feat: add media-producer agent to registry

Register Mathews-Tom/media-producer in the creative category.

Author: Mathews-Tom

agents/Mathews-Tom__media-producer/README.md

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+# media-producer
+
+Visual and video asset creation agent with intelligent format routing. Analyzes concepts and selects the optimal output format from static images, diagrams, animated explainers, or presentations.
+
+---
+
+## Run
+
+```bash
+npx @open-gitagent/gitagent run -r https://github.com/Mathews-Tom/media-producer
+```
+
+---
+
+## What It Can Do
+
+- **Format Routing** — Analyze input concepts and automatically select the best visual format
+- **Static Images** — Generate infographics, social media graphics, and illustrated diagrams
+- **Technical Diagrams** — Produce architecture diagrams, flowcharts, and system overviews
+- **Animated Explainers** — Create motion graphics and animated walkthroughs
+- **Presentations** — Build slide decks with visual hierarchy and consistent design language
+- **Multi-Format Output** — Deliver assets in formats optimized for web, print, or screen
+
+---
+
+## Structure
+
+```
+media-producer/
+├── agent.yaml
+├── SOUL.md
+├── RULES.md
+├── LICENSE
+├── icon.png
+└── banner.png
+```
+
+---
+
+## Built with
+[gitagent](https://github.com/open-gitagent/gitagent) — a git-native, framework-agnostic open standard for AI agents.

agents/Mathews-Tom__media-producer/banner.png

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+{
+  "name": "media-producer",
+  "author": "Mathews-Tom",
+  "description": "Visual and video asset creation with intelligent format routing — static images, diagrams, animated explainers, or presentations",
+  "repository": "https://github.com/Mathews-Tom/media-producer",
+  "version": "1.0.0",
+  "category": "creative",
+  "tags": ["visual", "video", "diagram", "infographic", "presentation", "animation", "media"],
+  "license": "MIT",
+  "model": "claude-sonnet-4-5-20250929",
+  "adapters": ["claude-code", "system-prompt"],
+  "icon": true,
+  "banner": true
+}