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Copilot instructions examples

How real projects brief GitHub Copilot, from .github/copilot-instructions.md.

Best matchesWorked for most · soon
affaan-mCopilot instructions

ECC

affaan-m/ECC/.github/copilot-instructions.md

test before the implementation; target 80%+ coverage. 4. **Review before committing** — check for security issues, code quality, and regressions. 5. **Conventional commits** — `feat`, `fix`, `refactor`, `docs`, `test`, `chore`, `perf

246k30d agoDiscuss
DietrichGebertCopilot instructions

ponytail

DietrichGebert/ponytail/.github/copilot-instructions.md

efficiency), input validation at trust boundaries, error handling that prevents data loss, security, accessibility, the calibration real hardware needs (the platform is never the spec ideal, a clock drifts

143k4mo agoDiscuss
MicrosoftCopilot instructions

PowerToys

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

PowerToys AI contributor guidance

139k8mo agoDiscuss
SupabaseCopilot instructions

supabase

supabase/supabase/.github/copilot-instructions.md

Threshold Only comment when you are **>85% confident** the issue is a real bug, security vulnerability, or logic error. If you are unsure, do not comment. Silence is better than

111k8d agoDiscuss
MicrosoftCopilot instructions

playwright

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

Guidelines When reviewing pull requests: - Only comment on semantically meaningful issues: bugs, incorrect logic, security problems, or API contract violations. - Skip style, formatting, naming, and whitespace observations unless they cause

97k20d agoDiscuss
headroomlabs-aiCopilot instructions

headroom

headroomlabs-ai/headroom/.github/copilot-instructions.md

text should be called out. 4. For user-facing, release, dependency, workflow, or security-sensitive changes, prefer blocking feedback over optional suggestions. 5. Focus on correctness, safety, and whether

74k28d agoDiscuss
aaif-gooseCopilot instructions

goose

aaif-goose/goose/.github/copilot-instructions.md

confusing" - stay silent unless HIGH confidence it will cause problems ## Priority Areas (Review These) ### Security & Safety - Unsafe code blocks without justification - Command injection risks (shell commands, user input) - Path traversal

55k6mo agoDiscuss
amruthpillaiCopilot instructions

reactive-resume

amruthpillai/reactive-resume/.github/copilot-instructions.md

full|wenyan-ultra Stop: "stop caveman" or "normal mode" Auto-Clarity: drop caveman for security warnings, irreversible actions, user confused. Resume after. Boundaries: code/commits/PRs written normal

43k19d agoDiscuss
ToolJetCopilot instructions

ToolJet

ToolJet/ToolJet/.github/copilot-instructions.md

Lucide React (`lucide-react`). Do NOT add new icon packages. - Static assets: `frontend/assets/images/`. ## Security - No API keys/secrets in client-side code. - Backend: parameterized queries only, never concatenate user input into

41k34d agoDiscuss
mukul975Copilot instructions

Anthropic-Cybersecurity-Skills

mukul975/Anthropic-Cybersecurity-Skills/.github/copilot-instructions.md

Facts - **Type**: Open-source cybersecurity skills library + framework mapping hub - **Skills**: 817 across 29 security domains - **Frameworks**: 6 (MITRE ATT&CK v14, NIST CSF 2.0, MITRE ATLAS, MITRE D3FEND, NIST

32k7mo agoDiscuss
MongoDBCopilot instructions

mongo

mongodb/mongo/.github/copilot-instructions.md

Copilot instructions for this repository ## Flag likely CVE / security-vulnerability fixes Commits on `master` are automatically synced to the public `mongodb/mongo` repository. A security fix that lands on `master` before

29k5mo agoDiscuss
gastownhallCopilot instructions

beads

gastownhall/beads/.github/copilot-instructions.md

when creating issues. Issues without descriptions lack context for future work. ### Priorities - `0` - Critical (security, data loss, broken builds) - `1` - High (major features, important bugs) - `2` - Medium (default, nice

27k6mo agoDiscuss
open-metadataCopilot instructions

OpenMetadata

open-metadata/OpenMetadata/.github/copilot-instructions.md

between builds when possible - **Yarn Cache**: Dependencies are cached globally to speed up installs ## Security Notes - Never commit secrets to source code - Use environment variables for configuration - Default admin token

15k29d agoDiscuss
InsForgeCopilot instructions

InsForge

InsForge/InsForge/.github/copilot-instructions.md

integration tests for API endpoints - Maintain test coverage above 70% - Mock external dependencies appropriately ## Security Considerations - Never commit secrets or API keys - Use environment variables for configuration - Implement proper authentication

13k3mo agoDiscuss
MicrosoftCopilot instructions

GSL

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

system (3.14+) - Google Test for unit testing - Support for multiple compilers (MSVC, GCC, Clang) ## Security Considerations - Bounds checking is a core principle - enforce it consistently - Design for safety while minimizing

6.7k42d agoDiscuss
MicrosoftCopilot instructions

agent-governance-toolkit

microsoft/agent-governance-toolkit/.github/copilot-instructions.md

packages or modules that change the repo structure - Cross-cutting changes spanning 3+ packages - Security model changes (identity, trust, policy engine) - Breaking API changes to public interfaces - New framework integrations

6.4k12d agoDiscuss
MicrosoftCopilot instructions

azurelinux

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

keeps maintenance overhead low and makes it easier to pull in new versions and security updates from upstream. While AZL derives from Fedora, it is also an enterprise focused distro

5.3k28d agoDiscuss
vitali87Copilot instructions

code-graph-rag

vitali87/code-graph-rag/.github/copilot-instructions.md

pull requests: - Only leave comments for critical, major, or high-severity issues: logic bugs, security vulnerabilities, data loss or corruption, race conditions, and breaking API changes. - Do NOT comment

5.2k10d agoDiscuss
MicrosoftCopilot instructions

PyRIT

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

PyRIT (Python Risk Identification Tool for generative AI) is an open-source framework for security professionals to proactively identify risks in generative AI systems. ## Architecture PyRIT uses a modular pluggable

4.6k57d agoDiscuss
Model Context ProtocolCopilot instructions

csharp-sdk

modelcontextprotocol/csharp-sdk/.github/copilot-instructions.md

package directories - Use `///` XML comments for all public APIs - Include ` ` sections for detailed explanations ## Security - Never commit secrets or API keys - Use environment variables for sensitive configuration - Support authentication mechanisms

4.5k56d agoDiscuss
CLAUDE.md vs AGENTS.md

About Copilot instructions

What is copilot-instructions.md?

Repository-wide instructions for GitHub Copilot, kept in .github/copilot-instructions.md.

What should it contain?

How to build and test, the project's structure, and the conventions Copilot should follow in suggestions and reviews.

Does it replace AGENTS.md?

No. Copilot's coding agent also reads AGENTS.md, so many projects keep the shared rules there.

Which ones worked?

Open a file to see its discussion. Reports from people and their agents are coming.