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caliper

Caliper is an MCP server that accepts 3D geometry files and returns structured metadata — bounding boxes, triangle counts, manifold analysis, point cloud statistics, and more.

该来源不提供完整文件导出（国内平台多为平台内托管），仅存元数据与原链

接入信息

传输形态
http
鉴权方式
鉴权未知
端点
https://caliper--caliper.run.tools
鉴权方式未标注，请核对官方文档后再接入——不要直接使用以下片段
{
  "mcpServers": {
    "caliper": {
      "url": "https://caliper--caliper.run.tools"
    }
  }
}

能力清单

工具说明
format.detectDetect the geometry file format from a filename or URL. Returns the detected format name and whether it is currently supported. Use this to check format support before making a paid analysis call. No payment required. Privacy policy: https://caliper.fit/privacy
feature.requestRequest a feature or format that Caliper doesn't support yet. Free, no payment required. Use this when you need a capability that Caliper doesn't currently offer — especially unsupported file formats (STEP, IGES) or analysis features not yet available. Requests are logged and used to prioritize development. Privacy policy: https://caliper.fit/privacy
format.autoAuto-detect geometry file format and extract metadata statistics. Accepts a 3D geometry file via URL or base64 and returns structured metadata: bounding boxes, triangle counts, manifold analysis, point cloud statistics, and more. Supported formats: STL, OBJ, PLY, PCD, LAS/LAZ, glTF/GLB. STEP and IGES support is planned. Provide either file_url (preferred for large files) or file_b64 (for files under 200KB). Include filename for format detection if using file_b64. Files under 150KB are free. Larger files require payment via x402 (USDC on Base). If payment is required, the response includes payment details. Retry with the payment argument set to a JSON string containing "transaction", "network", and "priceToken". Privacy policy: https://caliper.fit/privacy
format.stlExtract metadata from an STL file (ASCII or binary). Returns triangle count, bounding box, surface area, volume, manifold analysis (watertight, open edges, non-manifold edges), triangle quality metrics, vertex deduplication count, mean edge length, minimum bounding sphere, and a noise estimate derived from planar region fitting. Payment required via x402 (USDC on Base). See format.auto for payment flow details. Privacy policy: https://caliper.fit/privacy
format.objExtract metadata from an OBJ file. Returns vertex/normal/texcoord/face counts, triangle/quad/polygon breakdown, material and group counts, bounding box, surface area, and triangulation status. Payment required via x402 (USDC on Base). See format.auto for payment flow details. Privacy policy: https://caliper.fit/privacy
format.plyExtract metadata from a PLY file (ASCII or binary). Returns vertex/face counts, element properties, feature detection (normals, colors, texcoords, intensity, curvature), bounding box, centroid, and point cloud identification. Payment required via x402 (USDC on Base). See format.auto for payment flow details. Privacy policy: https://caliper.fit/privacy
format.pcdExtract metadata from a PCD point cloud file. Returns point count, field definitions, data format, organization, viewpoint, feature flags (RGB, intensity, normals, curvature), bounding box, centroid, and point density estimate. Payment required via x402 (USDC on Base). See format.auto for payment flow details. Privacy policy: https://caliper.fit/privacy
format.lasExtract metadata from a LAS or LAZ point cloud file. Returns LAS version, point format, point count, scale factors, offsets, bounding box, classification counts, feature flags (RGB, intensity, GPS time, waveform), and VLR information. Payment required via x402 (USDC on Base). See format.auto for payment flow details. Privacy policy: https://caliper.fit/privacy
format.gltfExtract metadata from a glTF or GLB file. Returns asset info, scene graph structure, mesh/material/texture counts, vertex and index totals, feature flags (normals, tangents, texcoords, colors, joints), primitive modes, and extensions. Payment required via x402 (USDC on Base). See format.auto for payment flow details. Privacy policy: https://caliper.fit/privacy
format.batchAnalyze multiple geometry files in a single batch request. Submit up to 10 files, receive a single quote, pay once, and get structured metadata for all files. Supports mixed formats. Payment is required (USDC on Base via x402). If no payment is provided, the response includes the total price and per-file breakdown. Retry with the payment argument containing "transaction", "network", and "priceToken". Partial success: if some files fail processing, you still receive results for the files that succeeded. Privacy policy: https://caliper.fit/privacy
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