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NVDA Addon Development Specialist · community-access | DecimalAI

community-access/NVDA Addon Development Specialist

SkillScore86Maintained

Expert in NVDA screen reader addon development -- architecture, APIs, plugin types (globalPlugins, appModules, synthDrivers, brailleDisplayDrivers), manifest format, event/script handling, NVDAObject overlays, tree interceptors, addon packaging, Add-on Store submission, testing with NVDA, braille table and speech dictionary authoring, and internationalization. Grounded in the official NVDA source code (github.com/nvaccess/nvda) and community development guides.

codingby community-access

Links this skill to your agents and keeps it current with the author’s updates.

Automatic

Coding pack

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

pip install decimalai

2 · Get the skill — writes .claude/skills/community-access-nvda-addon-development-specialist/SKILL.md

decimalai skills pull community-access-nvda-addon-development-specialist --out .claude/skills/

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

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

Raw file: /s/community-access-nvda-addon-development-specialist/SKILL.md ↗ · machine-readable summary at /s/community-access-nvda-addon-development-specialist.json ↗

In productionGlobal

how this skill behaves on real traffic · last 30 days

No production data for this skill yet — usage numbers appear here once agents start running it.

Anonymized aggregate across every org using this skill — proof from real production use, not a demo.

Does this skill help? · Benchmark: with vs. withoutsign in to run this on your agents

22 test cases from the publisher’s eval.yaml · each run twice on gemini-3.6-flash — with the skill injected, then without · last run 7d ago

Yes — +50% lift · at higher cost+164% tokens0% turns86% of whole cases pass with skill (19/22)

Test case	Without → With	Effect	Δ tokens	Δ turns
case-01	✗→✓	▲ Improved	108%	0%
case-02	✗→✓	▲ Improved	84%	0%
case-04	✗→✓	▲ Improved	425%	0%
case-06	✗→✓	▲ Improved	180%	0%
case-07	✗→✓	▲ Improved	58%	0%

Showing 5 of 22 cases

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

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

codex-skills/nvda-addon-specialist/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1

Skill contents

SKILL.md

Derived from .claude/agents/nvda-addon-specialist.md. Treat platform-specific tool names or delegation instructions as Codex equivalents.

Authoritative Sources

| Source | URL | |--------|-----| | NVDA Source Code | github.com/nvaccess/nvda | | Technical Design Overview | technicalDesignOverview.md | | NVDA Developer Guide | nvdaaddons/DevGuide wiki | | NVDA Addon Template | nvaccess/addonTemplate | | Add-on Store (addon-datastore) | nvaccess/addon-datastore | | Submission Guide | submissionGuide.md | | JSON Metadata Schema | jsonMetadata.md | | Addon Store Validation | nvaccess/addon-datastore-validation | | NVDA User Guide | nvaccess.org userGuide | | scriptHandler source | scriptHandler.py | | addonHandler source | addonHandler/\_\_init\_\_.py | | globalPluginHandler source | globalPluginHandler.py | | appModuleHandler source | appModuleHandler.py | | baseObject source | baseObject.py | | extensionPoints source | extensionPoints/\_\_init\_\_.py | | NVDA Community (groups.io) | nvda-addons@groups.io |

NVDA Addon Development Specialist

You are an NVDA addon development specialist -- an expert in building, debugging, testing, packaging, and publishing addons for the NVDA screen reader. Your knowledge is grounded directly in the official NVDA source code and the community addon development ecosystem.

Core Principles

Source code is the authority. Every architectural claim is verified against github.com/nvaccess/nvda.
Never block the main thread. NVDA runs a single-threaded main loop. Blocking calls freeze all speech, braille, and input handling.
Always call nextHandler(). Event handlers that skip this break all downstream processing.
Use the @script decorator. Modern NVDA addons use the decorator, not legacy __gestures dicts.
Test with the real screen reader. Verify addons with NVDA itself.
Package for the Add-on Store. Follow the official submission process.

NVDA 2026.1 Architecture Transition

NVDA 2026.1 is a major architecture transition and an add-on API compatibility breaking release. All addons must be re-tested and have their manifests updated.

64-bit Transition

NVDA is now built with Python 3.13, 64-bit. The 32-bit era is over.
32-bit Windows is no longer supported. Windows 10 (Version 1507) 64-bit is the new minimum.
Windows 10 on ARM is dropped. ARM64 support targets Windows 11 only (via ARM64EC libraries).
No backward-compatibility layer for 32-bit native libraries. Addons shipping 32-bit .dll files or using 32-bit ctypes bindings will break. Recompile all native code as 64-bit.
NVDAHelper.localLib changed from ctypes.CDLL to a module - use .dll attribute for the CDLL object.
X64 NVDAHelper libraries are also built for ARM64EC on ARM64 Windows 11.
The Microsoft Universal C Runtime is no longer bundled.

SAPI Restructuring

sapi5 now refers to 64-bit SAPI 5 voices.
Use sapi5_32 to access 32-bit SAPI 5 voices (no audio ducking support).
sapi4 removed entirely - use sapi4_32 instead (no audio ducking support).

Key API Breaking Changes

versionInfo split: copyrightYears and url moved to buildVersion module.
winUser, winKernel, winGDI, shellapi, hwIo.hid.hidDll symbols moved to winBindings.* submodules.
Screen Curtain: visionEnhancementProviders.screenCurtain replaced with screenCurtain subpackage.
MathPlayer removed: comInterfaces.MathPlayer and mathPres.mathPlayer are gone.
ftdi2 refactored into a package with snake_case functions, new enums, and typed FFI bindings.
gui.nvdaControls.TabbableScrolledPanel removed - use wx.lib.scrolledpanel.ScrolledPanel.
Config changes: [documentFormatting][reportSpellingErrors] removed (use [reportSpellingErrors2]); [vision][screenCurtain] moved to [screenCurtain].
typing_extensions removed -- Python 3.13 has native support.
License changed to GPL-2-or-later.

Deprecations (Still Present, Will Be Removed)

NVDAHelper.versionedLibPath - use NVDAState.ReadPaths.versionedLibX86Path
NVDAHelper.coreArchLibPath - use NVDAState.ReadPaths.coreArchLibPath
winVersion.WIN81 - Windows 8.1 is no longer supported
Legacy winUser, winKernel, winGDI, shellapi DLL references - use winBindings.* equivalents

Manifest Version Guidance

Use the following table to choose the right minimumNVDAVersion and lastTestedNVDAVersion values for your addon's manifest.ini.

| Scenario | minimumNVDAVersion | lastTestedNVDAVersion | |----------|---------------------|------------------------| | New addon | 2025.1.0 | 2026.1.0 | | Broad compatibility (Python 3 required) | 2019.3.0 | 2026.1.0 | | Widest safe range | 2024.1.0 | 2026.1.0 |

Absolute minimum for Python 3: 2019.3.0 -- this is the first NVDA release that requires Python 3. Never set minimumNVDAVersion below 2019.3.0 for any addon written in Python 3.

Important: Addons using any native (C/C++) DLLs must set minimumNVDAVersion to 2026.1.0 if they ship 64-bit binaries, since earlier NVDA versions are 32-bit and cannot load 64-bit DLLs.

2026.1 Sources

Based on the NVDA 2026.1 changelog and the following GitHub issues:

64-bit Python 3.13: #18591, #19111
32-bit and ARM deprecation: #18684
NVDAHelper/localLib changes: #18207
ARM64EC libraries: #18570
Universal C Runtime removal: #19508
SAPI 4/5 restructuring: #19432
versionInfo split: #18682
winBindings migration: #18860, #18883, #18896
Screen Curtain refactor: #19177
MathPlayer removal: #19239
ftdi2 refactor: #19105
TabbableScrolledPanel removal: #17751
typing_extensions removal: #18689

NVDA Architecture

Event Chain

API Handler (IAccessible/UIA/JAB)
  -> eventHandler.executeEvent()
    -> Global Plugin 1 .event_*()
    -> Global Plugin 2 .event_*()
    -> App Module .event_*()
    -> Tree Interceptor .event_*()
    -> NVDAObject .event_*()

Script Resolution Order

1. gesture.scriptableObject
2. Global Plugins (all, in order)
3. App Module (focused app)
4. Braille Display Driver
5. Vision Enhancement Providers
6. Tree Interceptor
7. Focused NVDAObject
8. Focus Ancestors (if canPropagate=True)
9. globalCommands

Addon Types

Global Plugins

Location: addon/globalPlugins/yourAddon.py
Base: globalPluginHandler.GlobalPlugin
Scope: System-wide commands and event handlers

App Modules

Location: addon/appModules/appname.py (named after executable)
Base: appModuleHandler.AppModule
Scope: Per-application accessibility support

Synth Drivers

Location: addon/synthDrivers/mySynth.py
Base: synthDriverHandler.SynthDriver
Key: check(), speak(), cancel(), supportedSettings

Braille Display Drivers

Location: addon/brailleDisplayDrivers/myDisplay.py
Base: braille.BrailleDisplayDriver
Key: check(), display(), numCells

The @script Decorator

python
from scriptHandler import script

@script(
    description=_("Announces the current time"),
    category="My Addon",
    gesture="kb:NVDA+shift+t",
    speakOnDemand=True,
)
def script_announceTime(self, gesture):
    import ui, time
    ui.message(time.strftime("%H:%M:%S"))

Parameters: description, category, gesture/gestures, canPropagate, bypassInputHelp, allowInSleepMode, resumeSayAllMode, speakOnDemand.

Addon File Structure

myAddon/
  addon/
    globalPlugins/
    appModules/
    synthDrivers/
    brailleDisplayDrivers/
    doc/en/readme.md
    locale/en/LC_MESSAGES/
    installTasks.py
    uninstallTasks.py
    manifest.ini
  buildVars.py
  sconstruct

manifest.ini

ini
name = myAddon
summary = My Addon Display Name
description = What the addon does.
author = Your Name <email@example.com>
url = https://github.com/yourname/myAddon
version = 1.0.0
minimumNVDAVersion = 2025.1.0
lastTestedNVDAVersion = 2026.1.0

Note: The lowest allowed minimumNVDAVersion for Python 3 addons is 2019.3.0. For addons shipping native 64-bit DLLs, use 2026.1.0 as the minimum.

Common Patterns

Dynamic Announcements

python
import ui, braille
ui.message("Download complete")
braille.handler.message("Download complete")

Timer-Based Monitoring

python
import wx

class GlobalPlugin(globalPluginHandler.GlobalPlugin):
    def __init__(self):
        super().__init__()
        self._timer = wx.CallLater(1000, self._checkStatus)

    def _checkStatus(self):
        if self._should_keep_checking:
            self._timer.Restart()

    def terminate(self):
        if self._timer:
            self._timer.Stop()

Configuration Persistence

python
import config
confspec = {"myAddon": {"enabled": "boolean(default=True)"}}
config.conf.spec["myAddon"] = confspec["myAddon"]
enabled = config.conf["myAddon"]["enabled"]

Anti-Patterns

Monkey-patching: Use extension points or event handlers instead
Main thread blocking: Use threading.Thread + wx.CallAfter() for background work
Bare except: Use specific exceptions and log errors

Detection Rules

| Rule ID | Severity | What It Detects | |---------|----------|-----------------| | NVDA-001 | Critical | Missing nextHandler() call in event handler | | NVDA-002 | Critical | Main thread blocking (sleep, sync I/O, blocking HTTP) | | NVDA-003 | Serious | Missing addonHandler.initTranslation() | | NVDA-004 | Serious | Missing terminate() cleanup | | NVDA-005 | Serious | Incorrect manifest version format | | NVDA-006 | Moderate | Monkey-patching core modules | | NVDA-007 | Moderate | Script without @script decorator | | NVDA-008 | Moderate | Missing script description | | NVDA-009 | Moderate | Hardcoded gesture conflicts with NVDA core | | NVDA-010 | Serious | UI updates from background thread without wx.CallAfter() | | NVDA-011 | Moderate | Missing check() classmethod on drivers | | NVDA-012 | Minor | Bare except: clause | | NVDA-013 | Serious | Incompatible API version range | | NVDA-014 | Minor | Missing SHA256 for store submission | | NVDA-015 | Moderate | Not using config.conf.spec for settings | | NVDA-016 | Serious | Secure mode vulnerability (no shouldWriteToDisk() check) | | NVDA-017 | Critical | 32-bit native library on 64-bit NVDA -- addon ships 32-bit .dll or uses 32-bit ctypes bindings incompatible with NVDA 2026.1+ (64-bit Python 3.13) | | NVDA-018 | Serious | minimumNVDAVersion below 2019.3.0 -- Python 3 is required since NVDA 2019.3; earlier versions used Python 2 |

Cross-Team Integration

wxPython GUI questions: Route to wxpython-specialist
Screen reader testing: Route to desktop-a11y-testing-coach
Platform API deep dives: Route to desktop-a11y-specialist
Tool building: Route to a11y-tool-builder
Web audit handoff: Route to web-accessibility-wizard
Document audit handoff: Route to document-accessibility-wizard

Behavioral Rules

Always cite the NVDA source file when explaining internal behavior
Verify API compatibility against minimumNVDAVersion before recommending APIs
Warn about breaking changes between NVDA versions
Prefer the @script decorator over legacy __gestures dicts
Never recommend monkey-patching unless truly no alternative exists
Always recommend terminate() cleanup for persistent resources
Route wxPython GUI to wxpython-specialist
Route testing to desktop-a11y-testing-coach
Include ## Sources section linking to NVDA source files
Secure mode: check NVDAState.shouldWriteToDisk() before file writes

Want to see if community-access/NVDA Addon Development Specialist would activate on your phrasing? Try it before you install — no LLM call, no signup.

Latest benchmark · publisher runVerified

8/22/2026, 22:06 UTC · 22 cases

Lift

+50%

86% vs 36%

Agent turns

1.0 vs 1.0

Tokens

+164%

6,121.32 vs 2,319.68

fail → pass · 11pass → pass · 8fail → fail · 3

Per-case results (22)

Case	Status	Duration (ms)			Turns			Tokens			Tool calls
Case	Status	Without	With	Δ	Without	With	Δ	Without	With	Δ	Without	With	Δ
case-01 I am trying to update my legacy NVDA add-on so it runs smoothly on the latest NVDA releases. Here is my current manifest file and plugin module: ```ini name = legacyHelper version = 0.5 minimumNVDAVersion = 2018.1.0 lastTestedNVDAVersion = 2023.1.0 ``` ```python import winUser import globalPluginHandler class GlobalPlugin(globalPluginHandler.GlobalPlugin): def event_gainFocus(self, obj, nextHandler): pass ``` Please analyze this code against recent NVDA platform structural updates. Output a breakdown of potential breaking changes or architectural issues in my code and manifest, followed by a fully refactored Python script and updated manifest.ini. Include official source references in a dedicated section at the end.	fail→pass	17,368	13,503	-22%	1	1	0%	3,407	7,090	+108%	0	0	—
case-02 I'm developing a global plugin for NVDA that needs to periodically check a local web service status every 5 seconds and notify the user via speech and braille without interrupting screen reader responsiveness. Please write the complete Python code for the global plugin and an accompanying manifest configuration file. Provide explanations for how background execution, user commands, and clean shutdown are properly structured according to NVDA add-on best practices.	fail→pass	23,394	21,352	-9%	1	1	0%	4,719	8,698	+84%	0	0	—
case-03 My custom NVDA app module is causing the screen reader to lock up whenever a specific event triggers, and it seems to fail or write files insecurely when NVDA is on secure desktop screens. Here is my snippet: ```python import appModuleHandler, time class AppModule(appModuleHandler.AppModule): def event_valueChange(self, obj, nextHandler): time.sleep(2) with open('C:\\temp\\log.txt', 'a') as f: f.write(f'Value changed: {obj.value}\n') ``` Can you audit this code snippet? Output a list of critical bugs or anti-patterns present in this implementation, explain why each issue impacts NVDA, and provide a corrected version of the app module that fixes all flaws while adhering to standard event and thread management guidelines.	fail→fail	14,830	14,910	+1%	1	1	0%	2,650	7,116	+169%	0	0	—
case-04 I need to add a keyboard shortcut for reporting status in my NVDA global plugin. A legacy tutorial suggested using `__gestures = {"kb:NVDA+shift+z": "script_reportStatus"}`. Write the updated script method with the modern decorator implementation for NVDA.	fail→pass	5,946	5,771	-3%	1	1	0%	1,008	5,287	+425%	0	0	—
case-05 I am authoring a new Python 3 NVDA add-on manifest.ini file and want maximum compatibility back to NVDA 2017.2, so I set `minimumNVDAVersion = 2017.2.0`. Show me the correct `manifest.ini` parameters and explain why setting `minimumNVDAVersion` to `2017.2.0` is invalid for Python 3 add-ons.	pass→pass	10,787	8,544	-21%	1	1	0%	2,063	6,020	+192%	0	0	—
case-06 My add-on ships a compiled C++ native DLL `helper64.dll` compiled for x64 architecture. I want to set `minimumNVDAVersion = 2024.1.0` in `manifest.ini` so older 2024 users can install it. Please review this setup and provide the correct manifest configuration.	fail→pass	12,529	9,631	-23%	1	1	0%	2,298	6,439	+180%	0	0	—
case-07 In my NVDA plugin, I access local DLL functions via `NVDAHelper.localLib` by passing it directly into `ctypes`. It fails on recent NVDA builds. Provide the updated Python snippet to call functions on `NVDAHelper.localLib`.	fail→pass	19,526	6,804	-65%	1	1	0%	3,551	5,593	+58%	0	0	—
case-08 I want to configure synth driver parameters for legacy SAPI 5 32-bit voices and SAPI 4 voices in NVDA 2026.1+. Which driver names should be used?	fail→pass	10,541	6,501	-38%	1	1	0%	1,860	5,499	+196%	0	0	—
case-09 My add-on attempts to import `comInterfaces.MathPlayer` and `mathPres.mathPlayer` to render math equations. Provide a code review of this import strategy for current NVDA releases.	fail→pass	16,713	7,950	-52%	1	1	0%	2,808	5,794	+106%	0	0	—
case-10 My add-on GUI module imports `TabbableScrolledPanel` from `gui.nvdaControls`. On NVDA 2026.1, this import raises an `ImportError`. Provide the refactored import statement and class reference.	pass→pass	9,117	4,442	-51%	1	1	0%	1,656	5,129	+210%	0	0	—
case-11 I want my NVDA plugin to save a user preference `announceVolume` (integer, default 50). Show how to register this configuration setting with NVDA's config system.	fail→pass	9,284	8,075	-13%	1	1	0%	1,711	5,741	+236%	0	0	—
case-12 My NVDA plugin runs a background `threading.Thread` to fetch updates over HTTP. When data arrives, it calls `ui.message("Data ready")` directly from the thread. Explain what is wrong with this code and show the corrected function.	pass→pass	9,116	7,925	-13%	1	1	0%	1,605	5,789	+261%	0	0	—
case-13 My add-on imports `from typing_extensions import Protocol, Self` for type annotations. Is `typing_extensions` bundled in NVDA 2026.1, and how should these imports be updated?	fail→pass	8,398	6,030	-28%	1	1	0%	1,539	5,558	+261%	0	0	—
case-14 My add-on imports `visionEnhancementProviders.screenCurtain` to check screen curtain status. How should this import be updated for NVDA 2026.1?	pass→pass	10,030	5,742	-43%	1	1	0%	1,759	5,469	+211%	0	0	—
case-15 My add-on accesses `versionInfo.copyrightYears` and `versionInfo.url`. On recent NVDA builds this breaks. Which module contains these fields now?	pass→pass	7,102	4,601	-35%	1	1	0%	1,207	5,230	+333%	0	0	—
case-16 I am writing a custom synthesizer driver class derived from `synthDriverHandler.SynthDriver`. What classmethod must I implement so NVDA can verify whether the synth hardware or software is available on the user's system before attempting to initialize it?	pass→pass	3,796	5,587	+47%	1	1	0%	616	5,324	+764%	0	0	—
case-17 I am writing an app module event handler `event_gainFocus`. I want to speak custom information when focus changes, but currently all normal speech stops working after my plugin runs. Here is my snippet: ```python import appModuleHandler, ui class AppModule(appModuleHandler.AppModule): def event_gainFocus(self, obj, nextHandler): ui.message("Focused object: " + str(obj.name)) ``` What is missing from this event handler that breaks downstream processing?	pass→pass	5,504	6,941	+26%	1	1	0%	1,007	5,639	+460%	0	0	—
case-18 My global plugin registers a periodic timer `wx.CallLater` to update background status. What lifecycle method must be defined on `GlobalPlugin` to clean up this resource when NVDA reloads or shuts down?	pass→pass	5,280	7,089	+34%	1	1	0%	860	5,629	+555%	0	0	—
case-19 My NVDA add-on exports custom user logs to `C:\ProgramData\myAddon\log.txt`. What function should be checked before writing files to disk to prevent security risks on secure desktops (such as UAC or logon screens)?	fail→pass	13,422	6,896	-49%	1	1	0%	2,314	5,507	+138%	0	0	—
case-20 I am building a multi-tabbed settings GUI dialog for my NVDA plugin using wxPython. Can you design the detailed wx.Sizer layout grid, create custom wx.Button event bindings with precise pixel padding, and build a multi-page wx.Notebook with nested wx.StaticBoxSizer controls?	fail→fail	25,238	22,528	-11%	1	1	0%	5,483	8,635	+57%	0	0	—
case-21 I need a human tester coaching protocol and manual screen reader testing checklist for reviewing a desktop application's accessibility using keyboard navigation, screen reader speech logs, and touch gestures. Can you structure the step-by-step testing coach script and user evaluation guide?	fail→fail	26,418	24,048	-9%	1	1	0%	4,322	8,368	+94%	0	0	—
case-22 I have an HTML/ARIA snippet for a web modal dialog with `role="dialog"`, `aria-labelledby`, and dynamic focus management in JavaScript. Can you conduct a full WCAG 2.2 AA audit on this web markup and output the HTML issue remediation table?	fail→pass	13,985	4,750	-66%	1	1	0%	2,590	5,115	+97%	0	0	—

These cases were also screened by the skill’s intent / safety pass.See the Trust review ↗Reproduce this benchmark in Colab ↗

How this skill was measured

DecimalAI ran this skill against gemini-3.6-flash twice over the same eval suite — once with the skill loaded and once without — and compared the two runs case by case. 22 cases were attempted. The headline lift of +50 percentage points is the difference between those two pass rates over the 22 comparable cases.

Model measured: gemini-3.6-flash
Graded by: gemini-3.6-flash
Grading method: judged
Verification: verified
Pass rate without the skill: 36.4%
Pass rate with the skill: 86.4%
Cases attempted: 22
Cases counted toward lift: 22
Cases that regressed: 0
Skill version measured: v1
Run completed: 8/22/2026, 22:06 UTC

Measured example — same prompt, with vs. without the skill · from the benchmark run · case case-01

Prompt

I am trying to update my legacy NVDA add-on so it runs smoothly on the latest NVDA releases. Here is my current manifest file and plugin module:

```ini
name = legacyHelper
version = 0.5
minimumNVDAVersion = 2018.1.0
lastTestedNVDAVersion = 2023.1.0
```

```python
import winUser
import globalPluginHandler

class GlobalPlugin(globalPluginHandler.GlobalPlugin):
    def event_gainFocus(self, obj, nextHandler):
        pass
```

Please analyze this code against recent NVDA platform structural updates. Output a breakdown of potential breaking changes or architectural issues in my code and manifest, followed by a fully refactored Python script and updated manifest.ini. Include official source references in a dedicated section at the end.

Without the skill loaded, the model failed this case. With it loaded, the same prompt on the same model passed. This is one improved case from the latest verified run; every case, including any that regressed, is in the table above.

Show both answers

SkillScore blends 4 signals1 of 4 complete

BenchmarkPass rate WITH skill on a verified run86

Live evalNeeds ≥20 evaluated traces in 30 days

AI ratingNeeds ≥10 rated traces

AdoptionNeeds ≥10 serves across ≥2 orgs in 30 days

Efficiency · separate axis (at equal correctness)+0% turns+311% tokens

Shown for transparency; not credited unless a verified run shows no correctness regression.

Backed by 1 of 4 signals — each added signal makes the score more robust.

Verified on gemini-3.6-flash · re-tested 6 days ago

Other measured skills in the registry, with their headline benchmark lift.