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  "Slug": "ankusdrive",
  "Name": "AnkusDrive",
  "CanonicalUrl": "https://askpod.ai/mcp/ankusdrive/issues",
  "ServerUrl": "https://askpod.ai/mcp/ankusdrive",
  "IssueTotal": 20,
  "Held": 17,
  "Issues": [
    {
      "Title": "Agent loses airtight-shell invariant across iterative geometry edits",
      "Excerpt": "## Context\n\nWhile using the DriftPin MCP server to model a Makita router → Dewalt shop-vac\nadapter through an LLM agent (Claude Code, Opus 4.7), I observed a repeated\nfailure mode that I don't think is solely the agent's fault — it's a class of\nproblem where DriftPin's tool surface does not push the agent toward\nverifiable geometric invariants.\n\nFull transcript: https://gist.github.com/mpetne/16dc4d2119ce41a24faf3d2c449ee79d\n\n## Failure pattern across three iterations\n\nEach iteration \"fixed the…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/19",
      "PublishedAt": "2026-06-04T19:09:07.000Z",
      "State": "closed",
      "Comments": 5,
      "Reporter": "External",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "macOS: no SU2 case builder, so \"CFD degrades to SU2\" is still aspirational (#237 item 3)",
      "Excerpt": "Found by the agent-eval run of 2026-07-31 (`scratch/agent_evals/`). Affects the \"prove it with a CFD solve\" workflow (#222) on macOS specifically.\n\n## Problem: on macOS, no built-in CFD case can actually solve — but every affordance says CFD is available\n\nVerified live on Apple Silicon with the Multipass VM **provisioned (OpenFOAM v2512 installed) and running**:\n\n1. `solve_capabilities` reports the `cfd` family `any_available: true` (SU2 resolves natively), and `docs/MACOS.md` says *\"CFD alone…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/237",
      "PublishedAt": "2026-08-01T05:25:59.000Z",
      "State": "closed",
      "Comments": 2,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "Modeling: pocket/hole carry the #282 degenerate-cut warnings but have no `strict` escalation",
      "Excerpt": "**Source:** follow-up from the #282 implementation (the audit it asked for found this and deliberately left it).\n\n## Problem\n\n#282 taught the subtractive path to name its two degenerate outcomes. `_h_boolean_op`\ngot the full treatment — `removed_volume`, `volume_ratio`, a `warnings` list, and a\n`strict: true` param that upgrades annihilation/miss to an error for scripted recipes\n(`driftpin/worker.py:2790`, `driftpin/worker.py:2834`).\n\nThe audit found `pocket`/`hole` share the defect and they…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/287",
      "PublishedAt": "2026-08-22T04:35:25.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "add_primitive silently ignores name= — every test that names a primitive is naming nothing",
      "Excerpt": "Found incidentally while building #234: a two-sided test asserting \"a hand-modelled part called `M6Screw` must NOT receive a standard-part designation\" failed, because the object was actually still labelled `Cylinder`.\n\n## The problem\n\n`@handler(\"add_primitive\")` in `driftpin/worker.py` accepts a `name` parameter by convention (callers pass it, and other `add_*` handlers honour it), but the handler contains no `name` or `Label` handling at all. The value is accepted and discarded, and the…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/246",
      "PublishedAt": "2026-08-02T01:45:49.000Z",
      "State": "closed",
      "Comments": 1,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "em_fullwave waveguide_sweep: returns ok:true with nulls when port placement exceeds guide length",
      "Excerpt": "**Environment (reproduced):** AnkusDrive 0.5.5 (main @ 17a90aa), macOS arm64, Python 3.14, openEMS source build `0.0.36.post1.dev206`. Runner `ankusdrive/em_fullwave_gpl_runner.py` driven directly over the stdin/stdout sentinel protocol. openEMS itself is fine; these are problems in how the runner sets up the case and in what the gate measures.\n\n## Summary\nPorts sit at `10*mesh_res`–`15*mesh_res` from each end of the guide. When `cells_per_wl` is small, `mesh_res` grows until the port planes…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/403",
      "PublishedAt": "2026-09-14T06:57:14.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "em_fullwave dipole_s11: mesh resolution is coupled to f_stop, so the resonance depends on the sweep window",
      "Excerpt": "**Environment (reproduced):** AnkusDrive 0.5.5 (main @ 17a90aa), macOS arm64, Python 3.14, openEMS source build `0.0.36.post1.dev206`. Runner `ankusdrive/em_fullwave_gpl_runner.py` driven directly over the stdin/stdout sentinel protocol. openEMS itself is fine; these are problems in how the runner sets up the case and in what the gate measures.\n\n## Summary\nIn `_dipole_s11`, `mesh_res = lam0/30` with `lam0 = C0/f_stop`. `f_stop` also sets the Gaussian excitation (`f0=(f_start+f_stop)/2`,…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/400",
      "PublishedAt": "2026-09-14T06:57:11.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "em_fullwave dipole_s11: radius_mm and gap_mm are inert — both are below mesh resolution",
      "Excerpt": "**Environment (reproduced):** AnkusDrive 0.5.5 (main @ 17a90aa), macOS arm64, Python 3.14, openEMS source build `0.0.36.post1.dev206`. Runner `ankusdrive/em_fullwave_gpl_runner.py` driven directly over the stdin/stdout sentinel protocol. openEMS itself is fine; these are problems in how the runner sets up the case and in what the gate measures.\n\n## Summary\n`_dipole_s11` accepts `radius_mm` and `gap_mm`, but the mesh never gets extra lines at either feature, so neither one changes the result.…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/399",
      "PublishedAt": "2026-09-14T06:57:10.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "em_fullwave: fc_ratio compares the port's analytic cutoff to itself — it is not an FDTD gate",
      "Excerpt": "**Environment (reproduced):** AnkusDrive 0.5.5 (main @ 17a90aa), macOS arm64, Python 3.14, openEMS source build `0.0.36.post1.dev206`. Runner `ankusdrive/em_fullwave_gpl_runner.py` driven directly over the stdin/stdout sentinel protocol. openEMS itself is fine; these are problems in how the runner sets up the case and in what the gate measures.\n\n## Summary\n`_waveguide_sweep` reports `fc_ratio = fc_crossing_ghz / fc_analytic_ghz`. The runner docstring, the `em_fullwave_submit` handler and the…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/398",
      "PublishedAt": "2026-09-14T06:57:08.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "top",
      "Extractor": "github_issue"
    },
    {
      "Title": "setup_status / doctor install hints are wrong inside the MCPB bundle",
      "Excerpt": "Found while verifying the MCPB bundle (#346) in Claude Desktop, 2026-09-12.\n\n## The defect\n\n`setup_status` and `ankusdrive doctor` recommend commands like:\n\n```\npip install 'ankusdrive[mbd]'       # mujoco\npip install 'ankusdrive[topology]'  # topopt/solidspy\npip install 'ankusdrive[optics]'    # rayoptics + optiland\n```\n\nWhen AnkusDrive runs from the `.mcpb` bundle, none of these can work:\n\n- The server's interpreter is a **uv-managed `.venv` inside Claude's extension directory**…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/347",
      "PublishedAt": "2026-09-12T20:50:23.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Tests: test_mcp_boot.py skips on the self-hosted Linux lane, so #279's boot check has never run there",
      "Excerpt": "**Source:** found while wiring `test_mcp.py` into CI for #288 — reading the job logs rather than trusting the green checkmarks.\n\n## Problem\n\n`tests/test_mcp_boot.py` is the test #279 was written to produce: proof that an interpreter can *serve* MCP over stdio, with FreeCAD deliberately unresolved, so \"MCP is broken\" stays distinguishable from \"FreeCAD isn't found\". On the self-hosted Linux lane it has never run. From the `Test suite (FreeCAD 1.1, self-hosted)` job:\n\n```\nSKIP test_mcp_boot — the…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/317",
      "PublishedAt": "2026-08-30T21:17:23.000Z",
      "State": "open",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "fem_run blocks the MCP channel — route it through the submit→poll job pattern",
      "Excerpt": "`fem_run` is the last long-running solve that still blocks the MCP channel. Its own docstring says so:\n\n```\nankusdrive/mcp_server.py:3512\ndef fem_run(analysis, workdir=\"/tmp/ankusdrive_fem\") -> dict:\n    \"\"\"Run the CalculiX solver on an analysis. Blocks until the solve finishes.\n```\n\nEvery other heavy family has already moved to the submit→poll job pattern — `study_submit`, `optimize_submit`, `cfd_*_submit`, `molding_fill_submit`, `acoustic_fem_submit`, `em_fullwave_submit` — with `job_status`…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/308",
      "PublishedAt": "2026-08-30T20:18:08.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Install: Windows first-run path failed for a real user (Python 3.14, manual README steps) — harden the quickstart",
      "Excerpt": "**Source:** external install report (2026-08-13, Windows 11 Home build 26200, Python 3.14).\n\n## What happened\n\nThe reporter followed the README steps manually on Windows: installed FreeCAD fine, but \"had some issues with the MCP step\" and eventually **gave up on the local install entirely** — downloaded the repo zip and had Claude Cowork build a cloud Ubuntu 24.04 / Python 3.11 sandbox instead. The local Windows install never succeeded.\n\nContributing factors identified or suspected:\n\n1. **mcp…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/279",
      "PublishedAt": "2026-08-13T23:07:48.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Install: `driftpin doctor` should preflight the MCP server import, not just FreeCAD/solvers",
      "Excerpt": "**Source:** external install report (2026-08-13).\n\n## Problem\n\nIn the field report, `driftpin ping` and `driftpin doctor` both **passed** while `driftpin mcp` was completely broken (mcp 2.0.0 ImportError — see companion issue \"unpinned mcp dependency\"). The CLI paths never import the `mcp` package, so `doctor` certified an install whose entire reason for existing — serving 240+ MCP tools to an LLM client — did not work.\n\nThis is the silent-default defect class again: an absence (working MCP…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/278",
      "PublishedAt": "2026-08-13T23:07:47.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "Bug: unpinned `mcp` dependency — mcp 2.0.0 breaks `driftpin mcp` with `No module named 'mcp.server.fastmcp'`",
      "Excerpt": "**Source:** external install report (2026-08-13, cloud sandbox: Ubuntu 24.04, Python 3.11, DriftPin 0.4.0, FreeCAD 1.1.3 AppImage).\n\n## What happens\n\n`pyproject.toml` declares `\"mcp>=1.2\"` with no upper bound (`pyproject.toml:54`). A fresh `pip install` today resolves **mcp 2.0.0**, whose server module was restructured — `mcp.server.fastmcp.FastMCP` no longer exists. Result:\n\n- `driftpin mcp` fails immediately: `ImportError: No module named 'mcp.server.fastmcp'` (import at…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/277",
      "PublishedAt": "2026-08-13T23:07:46.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "slice_estimate MCP tool omits density_g_cc/filament_dia_mm — same unfollowable error as #238",
      "Excerpt": "Found by the wrapper-drift audit done while fixing #238 (PR #263). Same failure mode, same layer, different tool — and the only other hit in an AST sweep of all 281 MCP tools.\n\n## Problem\n\n`driftpin/analysis/slicing.py::slice_estimate` takes `filament_dia_mm: float = 1.75` and `density_g_cc: float | None = None`. The worker handler at `driftpin/worker.py:13614` forwards `**p`. The FastMCP wrapper at `driftpin/mcp_server.py:6713` exposes **neither** — it forwards a fixed eight kwargs.\n\nSo…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/264",
      "PublishedAt": "2026-08-04T03:56:32.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "add_primitive silently ignores name= (44 call sites naming nothing)",
      "Excerpt": "Found while building #234's two-sided designation test (\"a hand-modelled part called `M6Screw` must NOT get a designation\") — the test failed because the object wasn't actually called that.\n\n## Problem\n\n`@handler(\"add_primitive\")` in `driftpin/worker.py` never reads `p.get(\"name\")`, and the `add_primitive` MCP tool in `driftpin/mcp_server.py` has no `name` parameter at all. Callers passing `name=` get no error and no name — the object's `Label` stays `Box` / `Cylinder` / `Sphere`.\n\n44 call…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/247",
      "PublishedAt": "2026-08-02T04:52:49.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    },
    {
      "Title": "cost_estimate MCP tool omits price_usd_kg/density_kg_m3 — its own error message is unfollowable",
      "Excerpt": "Found by the agent-eval prep of 2026-07-31 (`scratch/agent_evals/`): a direct MCP call `cost_estimate(volume_mm3=30429, material=\"aluminum\", ...)` fails with\n\n```\nValueError: no price for 'aluminum'; pass price_usd_kg\n```\n\n## Problem\n\nThe error's instruction cannot be followed over MCP. `driftpin/analysis/cost.py::cost_estimate` accepts `price_usd_kg` (and `density_kg_m3`) overrides, and the worker handler forwards `**p` — but the FastMCP wrapper's signature…",
      "SourceUrl": "https://github.com/gchen19/AnkusDrive/issues/238",
      "PublishedAt": "2026-08-01T05:26:00.000Z",
      "State": "closed",
      "Comments": 0,
      "Reporter": "Maintainer",
      "Rank": "recent",
      "Extractor": "github_issue"
    }
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