Caliper
fit.caliper/caliper
10 toolsHTTPregistry active
Summary
Need to pull triangle counts, bounding boxes, or point cloud stats from 3D files without spinning up your own parser? This server accepts STL, OBJ, PLY, PCD, LAS/LAZ, and glTF/GLB files via URL or base64 and returns structured metadata: manifold analysis, surface area, vertex counts, material lists, classification breakdowns. It exposes tools like caliper_auto_stats for format detection and extraction, plus caliper_batch_stats for processing up to 10 files in one call. Files under 150KB are free with no auth required. Larger files cost $0.02/MB via USDC on Base or Stripe. Useful for validating CAD uploads, pre-flight checks in 3D pipelines, or quick geometry audits without heavyweight dependencies.
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Tools
Public tool metadata for what this MCP can expose to an agent.
10 tools
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/privacy1 params
Detect 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
Parameters* required
filenamestringFilename or URL to check. The format is detected from the file extension.
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...1 params
Request 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...
Parameters* required
descriptionstringA short description of the feature or format you need. Examples: 'STEP file support', 'volume comparison between two files', 'export to USD format'. This helps prioritize development.
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,...4 params
Auto-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,...
Parameters* required
paymentvaluex402 payment proof as a JSON string. Set this when retrying after a payment_required response. Must contain 'transaction' (on-chain tx hash), 'network', and 'priceToken' from the payment_required details.
file_b64valueBase64-encoded file content. Use for files under 200 KB.
file_urlvalueHTTP/HTTPS URL of the geometry file to analyze. Preferred for large files.
filenamevalueOriginal filename with extension, used for format detection when providing file_b64.
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...4 params
Extract 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...
Parameters* required
paymentvaluex402 payment proof as a JSON string. Set this when retrying after a payment_required response. Must contain 'transaction' (on-chain tx hash), 'network', and 'priceToken' from the payment_required details.
file_b64valueBase64-encoded file content. Use for files under 200 KB.
file_urlvalueHTTP/HTTPS URL of the geometry file to analyze. Preferred for large files.
filenamevalueOriginal filename with extension, used for format detection when providing file_b64.
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....4 params
Extract 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....
Parameters* required
paymentvaluex402 payment proof as a JSON string. Set this when retrying after a payment_required response. Must contain 'transaction' (on-chain tx hash), 'network', and 'priceToken' from the payment_required details.
file_b64valueBase64-encoded file content. Use for files under 200 KB.
file_urlvalueHTTP/HTTPS URL of the geometry file to analyze. Preferred for large files.
filenamevalueOriginal filename with extension, used for format detection when providing file_b64.
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 forma...4 params
Extract 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 forma...
Parameters* required
paymentvaluex402 payment proof as a JSON string. Set this when retrying after a payment_required response. Must contain 'transaction' (on-chain tx hash), 'network', and 'priceToken' from the payment_required details.
file_b64valueBase64-encoded file content. Use for files under 200 KB.
file_urlvalueHTTP/HTTPS URL of the geometry file to analyze. Preferred for large files.
filenamevalueOriginal filename with extension, used for format detection when providing file_b64.
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 for...4 params
Extract 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 for...
Parameters* required
paymentvaluex402 payment proof as a JSON string. Set this when retrying after a payment_required response. Must contain 'transaction' (on-chain tx hash), 'network', and 'priceToken' from the payment_required details.
file_b64valueBase64-encoded file content. Use for files under 200 KB.
file_urlvalueHTTP/HTTPS URL of the geometry file to analyze. Preferred for large files.
filenamevalueOriginal filename with extension, used for format detection when providing file_b64.
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)....4 params
Extract 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)....
Parameters* required
paymentvaluex402 payment proof as a JSON string. Set this when retrying after a payment_required response. Must contain 'transaction' (on-chain tx hash), 'network', and 'priceToken' from the payment_required details.
file_b64valueBase64-encoded file content. Use for files under 200 KB.
file_urlvalueHTTP/HTTPS URL of the geometry file to analyze. Preferred for large files.
filenamevalueOriginal filename with extension, used for format detection when providing file_b64.
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)....4 params
Extract 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)....
Parameters* required
paymentvaluex402 payment proof as a JSON string. Set this when retrying after a payment_required response. Must contain 'transaction' (on-chain tx hash), 'network', and 'priceToken' from the payment_required details.
file_b64valueBase64-encoded file content. Use for files under 200 KB.
file_urlvalueHTTP/HTTPS URL of the geometry file to analyze. Preferred for large files.
filenamevalueOriginal filename with extension, used for format detection when providing file_b64.
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...2 params
Analyze 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...
Parameters* required
filesstringJSON array of file descriptors. Each object has optional keys: "file_url" (HTTP/S URL), "file_b64" (base64 string), "filename" (for format detection). Provide either file_url or file_b64 per file. Max 10 files per batch.
paymentvaluex402 payment proof as a JSON string. Set this when retrying after a payment_required response. Must contain 'transaction' (on-chain tx hash), 'network', and 'priceToken' from the payment_required details.
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Keep your Mac awake while Claude Code and 40+ AI agents run. Sleeps when they're idle.
One time payment $9 →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →On Capafy, your Skill runs online 24/7 as an agent product, and you get paid every time someone uses it.
Start earning →