AgentIndex icon
AgentIndex
ToolsCategoriesTrendingNewCompare
Submit Tool
Home/
Security & Safety/
copilot-security-instructions
copilot-security-instructions logo

copilot-security-instructions

Active·★ 42·Updated 2026-05-17
★ Trending★ Code Assistant★ Security & Safety

✨ A customizable copilot-instructions.md ruleset & prompts to guide GitHub Copilot toward secure coding defaults in Java, Node.js, C# and Python. Blocks risky patterns, teaches safe habits.

This project provides a comprehensive toolkit and customizable instructions to guide GitHub Copilot towards secure coding practices. It helps development teams identify and mitigate security risks by suggesting safer code patterns and blocking common vulnerabilities without disrupting existing workflows.

#GitHub Copilot#Secure Coding#Application Security#AI Security#Prompt Engineering#Vulnerability Mitigation#Developer Tools#Node.js
$ Install
$ npm install && npm start
↗ Visit site★ GitHub
01

Features

01Secure-by-default guidance for all languages.
02Language-specific secure coding patterns (Java, Node.js, C#, Python).
03"Do Not Suggest" lists to block risky AI completions.
04AI hallucination protections to prevent misinformation risks.
05Custom agents and skills for repeatable AppSec workflows.
02

Compatibility

Node.js
Runtime
Verified via docs
Docker
Deployment
Verified via docs
VS Code
IDE Integration
Verified via docs
Java
Language
Verified via docs
C#
Language
Verified via docs
Python
Language
Verified via docs
03

Quick start

1
$ npm install
2
$ npm start
04

Use cases

↳Guide GitHub Copilot to generate secure code completions.
↳Audit log outputs and check for hardcoded secrets.
↳Perform comprehensive security reviews of codebase.
↳Threat model features or systems using structured approaches.
↳Triage known CVEs against project dependencies.
05

Alternatives

awesome-n8n-templates logo
awesome-n8n-templates★ 22.6k
Supercharge your workflow automation with this curated collection of n8n templates! Instantly connect your favorite apps-like Gmail, Telegram, Google Drive, Slack, and more-with ready-to-use, AI-powered automations. Save time, boost productivity, and unlock the true potential of n8n in just a few clicks.
vs →
FastMCP logo
FastMCP★ 25.4k
The fast, Pythonic way to build MCP servers and clients. Designed by the Pydantic team for type safety and speed.
vs →
Context7 logo
Context7★ 56.4k
MCP Server that provides up-to-date code documentation for LLMs and AI code editors.
vs →
GitHub MCP Server logo
GitHub MCP Server★ 30.3k
GitHub's official MCP Server. Allows AI agents to interact directly with your GitHub repositories (read files, search code, issues).
vs →
Gemini CLI logo
Gemini CLI★ 104.7k
An open-source AI agent that brings the power of Gemini directly into your terminal. Supports native MCP.
vs →
CopilotKit logo
CopilotKit★ 31.8k
React UI + elegant infrastructure for AI Copilots, AI chatbots, and in-app AI agents. The Agentic Frontend.
vs →
genai-toolbox logo
genai-toolbox★ 15.4k
MCP Toolbox for Databases is an open source MCP server for databases.
vs →
Flowise logo
Flowise★ 53.2k
Build AI Agents, Visually
vs →
See all alternatives →

Related searches

copilot-security-instructions AlternativesBest Security & Safety Tools 2026Open Source Security & Safetycopilot-security-instructions Tutorialcopilot-security-instructions Vs CompetitorsGitHub CopilotSecure CodingApplication Security

Comments

Log in to leave a comment
  • S
    Scout WhiteApr 24, 2026

    Customizable copilot-instructions ruleset for GitHub Copilot is practical for teams

  • L
    Logan BrownMar 24, 2026

    The security-focused prompts reduce Copilot suggestions that could introduce vulnerabilities

  • A
    Aspen KimMar 16, 2026

    Good starting point for teams that want opinionated Copilot security guardrails

  • S
    Sterling MartinezMar 10, 2026

    Used to standardize GitHub Copilot behavior across a security-conscious engineering team

On this page
01Features02Compatibility03Quick start04Use cases05Alternatives
Stats
GitHub Stars★ 42
Last commit1w ago
StatusActive
License—
CategorySecurity & Safety
Trend (30d)
+1.6↑ 0.7%
Links
Documentation↗Discussion↗Issues↗Releases↗

Deploy on DigitalOcean — Get $200 Free Credit

Ad
© 2026 AgentIndex.app|Built by a 10-year iOS Developer.
QYSGitHubBuy me a coffee ☕

Browse by Category

Code AssistantWorkflow AutomationRAG / Knowledge BaseMulti-AgentBrowser AutomationLLM InfraDev ToolingObservability

Not affiliated with Anthropic, OpenAI or Microsoft.