Copilot instructions examples

MicrosoftCopilot instructions

DirectXTK

microsoft/DirectXTK/.github/copilot-instructions.md

marked `noexcept`, use `std::nothrow` for memory allocation, and should not throw exceptions. - **Testing**: Unit tests for this project are implemented in this repository [Test Suite](https://github.com/walbourn/directxtktest/)

dataplatCopilot instructions

dbatools

dataplat/dbatools/.github/copilot-instructions.md

administration and database development. It enables DBAs to migrate SQL Server instances in minutes, test hundreds of backups automatically, and manage 100+ SQL instances from a single console. The project

AutomatticCopilot instructions

pocket-casts-android

Automattic/pocket-casts-android/.github/copilot-instructions.md

Images requiring transparency that are very small - Third-party assets that cannot be modified ## Testing - Write unit tests for ViewModels and business logic - Use `MainCoroutineRule` for coroutine testing - Use **Turbine

MicrosoftDeletes or force-pushesCopilot instructions

pg_durable

microsoft/pg_durable/.github/copilot-instructions.md

happens here) | | [src/types.rs](../src/types.rs) | Core types: `Durofut`, `FunctionGraph`, `FunctionNode` | | [tests/e2e/sql/](../tests/e2e/sql/) | SQL-based E2E tests (numbered, run sequentially) | | [sql/pg_durable--0.1.1.sql](../sql/pg_durable--0.1.1.sql) | First version install SQL fixture (for upgrade testing) | ## Development Commands

homebridgeCopilot instructions

homebridge-config-ui-x

homebridge/homebridge-config-ui-x/.github/copilot-instructions.md

descriptive names like `copilot/fix-XXXX` or `feature/description` This ensures all changes go through the beta testing process before being merged to production releases. ## Working Effectively - Bootstrap, build, and test the repository

SRombautsCopilot instructions

SQLiteCpp

SRombauts/SQLiteCpp/.github/copilot-instructions.md

Database`/`Statement`/`Column` per thread. - Public API must have Doxygen: `@brief`, `@param`, `@return`, `@throw`. - Tests required for new functionality in `tests/`. - Portability: Windows, Linux, macOS. - Style: ASCII only, 4 spaces

tkemCopilot instructions

cachetools

tkem/cachetools/.github/copilot-instructions.md

bump `__version__`**; both are release-only. - **Pickling caches is unsupported.** It happens to work (`test_pickle*`), but the format may change in any release. Do not document, advertise or build

MicrosoftCopilot instructions

clarity

microsoft/clarity/.github/copilot-instructions.md

Every byte matters. ## Build & Development Commands ### Installation **ALWAYS run `yarn install` before building or testing.** (~25s, peer dependency warnings are normal) ### Building ```bash yarn build # All packages (~45s, Lerna parallel

nobiyouCopilot instructions

wx_channel

nobiyou/wx_channel/.github/copilot-instructions.md

downloads | | `config.yaml.example` | Configuration schema | Reference | | `web/` | Frontend source (Vue/HTML) | When fixing UI issues | ## Build & Testing ### Building ```powershell # Standard build (Windows amd64) go build -o wx_channel.exe # With version info go build

brndnmtthwsCopilot instructions

thetagang

brndnmtthws/thetagang/.github/copilot-instructions.md

quantity calculations, margin usage behavior, strike limits, DTE filters, or rolling/closing criteria without clear tests. - Flag changes that remove or weaken guardrails around `trading_is_allowed`, buy-only/sell-only thresholds

golevelupCopilot instructions

nestjs

golevelup/nestjs/.github/copilot-instructions.md

integration | | `@golevelup/nestjs-graphile-worker` | `packages/graphile-worker` | Graphile Worker job queue integration | | `@golevelup/ts-jest` | `packages/testing/ts-jest` | Jest utilities for NestJS testing | | `@golevelup/ts-sinon` | `packages/testing/ts-sinon` | Sinon utilities for NestJS testing | | `@golevelup/ts-vitest` | `packages/testing/ts-vitest` | Vitest utilities for NestJS testing | ## Tech

No other project uses it yet

habitat-shCopilot instructions

habitat

habitat-sh/habitat/.github/copilot-instructions.md

Repository Structure ``` habitat/ ├── .expeditor/ # Build and release automation scripts │ ├── config.yml # Expeditor configuration │ └── scripts/ # Build, test, and release scripts ├── .github/ # GitHub workflows and templates ├── components/ # Main Habitat components │ ├── builder-api-client

unpollerCopilot instructions

unpoller

unpoller/unpoller/.github/copilot-instructions.md

JSON, YAML, env vars - Always check and return errors - Use `context.Context` for cancellable operations - Tests in `_test` packages - Use `github.com/stretchr/testify` for assertions ## When Writing Code 1. Follow existing plugin

No other project uses it yet

kokkosCopilot instructions

kokkos

kokkos/kokkos/.github/copilot-instructions.md

DKokkos_ENABLE_SERIAL=ON .. cmake --build . --parallel $(nproc) # ~20s minimal, 3-10min with tests ctest --output-on-failure ``` **In-source builds FORBIDDEN** - CMake errors immediately. ### Key Options **Backends

dvorkaCopilot instructions

mindforger

dvorka/mindforger/.github/copilot-instructions.md

duplicate code; create reusable classes, functions and methods; do not repeat yourself. - Always add tests alongside code changes. ## Functional architecture instructions - Contribute to this repository which is the thinking notebook

nteractCopilot instructions

semiotic

nteract/semiotic/.github/copilot-instructions.md

does not expose. - Keep public APIs, types, chart specs, schemas, generated documentation, and focused tests synchronized. - Do not hand-edit build output or generated marker sections. Run the owning generator

CommunityToolkitCopilot instructions

Maui

CommunityToolkit/Maui/.github/copilot-instructions.md

Copilot to assist with code completion, documentation, and generating boilerplate code. * Always review and test the code suggested by GitHub Copilot to ensure it meets the project's standards

NetflixCopilot instructions

bpftop

Netflix/bpftop/.github/copilot-instructions.md

takes ~30 seconds cargo build # Build release binary - takes ~45 seconds cargo build --release ``` ### Testing ```bash # Run all tests - takes ~30 seconds. NEVER CANCEL. cargo test ``` ### Code Quality ```bash

pjsipCopilot instructions

pjproject

pjsip/pjproject/.github/copilot-instructions.md

Open-source multimedia communication library in C (SIP, SDP, RTP, STUN, TURN, ICE). ## Build & Test - **Build**: `./configure && make -j3` (timeout 120s+, NEVER CANCEL) - **`make dep` is not needed** — with GCC/Clang

No other project uses it yet

rust-crossCopilot instructions

cargo-zigbuild

rust-cross/cargo-zigbuild/.github/copilot-instructions.md

compilation logic - `build.rs`, `check.rs`, `clippy.rs`, `doc.rs`, `install.rs`, `run.rs`, `rustc.rs`, `test.rs` - Command implementations - `/tests` - Integration test projects (used for testing cross-compilation scenarios) - `/.github/workflows` - GitHub Actions CI/CD workflows - `CI.yml` - Main

No other project uses it yet