In-depth architectural comparison of the Raven and Icon Composer MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Raven
Architecture & Design · Local stdio
Quality: 52/100 (Good) | Auth: No auth required
Icon Composer MCP
Architecture & Design · Local stdio
Quality: 60/100 (Good) | Auth: No auth required
Verdict Summary: Choose Raven if you need specialized Architecture & Design tools running via a local process. Choose Icon Composer MCP if your workspace requires Architecture & Design integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Raven when:
You need dedicated capabilities in the Architecture & Design domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
MCP server for Apple's Icon Composer: programmatically create .icon bundles with Liquid Glass effects (iOS 26+). 12 tools for icon creation, glass effect tuning, dark mode appearances, and App Store export.
Evaluate a design description against principles. Pass base64 PNG screenshots (`before_screenshot`/`after_screenshot`) for a structured before/after pixel diff with `fix_confirmed`, `changed_ratio`, and changed region. Pass `compact: true` to return only scores and violations (drops full principle/…
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Search across all principles, patterns, and strategies
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Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Raven is categorized under Architecture & Design and uses a local stdio subprocess. In contrast, Icon Composer MCP belongs to Architecture & Design using local stdio subprocess. Select Raven when you need capabilities focused on architecture & design and Icon Composer MCP when you require tools for architecture & design.
Audit HTML/CSS against Raven's quality standards — pass `html` for static audit, or `url` to render headless with optional `scroll_settle` (step through reveal gates, then return to top) and `viewport` parameters; `containerMaxWidth` makes container checks token-aware. Also flags inline SVG icons t…
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Icon Composer MCP Tools (12)
create_icon
Create a `.icon` bundle from a foreground image and background color
add_layer_to_icon
Add a new layer to an existing bundle
remove_layer
Remove a layer or group, optionally clean up assets
read_icon
Inspect bundle manifest and assets
set_glass_effects
Configure specular, blur, shadow, translucency
set_appearances
Set dark/tinted mode overrides
set_fill
Set background fill
set_layer_position
Adjust layer scale and offset
toggle_fx
Enable/disable all glass effects at once
export_preview
Render a preview PNG
render_liquid_glass
Render via Apple's ictool (requires Icon Composer)