solana-anchor

name	solana-anchor
description	Agent-oriented skills for the Anchor framework—Solana program structure, accounts, CPI, IDL, clients, and tooling.
metadata	{"author":"Hairy","version":"2026.2.25","source":"Generated from https://github.com/solana-foundation/anchor, scripts located at https://github.com/antfu/skills"}

Skill based on Anchor (Solana program framework), generated from sources/solana-anchor/docs/ at 2026-02-25.

Anchor is a Solana program framework: Rust eDSL with macros (declare_id, #[program], #[derive(Accounts)], #[account]), IDL generation, TypeScript/Rust clients, and CLI for build, test, and deploy. Use this skill when implementing or reviewing Anchor programs, CPIs, account validation, and client integration.

Core References

Topic	Description	Reference
Program Structure	declare_id, #[program], #[derive(Accounts)], #[account], Context, discriminators	core-program-structure
CPI	Cross-program invocation, CpiContext, PDA signers, invoke/invoke_signed	core-cpi
IDL	Interface Description Language, instructions/accounts/discriminators, client use	core-idl
PDA	Program Derived Addresses, seeds, bump, seeds::program, init, IDL resolution	core-pda
Workspace	init, new, program layout, build/test/deploy flow	core-workspace
Realloc	Resize accounts, realloc::payer, realloc::zero	core-realloc
Close Account	close = target, rent reclamation	core-close-account
Remaining Accounts	ctx.remaining_accounts, variadic instructions, CPI	core-remaining-accounts

References (Program & Config)

Topic	Description	Reference
Account Types	Account, Signer, Program, AccountLoader, UncheckedAccount, etc.	references-account-types
Account Constraints	init, mut, seeds/bump, has_one, close, realloc, SPL, #[instruction]	references-account-constraints
Anchor.toml	provider, scripts, workspace, programs, test, toolchain, hooks	references-anchor-toml
CLI	build, deploy, test, idl, keys, migrate, upgrade, verify	references-cli
Space	Account size calculation, InitSpace, type sizes	references-space
Type Conversion	Rust ↔ TypeScript type mapping for IDL/client	references-type-conversion

Features

Topic	Description	Reference
Events	emit!, emit_cpi!, addEventListener, decoding	features-events
Errors	#[error_code], err!, require! and variants	features-errors
Zero-Copy	AccountLoader, load_init/load_mut/load, init vs zero	features-zero-copy
declare_program!	IDL-based CPI and Rust client generation	features-declare-program
Tokens (SPL)	anchor-spl, mints, token accounts, ATAs, Token 2022, InterfaceAccount	features-tokens
Token 2022 Extensions	ExtensionType, tlv_data, extension lifecycle, anchor-spl token_2022_extensions	features-token-extensions
Example Programs	Curated program-examples repo—Basics, Tokens, Token 2022—when to use each	features-examples
Testing	Mollusk (Rust instruction harness), LiteSVM (Rust/TS/Python VM)	features-testing
Upgrade and Migrate	anchor upgrade, migrate script, upgrade authority	features-upgrade-migrate

Clients

Topic	Description	Reference
TypeScript	Program, methods, accounts, signers, rpc/transaction/instruction, fetch	clients-typescript
Rust	anchor-client, declare_program!, request/instructions/send, account fetch	clients-rust

Best Practices

Topic	Description	Reference
Security	Sealevel attacks, constraints, UncheckedAccount usage	best-practices-security
Constraints and Validation	When to use which constraints, avoid UncheckedAccount pitfalls	best-practices-constraints

Advanced

Topic	Description	Reference
Verifiable Builds	anchor build --verifiable, verify, Docker	advanced-verifiable-builds
AVM	Anchor Version Manager, install, use, list	advanced-avm