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multithreaded-task-migration

Guide for migrating MSBuild tasks to multithreaded mode support, including compatibility red-team review. Use this when converting tasks to thread-safe versions, implementing IMultiThreadableTask, adding TaskEnvironment support, or auditing migrations for behavioral compatibility.

77

Quality

96%

Does it follow best practices?

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SecuritybySnyk

Passed

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SKILL.md
Quality
Evals
Security

Quality

Content

92%

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

The body is a dense, highly actionable migration guide with executable code, explicit validation checkpoints, and concrete detection steps for each compatibility sin. Its main weakness is progressive disclosure: the substantial red-team playbook and test-pattern material are inline rather than split into one-level-deep reference files.

Suggestions

Move the '7 Deadly Compatibility Sins' detail and the 'Test Patterns for MT Migrations' section into separate reference files (e.g. SINS.md, TESTING.md) and link to them one level deep, leaving SKILL.md as a concise overview.

De-duplicate the 'APIs to Avoid' table against the Steps 2-4 before/after tables so each API appears in one canonical location.

If external reference files are intentionally omitted, note that explicitly so the progressive-disclosure tradeoff is justified rather than appearing accidental.

DimensionReasoningScore

Conciseness

Assumes Claude's competence throughout — no preamble on what MSBuild or multithreading is — and every section delivers novel domain-specific guidance (the 7 sins, edge-case tables); the length reflects genuine topic complexity rather than padding, so it sits at the lean/efficient level 3 rather than the mostly-efficient level 2.

3 / 3

Actionability

Provides fully executable C# examples, before/after API tables, concrete commands ('grep for new …Task()'), and copy-paste test code using TaskEnvironment.GetAbsolutePath(), .GetCanonicalForm(), and .OriginalValue — matching the score-3 'fully executable, copy-paste ready' anchor.

3 / 3

Workflow Clarity

Sequences migration as Steps 1-4, adds a 4-Phase Red-Team Audit Protocol, and closes with an explicit Sign-Off Checklist as validation checkpoints, including batch-error handling and tests that 'must fail when the migration is undone' — clear sequence with explicit validation and feedback loops, so above the gaps-present level 2.

3 / 3

Progressive Disclosure

No bundle files exist and external links are one-level-deep and clearly signaled in a References section, but ~430 lines of detailed reference material (the 7 Sins, call-chain hazards, test patterns) live inline in SKILL.md when they could be split into separate reference files — matching the level-2 'content that should be separate is inline' rather than the well-split level 3.

2 / 3

Total

11

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12

Passed

Description

100%

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

The description is third-person, concise, and specific, naming concrete actions and the exact APIs involved while giving an explicit 'Use this when' trigger clause. It cleanly answers both what the skill does and when to invoke it with minimal risk of conflicting with other skills.

DimensionReasoningScore

Specificity

Lists multiple specific concrete actions: 'converting tasks to thread-safe versions, implementing IMultiThreadableTask, adding TaskEnvironment support, or auditing migrations for behavioral compatibility' — matching the score-3 anchor rather than the domain-and-some-actions level 2.

3 / 3

Completeness

Explicitly states what ('migrating MSBuild tasks to multithreaded mode support, including compatibility red-team review') and when via an explicit 'Use this when...' clause enumerating concrete triggers, satisfying both halves of the score-3 anchor.

3 / 3

Trigger Term Quality

Uses natural terms a user would say ('migrating MSBuild tasks', 'thread-safe versions', 'auditing migrations') alongside the exact API names (IMultiThreadableTask, TaskEnvironment) that a migration user would invoke, giving good coverage; not the jargon-only level 1.

3 / 3

Distinctiveness Conflict Risk

Occupies a clear niche (MSBuild multithreaded task migration) with distinct triggers (IMultiThreadableTask, TaskEnvironment, behavioral compatibility auditing) unlikely to fire for unrelated skills.

3 / 3

Total

12

/

12

Passed

Validation

100%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation16 / 16 Passed

Validation for skill structure

No warnings or errors.

Repository
dotnet/msbuild
Reviewed

Table of Contents

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