microsoft

1,780 mods in 44 plugins, 141 repositories, 1269k stars between them.

microsoft/Agent365-devTools

Instructions file GitHub Copilot ✓ vendor

Instructions for microsoft/Agent365-devTools, covering github copilot instructions for agent365-devtools, agent365 cli development guidelines, engineering principles, code organization and file organization guidelines.

not rated 61 7d ago A 3,398 tokens original MIT

microsoft/Agent365-devTools

Instructions file ✓ vendor

Instructions for microsoft/Agent365-devTools, covering claude.md, project overview, build commands, install cli locally (from repo root) and manual build and install.

not rated 61 7d ago A 2,400 tokens original MIT

Git Commit

771

microsoft/a11y-llm-eval

Agent ✓ vendor

Use when creating git commits, staging reviewed changes, writing commit messages, or finalizing work in git. Enforces feat/fix/chore commit subjects.

not rated 59 3mo ago A 34 tokens original MIT

microsoft/a11y-llm-eval

Instructions file GitHub Copilot ✓ vendor

Instructions for microsoft/a11y-llm-eval, covering copilot instructions for this repository, non-negotiable: backwards compatibility contract, when making changes, documentation hygiene and git workflow.

not rated 59 3mo ago A 533 tokens original MIT

microsoft/a11y-llm-eval

Skill Claude CodeCodex ✓ vendor

MUST BE USED for any UI work. Invoke this skill before generating, modifying, or reviewing any code that renders, styles, or wires up a user-facing interface — including markup, components, templates, styles, and the JavaScript/TypeScript that drives them. This skill encodes the accessibility (WCAG 2.2 AA)…

not rated 59 3mo ago A 112 tokens original MIT

dataverse-sdk-dev

774

microsoft/PowerPlatform-DataverseClient-Python

Skill Claude CodeCodex ✓ vendor

Development guidance for contributing to the PowerPlatform Dataverse Client Python SDK repository. Use when working on SDK development tasks like adding features, fixing bugs, or writing tests.

not rated 59 3mo ago A 38 tokens original MIT

dataverse-sdk-use

775

microsoft/PowerPlatform-DataverseClient-Python

Skill Claude CodeCodex ✓ vendor

Guidance for using the PowerPlatform Dataverse Client Python SDK. Use when calling the SDK like creating CRUD operations, SQL queries, table metadata management, relationships, and upload files.

not rated 59 3mo ago A 41 tokens original MIT

microsoft/accordant

Skill Claude CodeCodex ✓ vendor

How to model background work, step functions, and polling - use this skill when testing async workflows, job queues, or operations that complete in the background.

not rated 58 15d ago A 37 tokens original MIT

accordant-concurrency

777

microsoft/accordant

Skill Claude CodeCodex ✓ vendor

How to test for race conditions using concurrent tests and linearizability - use this skill when testing concurrent operations or finding race condition bugs.

not rated 58 15d ago A 31 tokens original MIT

microsoft/accordant

Skill Claude CodeCodex ✓ vendor

Testing systems not written in .NET - trace-based conformance testing, JSON test plan export, and executing from any language. Use when the user's system is in Python, Go, Java, Rust, C++, or any non-.NET language, or when they ask about trace validation or exporting test cases.

not rated 58 15d ago A 66 tokens original MIT

accordant-operations

779

microsoft/accordant

Skill Claude CodeCodex ✓ vendor

How to define operations with Apply and Execute methods - use this skill when creating spec operations or understanding the Apply/Execute pattern.

not rated 58 15d ago A 29 tokens original MIT

accordant-overview

780

microsoft/accordant

Skill Claude CodeCodex ✓ vendor

What Accordant is, when to use model-based testing, and core concepts - use this skill when starting with Accordant or explaining its purpose.

not rated 58 15d ago A 33 tokens original MIT

accordant-patterns

781

microsoft/accordant

Skill Claude CodeCodex ✓ vendor

Common patterns in Accordant - response-dependent state, request derivations, error handling, and HTTP integration.

not rated 58 15d ago A 25 tokens original MIT

accordant-quickref

782

microsoft/accordant

Skill Claude CodeCodex ✓ vendor

Quick reference and cheatsheet for Accordant API - use this skill for quick syntax lookup or code snippets.

not rated 58 15d ago A 26 tokens original MIT

accordant-state

783

microsoft/accordant

Skill Claude CodeCodex ✓ vendor

How to design state models in Accordant - use this skill when defining what your system tracks between operations.

not rated 58 15d ago A 24 tokens original MIT

microsoft/accordant

Skill Claude CodeCodex ✓ vendor

How Accordant generates and runs tests - use this skill when configuring test generation, understanding state graphs, or running tests.

not rated 58 15d ago A 28 tokens original MIT

microsoft/accordant

Skill Claude CodeCodex ✓ vendor

Common mistakes and debugging tips for Accordant specs - use this skill when tests fail unexpectedly or specs don't behave as expected.

not rated 58 15d ago A 29 tokens original MIT

microsoft/BC-Bench

Instructions file GitHub Copilot ✓ vendor

Instructions for microsoft/BC-Bench, covering repository: microsoft/bc-bench, key context, categories, coding patterns and guidelines and architecture design conventions.

not rated 56 5d ago A 879 tokens original MIT

create-release

787

microsoft/BC-Bench

Skill Claude CodeCodex ✓ vendor

Prepare BC-Bench release notes for review. Use when creating a release, screening merged PRs since the previous version tag for changes that may affect evaluation results, matching recent GitHub release notes, or reporting the agent harness and development tool versions shipped by a release.

not rated 56 5d ago A 56 tokens original MIT

update-agent-harness

788

microsoft/BC-Bench

Skill Claude CodeCodex ✓ vendor

Update an agent harness used by BC-Bench. Use when bumping GitHub Copilot CLI or Claude Code, reviewing intervening release notes and breaking changes, curating benchmark-worthy model choices, updating the BC-Bench version, or preparing the release handoff.

not rated 56 5d ago A 58 tokens original MIT

ALTest

789

microsoft/BC-Bench

Agent ✓ vendor

Instructions for creating AL tests.

not rated 56 5d ago A 9 tokens original MIT

al-test-generation

790

microsoft/BC-Bench

Skill Claude CodeCodex ✓ vendor

Guide for creating AL tests for Microsoft Dynamics 365 Business Central. Use this when asked to write, create, or generate AL test codeunits, test procedures, or test automation for Business Central.

not rated 56 5d ago A 43 tokens original MIT

microsoft/BC-Bench

Agent ✓ vendor

Analyzes a complete Business Central extensibility scenario in one offline pass. Classifies the request, checks blockers, existing extensibility points and alternatives against local AL source, then writes a structured feasibility decision and issue draft. Never asks questions, edits AL, or submits a GitHub issue.

not rated 56 5d ago A 64 tokens original MIT

microsoft/BC-Bench

Agent ✓ vendor

Implements a single Business Central extensibility request end to end by running the repository's extensibility-request-implement skill — reading the request text, applying a guideline-aligned AL code change on the W1 base layer, and propagating it to same-named country/region layer files. The request is provided as…

not rated 56 5d ago A 129 tokens original MIT

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: