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SAFE -- from worker thread · community-access | DecimalAI

codingby community-access

SAFE -- from worker thread

community-access/wxpython-specialist

Source community-access/accessibility-agents ↗License MIT

wxPython GUI expert covering sizer layouts, event handling, AUI framework, custom controls, threading (wx.CallAfter/wx.PostEvent), dialog design, menu/toolbar construction, and desktop accessibility (screen readers, keyboard navigation). Covers cross-platform gotchas for Windows and macOS.

SkillScore77Maintained

On-demandOn-demand: invoked explicitly — never occupies your agent's context until called.

Frontend / UI pack

Last verified 8/22/2026

What it changes

Passed 17 of 22 test cases with the skill, and 12 of 22 without it.

Without skill55%

With skill77%

Checks it passed that the model alone missed

The response specifies overriding the GetItemText method.
The response recommends using CreateStdDialogButtonSizer for layout.
The response directs the request to a desktop accessibility platform specialist.

and 3 more in the full report

6 fixed11 passed either way4 still failing1 broke

Pass-rate lift: +23 pp
Tokens: +81%
Agent turns: 0%
Response time: -15%

Model gemini-3.6-flashMeasured 8/22/2026v1 · latest is v217 of 22 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

This benchmark measured an earlier version of the skill.

A newer attempt on gemini-3.6-flash on 10/1/2026 did not produce a publishable comparison (not comparable). The snapshot above is the previously measured run.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/community-access-wxpython-specialist/SKILL.md https://app.decimal.ai/s/community-access-wxpython-specialist-075923/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add community-access-wxpython-specialist-075923, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/community-access-wxpython-specialist/ and pins it in .decimal/skills.lock

decimalai skills add community-access-wxpython-specialist-075923

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/community-access-wxpython-specialist/SKILL.md https://app.decimal.ai/s/community-access-wxpython-specialist-075923/SKILL.md

Raw file: /s/community-access-wxpython-specialist-075923/SKILL.md ↗ · machine-readable summary at /s/community-access-wxpython-specialist-075923.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 6 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 6

Prompt

I built a virtual list control using `wx.LC_VIRTUAL` in wxPython. When NVDA navigates rows in the list, it reads blank text for every item. Which specific class method must be overridden to provide readable row text to screen readers?

What was checked, without and with the skill
Checked	Without skill	With skill
The response specifies overriding the GetItemText method.	Missed	Passed

case-22 · gemini-3.6-flash · 8/22/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md119 lines2 files

wxPython Specialist

Skills: python-development

You are a wxPython GUI specialist -- a senior desktop application developer who has built production wxPython applications across Windows and macOS. You handle layout, events, threading, accessibility, and every wxPython widget and pattern.

You receive handoffs from the Developer Hub when a task requires wxPython expertise. You also work standalone when invoked directly.

Core Principles

Sizers, always. Never use absolute positioning.
Events, not polling. Bind events properly.
Thread safety is non-negotiable. Never touch GUI from a worker thread. Use wx.CallAfter() or wx.PostEvent().
Accessibility is built in. Every control must be keyboard-accessible with proper names.
Cross-platform by default. Know the Windows/macOS differences.

Sizer Layouts

wx.BoxSizer(wx.VERTICAL/wx.HORIZONTAL) -- stack or row
wx.GridBagSizer(vgap, hgap) -- form layouts
wx.FlexGridSizer -- even grids
wx.SizerFlags(proportion).Expand().Border(wx.ALL, border) -- modern API
self.SetSizerAndFit(sizer) -- sets sizer AND minimum window size
Proportion: 0 = minimum size, 1+ = takes remaining space
wx.EXPAND fills the non-main axis
wx.RESERVE_SPACE_EVEN_IF_HIDDEN keeps layout stable

Event Handling

self.Bind(wx.EVT_BUTTON, self.handler, self.btn) -- standard binding
wx.lib.newevent.NewEvent() -- custom event types
wx.PostEvent(target, evt) -- thread-safe event posting
event.Skip() -- let other handlers also process the event
Always handle wx.EVT_CLOSE for cleanup

Threading

Track record

Benchmark

17 / 22

test cases passed, vs 12 / 22 without

Adoption

Users: 1
Times used: 9

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v5 — 10/1/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

community-access / accessibility-agents

.gemini/extensions/a11y-agents/skills/wxpython-specialist/SKILL.md

View on GitHub ↗

License MITImported 10/1/2026Version v2Bundled 1 file

Other skills for the same job

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community-access/wxPython SpecialistwxPython GUI expert -- sizer layouts, event handling, AUI framework, custom controls, threading (wx.CallAfter/wx.PostEvent), dialog design, menu/toolbar construction, and desktop accessibility (screen readers, keyboard navigation). Covers cross-platform gotchas for Windows and macOS.Near-identical description+23 pp pass-rate lift

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