How do I install the Anchor skill?

Run npx skillmds@latest add hairyf/anchor in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Anchor safe to use?

This skill has not completed SkillMD's automated safety review yet. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. Capability flags: docs only. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Anchor?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Anchor free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Anchor?

hairyf (@hairyf) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Anchor by hairyf — Agent Skill

Name: Anchor
Rating: 4.666666666666667 (3 reviews)
Author: hairyf

File contents

Skill is based on Anchor v0.32.1, generated 2026-02-09.

Concise reference for building Solana programs with Anchor: macros, accounts, PDAs, CPI, IDL, custom errors, events, zero-copy, constraints, account types, and CLI.

Core References

Topic	Description	Reference
Program Structure	declare_id, #[program], #[derive(Accounts)], #[account], Context	core-program-structure
PDA	seeds, bump, init, IDL/client resolution, PDA signer	core-pda
CPI	CpiContext, transfer, PDA signer, invoke/invoke_signed	core-cpi
IDL	Instructions, accounts, discriminators, client usage	core-idl

Features

Topic	Description	Reference
Custom Errors	error_code, err!, require! macros, client handling	features-errors
Events	emit!, emit_cpi!, #[event], addEventListener, event-cpi	features-events
Zero-Copy	AccountLoader, #[account(zero_copy)], load/load_mut/load_init	features-zero-copy

References

Topic	Description	Reference
Account Constraints	signer, mut, init, seeds/bump, has_one, address, owner	references-account-constraints
Account Types	Account, Signer, Program, AccountLoader, Interface types	references-account-types
CLI	build, deploy, test, idl, keys, account, expand, upgrade, verify	references-cli

---name: anchordescription: Anchor framework for Solana programs — program structure, PDAs, CPI, IDL, errors, events, zero-copy, constraints, account types, and CLI for agent-driven tooling.metadata: author: hairy version: "2026.2.9" source: Generated from https://github.com/coral-xyz/anchor, scripts located at https://github.com/antfu/skills---> Skill is based on Anchor v0.32.1, generated 2026-02-09.Concise reference for building Solana programs with Anchor: macros, accounts, PDAs, CPI, IDL, custom errors, events, zero-copy, constraints, account types, and CLI.## Core References| Topic | Description | Reference ||-------|-------------|-----------|| Program Structure | declare_id, #[program], #[derive(Accounts)], #[account], Context | [core-program-structure](references/core-program-structure.md) || PDA | seeds, bump, init, IDL/client resolution, PDA signer | [core-pda](references/core-pda.md) || CPI | CpiContext, transfer, PDA signer, invoke/invoke_signed | [core-cpi](references/core-cpi.md) || IDL | Instructions, accounts, discriminators, client usage | [core-idl](references/core-idl.md) |## Features| Topic | Description | Reference ||-------|-------------|-----------|| Custom Errors | error_code, err!, require! macros, client handling | [features-errors](references/features-errors.md) || Events | emit!, emit_cpi!, #[event], addEventListener, event-cpi | [features-events](references/features-events.md) || Zero-Copy | AccountLoader, #[account(zero_copy)], load/load_mut/load_init | [features-zero-copy](references/features-zero-copy.md) |## References| Topic | Description | Reference ||-------|-------------|-----------|| Account Constraints | signer, mut, init, seeds/bump, has_one, address, owner | [references-account-constraints](references/references-account-constraints.md) || Account Types | Account, Signer, Program, AccountLoader, Interface types | [references-account-types](references/references-account-types.md) || CLI | build, deploy, test, idl, keys, account, expand, upgrade, verify | [references-cli](references/references-cli.md) |

Frequently asked questions

Anchor