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  "Name": "zoo-mcp",
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  "IssueTotal": 22,
  "Held": 17,
  "Issues": [
    {
      "Title": "Bound CAD snapshot import latency and reconnect retries when an engine response stalls",
      "Excerpt": "## Summary\n\nCAD inspection can block synchronously for minutes while waiting for the engine's import response, then repeat the same expensive attempt after every reconnect. In production, repeated `inspect(..., camera_view=\"multiview\", zoom=true)` attempts against the same public-supplier STEP attachment remained open until the conversation reconnected. On reconnect, unrelated documentation and retrieval tools completed, while `inspect` alone stalled again. This loop continued for more than an h",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/232",
      "PublishedAt": "2026-08-19T06:49:13.000Z",
      "State": "closed",
      "Comments": 4,
      "Reporter": "Contributor",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "Add an MCP tool to inspect and visualize sketch-region topology",
      "Excerpt": "## Summary\n\nAdd an MCP tool that returns both machine-readable sketch-region topology and a\nhigh-contrast PNG for a sketch in an active modeling session.\n\nZookeeper can currently validate KCL and take 3D snapshots, but it cannot inspect\nthe 2D topology that Engine used when deciding whether sketch segments form\nregions. When region creation or solid lofting fails, the agent therefore has to\ninfer whether the cause is an open loop, self-intersection, wrong arc sweep,\nincorrect winding, an exterio",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/245",
      "PublishedAt": "2026-08-27T19:43:00.000Z",
      "State": "open",
      "Comments": 1,
      "Reporter": "Contributor",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "Return CAD physical-analysis vectors in one coordinate frame",
      "Excerpt": "# Return CAD physical-analysis vectors in one coordinate frame\n\n## Summary\n\n`calculate_cad_physical_properties` can return `center_of_mass` and\n`bounding_box` in different coordinate frames.\n\nThe center of mass comes from the API's file center-of-mass endpoint in the\nformat library's internal OpenGL frame. The bounding box comes from STL mesh\ncoordinates: either the original STL or a default CAD-to-STL conversion. The\ndefault imported-model/STL convention is KittyCAD coordinates. The combined\nre",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/242",
      "PublishedAt": "2026-08-27T02:25:27.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Contributor",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "Publish to MCP registry",
      "Excerpt": "<https://github.com/modelcontextprotocol/registry/blob/main/docs/modelcontextprotocol-io/quickstart.mdx>",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/23",
      "PublishedAt": "2025-09-16T21:14:21.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "Use the composite file physical-properties endpoint for CAD analysis",
      "Excerpt": "## Problem\n\n`calculate_cad_physical_properties` currently makes separate Zoo API requests for volume, mass, surface area, center of mass, and CAD-to-STL conversion for local bounds. The same source can therefore be uploaded, imported, and tessellated up to five times for one MCP tool call. When STEP analysis is asynchronous, this can create multiple long-running worker jobs for the same customer request.\n\nKittyCAD/api#4491 adds a composite `POST /file/physical-properties` operation that imports ",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/254",
      "PublishedAt": "2026-08-29T19:58:47.000Z",
      "State": "open",
      "Comments": 0,
      "Reporter": "Contributor",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "Poll asynchronous file-analysis results instead of treating uploaded responses as failures",
      "Excerpt": "## Summary\n\nZoo MCP treats asynchronous file-analysis responses as terminal failures. The Zoo API intentionally returns an `uploaded` response with an operation ID and a null result when a source file exceeds 25 MB. The MCP helpers immediately inspect the null result and raise errors such as `Failed to calculate volume` instead of polling the operation.\n\nThis affects the narrow file endpoints used by `calculate_volume`, `calculate_mass`, `calculate_surface_area`, `calculate_center_of_mass`, `cal",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/252",
      "PublishedAt": "2026-08-29T17:03:14.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Contributor",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "Calculate CAD bounding boxes across every converted output",
      "Excerpt": "# Calculate CAD bounding boxes across every converted output\n\n## Summary\n\nThe combined CAD physical-analysis helper and the standalone CAD bounding-box\nhelper calculate bounds from only the first STL returned by CAD conversion:\n\n```python\nstl_data = next(iter(stl_result.outputs.values()))\n```\n\nIf a source file converts into multiple output files or bodies, the reported\nvolume, mass, surface area, and center of mass can describe the complete source\nfile while the bounding box describes only which",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/241",
      "PublishedAt": "2026-08-27T00:41:21.000Z",
      "State": "open",
      "Comments": 0,
      "Reporter": "Contributor",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "Return CAD physical-analysis length results in one explicit unit",
      "Excerpt": "# Return CAD physical-analysis length results in one explicit unit\n\n## Summary\n\n`zoo_calculate_cad_physical_properties` can return center-of-mass coordinates\nand bounding-box coordinates in different length units without identifying that\nthe units differ.\n\nThe caller's `unit_length` is passed to the remote center-of-mass endpoint, but\nthe bounding box is computed locally from the source STL coordinates. For\nnon-STL inputs, the source file is converted to STL and the returned mesh\ncoordinates are",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/240",
      "PublishedAt": "2026-08-27T00:41:12.000Z",
      "State": "open",
      "Comments": 0,
      "Reporter": "Contributor",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "Bound sketch constraint status calls that can hang indefinitely",
      "Excerpt": "During a Zookeeper Pro smoke run, `kcl.get_sketch_constraint_status()` appears to have hung indefinitely. `zoo_get_sketch_constraint_status()` awaits it through `_execute_with_retries()`, but retries only begin after an exception and there is no deadline for a call that never returns.\n\nPlease add a bounded timeout/cancellation path and return a clear timeout error to callers.\n\nTTC caller-side guard: https://github.com/KittyCAD/text-to-cad/issues/4009\n\nEvidence:\n- [Opik trace](https://www.comet.c",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/221",
      "PublishedAt": "2026-08-08T23:55:51.000Z",
      "State": "open",
      "Comments": 0,
      "Reporter": "Contributor",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Add MCP tooling for org skills",
      "Excerpt": "Similar to org datasets, org skills should be available via mcp tools",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/201",
      "PublishedAt": "2026-07-09T15:45:34.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Add tools for under/over/fully constrained sketches",
      "Excerpt": "See [this diff](https://github.com/KittyCAD/modeling-app/pull/10993/changes#diff-d504b5da608fb65afc8c685a89cbbc67d3409c09d1f6475e8f3e03aab18a2812R580-R589) for modeling app python bindings",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/142",
      "PublishedAt": "2026-04-13T14:05:20.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Simplify kcl_code and kcl_path to just kcl_path",
      "Excerpt": "The use of both kcl_path and kcl_code is cumbersome. Functions that use both should accept a single input and then it's determine by the function where the string is code or a path to a kcl project/single file",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/123",
      "PublishedAt": "2026-03-02T22:09:10.000Z",
      "State": "open",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Down sample and image resolution parameters",
      "Excerpt": "The underlying tools for snapshots should allow downsampling images, since images can eat up a lot of LLM context",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/121",
      "PublishedAt": "2026-03-02T19:26:37.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Use latest zoo-kcl for kcl -> model analysis",
      "Excerpt": "The current functionality of creating model analyses (mass, volume, surface area) when using a KCL project/file requires the project to be exported first to a cad interop file, like .step, before a analysis can be created. In the latest release of zoo-kcl a direct kcl project to physical properties functionality exists so that should be used over the current implementation to save processing/io time",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/120",
      "PublishedAt": "2026-03-02T15:44:27.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Add svg2kcl tool",
      "Excerpt": "<https://github.com/KittyCAD/svg2kcl>",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/119",
      "PublishedAt": "2026-03-02T15:37:29.000Z",
      "State": "open",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Relax main.kcl checks for lint and format",
      "Excerpt": "Currently the need for a main.kcl is enforced within the function `_check_kcl_code_or_path`. This can cause issues if a project doesn't have a main.kcl\n\n<https://github.com/KittyCAD/text-to-cad/issues/2685>",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/100",
      "PublishedAt": "2026-01-23T17:23:49.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Add tool to save images to local disk",
      "Excerpt": "For human review of CAD models it would helpful to save an image locally. Currently images only exist as byte strings that get passed to the LLM",
      "SourceUrl": "https://github.com/KittyCAD/mcp/issues/88",
      "PublishedAt": "2025-12-18T16:12:32.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    }
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