite (6 sub-skills) |
+| 91 | `multi-agent-guide` | Multi-agent collaboration setup |
 
-**Sub-skills:** `reference-discovery`, `web-crawler-orchestrator`, `content-repository`, `content-distiller`, `quality-reviewer`, `markdown-exporter`
+**Reference Curator Sub-skills:** `reference-discovery`, `web-crawler-orchestrator`, `content-repository`, `content-distiller`, `quality-reviewer`, `markdown-exporter`
 
 **Installation:** `cd custom-skills/90-reference-curator && ./install.sh`
 
@@ -92,7 +93,7 @@ XX-skill-name/
 
 ```
 our-claude-skills/
-├── custom-skills/           # 29 custom skills for production use
+├── custom-skills/           # 30 custom skills for production use
 │   ├── 00-claude-code-setting/
 │   ├── 01-ourdigital-research/
 │   ├── 02-ourdigital-designer/
@@ -102,6 +103,7 @@ our-claude-skills/
 │   ├── 31-32 (Notion tools)
 │   ├── 40-44 (Jamie clinic)
 │   ├── 90-reference-curator/    # Reference documentation suite
+│   ├── 91-multi-agent-guide/    # Multi-agent collaboration setup
 │   └── 99_archive/
 ├── example-skills/          # Anthropic reference examples
 ├── official-skills/         # 3rd party Notion skills