# io.github.codex-curator/studiomcphub

> 32 creative AI tools (18 free) for agents: generate, upscale, mockup, print, watermark.

- name: io.github.codex-curator/studiomcphub
- version: 0.5.0
- connection class: R0 (autonomous)
- trust: 83/100
- quality: 91/100 (strong)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/io.github.codex-curator%2Fstudiomcphub
- tools: https://api.protogrid.dev/v1/servers/io.github.codex-curator%2Fstudiomcphub/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "studiomcphub": {
      "type": "http",
      "url": "https://studiomcphub.com/mcp"
    }
  }
}
```


## Trust

- hygiene: 100
- liveness: 100
- freshness: 45
- provenance: 80
- drivers: +repository +namespace-matches-repo +reachable +uptime-100% -stale-235d
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 91/100 (strong)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-03-26; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 100 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 27 of 27 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 4,314 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: 100 (weight 15)

- pass `stability.changes`: no tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 27, about 4,314 tokens to load them all
- tool set hash: e1c2c8304e8364fc4a43a836015bbdd3
- badge: [![protogrid quality](https://protogrid.dev/badge/io.github.codex-curator/studiomcphub.svg)](https://protogrid.dev/servers/io.github.codex-curator/studiomcphub)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

_No tool definition changes recorded._

## Remotes

- https://studiomcphub.com/mcp (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (27)

- `batch_download`: Bulk download metadata + images from Alexandria Aeternum (min 100 artworks). ($5.00 / 50 GCX)
- `check_balance`: Check your GCX credit balance, loyalty rewards, and volume tier. FREE. (FREE)
- `compliance_manifest`: Get AB 2013 (California) + EU AI Act Article 53 compliance manifests for dataset usage. FREE. (FREE)
- `convert_color_profile`: Convert between sRGB and CMYK color profiles. Essential for print production. CMYK output as TIFF with embedded DPI. FREE. (FREE)
- `delete_asset`: Delete an asset from your wallet storage. FREE. (FREE)
- `enrich_metadata`: AI-powered artwork analysis. Two tiers: 'standard' (1 GCX) = SEO-optimized title, description, keywords, alt_text via Nova-Lite. 'premium' (2 GCX, default) = full 8-section Golden Codex museum-grade analysis via Nova/Gemini 2.5 Pro. Optionally customize metadata fields and add a Soul Whisper personal message. ($0.20 / 2 GCX)
- `extract_palette`: Extract dominant color palette from an image. Returns hex/RGB/HSL colors with percentages, CSS names, and complementary colors. Great for design systems, mood boards, and color matching. FREE. (FREE)
- `get_artwork`: Get Human_Standard metadata (500-1200 tokens) + signed image URL for a museum artwork. ($0.10 / 1 GCX)
- `get_artwork_oracle`: Get Hybrid_Premium 111-field NEST analysis (2K-6K tokens) + image. Deep AI visual analysis with color palette, composition, symbolism, emotional mapping. ($0.20 / 2 GCX)
- `get_asset`: Retrieve a stored asset from your wallet storage by key. FREE. (FREE)
- `get_tool_schema`: Get the full JSON Schema and usage examples for a specific tool. Use after search_tools to load only what you need. (FREE)
- `infuse_metadata`: Embed metadata into image via ExifTool. Two modes: 'standard' (XMP/IPTC only — title, description, keywords, copyright) or 'full_gcx' (default — full Golden Codex XMP-gc namespace + IPTC + C2PA + soulmark + hash registration). ($0.10 / 1 GCX)
- `list_assets`: List all assets in your wallet storage with sizes and metadata. FREE. (FREE)
- `mockup_image`: Place your design onto product mockups (t-shirt, poster, canvas, phone case, mug, tote bag). Instant product visualization for e-commerce and print-on-demand. FREE. ($0.10 / 1 GCX)
- `print_ready`: Prepare images for professional printing with DPI, bleed margins, crop marks. Supports A4, A3, Letter, poster (24x36), custom sizes. Output as TIFF or PDF. FREE. (FREE)
- `register_hash`: Register 256-bit perceptual hash with LSH band indexing for strip-proof provenance. ($0.10 / 1 GCX)
- `register_wallet`: Register your wallet to get 10 FREE GCX credits ($1 value). New wallets only — enough to try upscale + enrich. Purchase more via GCX packs. FREE. (FREE)
- `remove_background`: Remove image background using AI (U2-Net). Returns RGBA PNG/WebP with transparent background. Perfect for product photos, portraits, and design assets. FREE. (FREE)
- `resize_image`: Resize an image to target dimensions. Supports fit modes: 'cover' (crop to fill), 'contain' (fit within, letterbox), 'stretch' (exact size). Useful for preparing images for specific platforms, thumbnails, or social media. FREE. (FREE)
- `save_asset`: Save an image or data to your personal wallet storage. 100MB free per wallet, 500 assets max. ($0.10 / 1 GCX)
- `search_artworks`: Search 53K+ museum artworks from Alexandria Aeternum (MET, Chicago, NGA, Rijksmuseum, Smithsonian, Cleveland, Paris). FREE. (FREE)
- `search_tools`: Discover available tools by category or price without loading all schemas. Start here to save tokens. (FREE)
- `upscale_image`: Super-resolution using Real-ESRGAN on NVIDIA L4 GPU. 5 models for different content types. Default: 2x general upscale. ($0.20 / 2 GCX)
- `vectorize_image`: Convert raster images to SVG vector format. Supports color and binary modes with precision controls. Returns raw SVG XML string. FREE. (FREE)
- `verify_provenance`: Strip-proof provenance verification via Aegis hash index. FREE - no payment required. (FREE)
- `watermark_detect`: Detect and extract invisible DCT watermark from an image. Returns the embedded text payload if found. FREE. (FREE)
- `watermark_embed`: Embed invisible DCT-domain watermark into an image. Encodes a text payload into luminance channel frequency coefficients. Survives light compression. FREE. (FREE)