Geometry & CAD file metadata extraction API
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.
operational
Disk: 24.8% used
| Format | Extensions | Handler |
|---|---|---|
| STL | .stl | C++ (ASCII + binary) |
| OBJ | .obj | C++ |
| PLY | .ply | C++ (ASCII + binary) |
| PCD | .pcd | Python (open3d) |
| LAS / LAZ | .las .laz | Python (laspy) |
| glTF / GLB | .gltf .glb | Python (JSON parse) |
| STEP | .step .stp | coming soon |
| IGES | .iges .igs | coming soon |
Connect as an MCP server at https://caliper.fit/mcp/manifest,
or call the REST API directly:
POST /tools/caliper_auto_stats
{"file_url": "https://example.com/model.stl"}
POST /tools/caliper_stl_stats
{"file_b64": "...", "filename": "part.stl"}See /mcp/manifest for the full
tool schema and /health for a machine-readable
status check.
Payment is per-request via the x402 protocol (USDC on Base). Pricing is currently in an experimental phase with randomized rates to gather demand curve data.