Sketchlib
Server Details
Search a large 3D model library and download converted GLB/FBX/USDZ assets via signed URLs.
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- Status
- Unhealthy
- Uptime
- 10.0% over the last 24 hours
- Last Tested
- Transport
- Streamable HTTP · MCP 2025-11-25
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TDQS
Scored across 7 tools
Each tool has a fairly distinct role: search vs. metadata (get_model) vs. preview image (get_model_preview) vs. signed download URL (download_model). The main overlap risk is between get_model and download_model, and between get_generation and list_generations, but the descriptions clearly disambiguate the async-task vs. history distinction.
All seven tools follow a clean snake_case verb_noun pattern (download_model, generate_model, get_generation, get_model, get_model_preview, list_generations, search_models). Verb choices (get/list/search/download/generate) map predictably to the action performed.
Seven tools is well-scoped for a model library plus async generation service. Each tool earns its place: search, inspect, preview, download, generate, poll status, and list history, with no redundant entries.
The surface covers the search-inspect-download and generate-poll-retrieve lifecycles completely, including credit and refund semantics. Minor gaps exist (no delete/remove-model, no explicit 'list my owned models' beyond list_generations), but core workflows are reachable.
Available Tools
7 toolsdownload_modelDownload a modelAInspect
Return a signed download URL for a model zip, valid for 7 days. Consumes one credit. A model the account already owns is free to download again.
Inputs: model_id (required).
generate_modelGenerate a 3D model from an imageAInspect
Generate a 3D model (GLB) from one photo of an object. This is asynchronous and usually takes 3-7 minutes: the call returns a task_id immediately and get_generation reports progress. The result is downloadable only by the calling account and does not enter the public library. This tool charges credits, computed server-side and returned as credits_cost, so a call that cannot afford it is refused before any work starts. Supply image_base64 or image_urls to generate now, or omit both to have the user upload an image through their browser.
Inputs: tier (required), image_urls, image_base64.
get_generationCheck a generation taskAInspect
Report the status of a generate_model task. While it is pending or running, wait before polling again. When status is 'done' the response carries a download URL for the GLB, valid for 7 days. When status is 'failed' the pre-deducted credits have already been refunded automatically and the error field explains why, so no manual refund is needed.
Inputs: task_id (required).
get_modelGet model detailsAInspect
Return full metadata for one model, including whether it is downloadable and the source platform's thumbnail URL. That URL is hosted by the source platform and is missing for some models; use get_model_preview to see the model's own preview image instead.
Inputs: model_id (required).
get_model_previewView a model's preview imageAInspect
Return the preview image of one model as an image, so it can be shown to the user or judged before downloading. Use this to check that a model from search_models is the one the user means before spending a credit on it. Spends one of the same reads search_models draws on, and counts against the same per-minute limit.
Inputs: model_id (required).
list_generationsList generation tasksAInspect
Report past generate_model tasks created by the calling account, newest first. When status is 'done' the entry carries a download URL for the GLB, valid for 7 days. Use this to find 3D models generated earlier when the task_id was lost.
Inputs: limit.
search_modelsSearch 3D modelsAInspect
Search the Sketchlib library by keyword, optionally narrowed by category, tag, or face-count range. Returns paginated metadata and a preview image URL. has_more reports whether a further page exists; raise offset by limit to fetch it.
Inputs: keyword (required), tag, limit, offset, +3 more.
Tool Schema Changelog
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141
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