anchor-core

Provide reusable patterns for building secure Solana programs with Anchor.

1|Updated Feb 4, 2026
One-click install
npx skills add https://github.com/faremeter/flex --skill anchor-core
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: anchor-core
Source: https://github.com/faremeter/flex/tree/main/skills/anchor-core
Command: npx skills add https://github.com/faremeter/flex --skill anchor-core

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Core Anchor programming patterns for building secure Solana programs, including program structure, account types, constraints, space calculation, and error handling. It is designed to be loaded whenever you write or review Anchor code to ensure consistency and safety.

Core Features & Use Cases

  • Program structure and organization patterns for modular, readable Solana programs.
  • Common account types, constraints, and error-handling templates that reduce boilerplate.
  • Space calculation guidance with examples to prevent account overflows and ensure safe initialization.
  • Safety checks and best practices to prevent common security pitfalls in Anchor programs.

Quick Start

Load this skill when starting a new Anchor project to follow standard program structure, account types, and error handling patterns.

Frequently Asked Questions about anchor-core

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I structure a secure Solana program using Anchor?

Secure Solana programs using Anchor require consistent program structure, modular organization, and standardized account types. Reusable patterns enforce safety checks and error handling templates to prevent common security pitfalls during program development.

How do I calculate space for Anchor account types to prevent overflows?

Space calculation for Anchor account types requires specific guidance and examples to prevent account overflows. Applying safe initialization patterns ensures correct space allocation for variables and data structures within Solana programs.

What are the best Anchor constraints for securing Solana accounts?

The best Anchor constraints for securing Solana accounts involve applying common account type templates and safety checks. These constraints reduce boilerplate while enforcing robust error handling and preventing unauthorized account access.

When do I need to load Anchor patterns for my Solana project?

You need to load Anchor patterns when starting a new Solana project or reviewing existing Anchor code. This ensures consistent program structure, accurate space calculation, and adherence to safety checks throughout the development workflow.

Why does my Anchor program fail security checks despite using constraints?

Anchor programs may fail security checks if they lack consistent error handling or proper space calculation. Reviewing the code against standardized safety patterns ensures account constraints and initialization logic prevent common vulnerabilities.