Agent skill

Metaplex

Metaplex development on Solana — NFTs, tokens, compressed NFTs, candy machines, token launches.

Apache-2.0Auto-check passedBusiness, Finance & HR

Install Metaplex

skills CLI

$ npx skills add elophanto/EloPhanto --skill metaplex -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI

$ gh skill install elophanto/EloPhanto metaplex --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy

$ git clone --depth 1 https://github.com/elophanto/EloPhanto.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/metaplex-nfts .claude/skills/metaplex && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Paste into Claude Code

Install the "metaplex" agent skill from https://github.com/elophanto/EloPhanto/tree/main/skills/metaplex-nfts into .claude/skills/metaplex/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "metaplex", then confirm the skill loads.

Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

$skill-installer

$skill-installer install https://github.com/elophanto/EloPhanto/tree/main/skills/metaplex-nfts

Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.

skills CLI

$ npx skills add elophanto/EloPhanto --skill metaplex -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install elophanto/EloPhanto metaplex --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/elophanto/EloPhanto.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/metaplex-nfts .agents/skills/metaplex && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "metaplex" agent skill from https://github.com/elophanto/EloPhanto/tree/main/skills/metaplex-nfts into .agents/skills/metaplex/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "metaplex", then confirm the skill loads.

Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add elophanto/EloPhanto --skill metaplex -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install elophanto/EloPhanto metaplex --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/elophanto/EloPhanto.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/metaplex-nfts .cursor/skills/metaplex && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "metaplex" agent skill from https://github.com/elophanto/EloPhanto/tree/main/skills/metaplex-nfts into .cursor/skills/metaplex/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "metaplex", then confirm the skill loads.

Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

gemini skills install

$ gemini skills install https://github.com/elophanto/EloPhanto.git --path skills/metaplex-nfts

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add elophanto/EloPhanto --skill metaplex -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install elophanto/EloPhanto metaplex --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/elophanto/EloPhanto.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/metaplex-nfts .gemini/skills/metaplex && rm -rf skills-src

Use ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.

Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/

Paste into Gemini CLI

Install the "metaplex" agent skill from https://github.com/elophanto/EloPhanto/tree/main/skills/metaplex-nfts into .gemini/skills/metaplex/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "metaplex", then confirm the skill loads.

Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

GitHub CLI

$ gh skill install elophanto/EloPhanto metaplex

Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).

skills CLI

$ npx skills add elophanto/EloPhanto --skill metaplex -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/elophanto/EloPhanto.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/metaplex-nfts .github/skills/metaplex && rm -rf skills-src

Use ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.

GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/

Paste into GitHub Copilot

Install the "metaplex" agent skill from https://github.com/elophanto/EloPhanto/tree/main/skills/metaplex-nfts into .github/skills/metaplex/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "metaplex", then confirm the skill loads.

GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add elophanto/EloPhanto --skill metaplex -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install elophanto/EloPhanto metaplex --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/elophanto/EloPhanto.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/metaplex-nfts .opencode/skills/metaplex && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "metaplex" agent skill from https://github.com/elophanto/EloPhanto/tree/main/skills/metaplex-nfts into .opencode/skills/metaplex/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "metaplex", then confirm the skill loads.

OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

Facts

Skill name: metaplex
GitHub stars: 106
Token cost: ~1.6k tokens
SKILL.md length: 599 words
Files: 14 (incl. references)
Skills in repo: 11
Repo updated: Oct 1, 2026
First seen: Oct 7, 2026
Licence: Apache-2.0

At a glance

Metaplex development on Solana — NFTs, tokens, compressed NFTs, candy machines, token launches.

Working with Token Metadata
SKILL.md covers Overview, Tool Selection, Task Router and CLI Capabilities, plus 4 more sections
Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
Tasks that involve Crypto and DeFi analysis

What it does

Metaplex is an agent skill from elophanto/EloPhanto. Metaplex development on Solana — NFTs, tokens, compressed NFTs, candy machines, token launches. Use when working with Token Metadata, Core, Bubblegum, Candy Machine, Genesis, or the mplx CLI.

Its SKILL.md is about 1.6k tokens, which your agent loads only when the skill is triggered. The skill folder holds 14 other files, including reference files (for example `references/cli-bubblegum.md`, `references/cli-candy-machine.md` and `references/cli-core.md`).

It sits in Business, Finance & HR, covering Crypto and DeFi analysis. It works with Solana. The repository describes itself as: Source-available autonomous AI agent with a self-model that actually changes as it runs - ego, affect and identity grounded in real psychology (Higgins, PAD/OCC). Writes its own… The licence is Apache-2.0.

When your agent uses it

Working with Token Metadata
Tasks that involve Crypto and DeFi analysis

Example prompts

“/metaplex”

What it can do on your machine

Read from SKILL.md and the folder at commit 7bfc65d. It shows what the files ask for, not the result of running them.

Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
Links to these hosts (documentation or services it may open):
- developers.metaplex.com
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Metaplex loads about 1.6k tokens when it runs, and up to ~36k if it reads all its reference files. Until then it costs about 50 tokens; SKILL.md has 599 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~50
When it runs · the whole SKILL.md, loaded when a task matches: ~1.6k
With references · SKILL.md plus every file in references/, read only if the agent opens them: ~36k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from elophanto/EloPhanto at commit 7bfc65d, republished under its Apache-2.0 licence (© elophanto). 599 words, ~1,617 tokens.

Download SKILL.mdSave it as .claude/skills/metaplex/SKILL.md (or your agent's skills folder). This skill also uses 13 other files; get the full folder from GitHub.

name: metaplex
description: Metaplex development on Solana — NFTs, tokens, compressed NFTs, candy machines, token launches. Use when working with Token Metadata, Core, Bubblegum, Candy Machine, Genesis, or the mplx CLI.
license: Apache-2.0
metadata.author: metaplex-foundation
metadata.version: 0.1.0

Metaplex Development Skill

Overview

Metaplex provides the standard infrastructure for NFTs and tokens on Solana:

Core: Next-gen NFT standard (recommended for new NFT projects)
Token Metadata: Fungible tokens + legacy NFTs/pNFTs
Bubblegum: Compressed NFTs (cNFTs) using Merkle trees — massive scale at minimal cost
Candy Machine: NFT drops with configurable minting rules
Genesis: Token launch protocol with fair distribution + liquidity graduation

Tool Selection

Prefer CLI over SDK for direct execution. Use SDK only when user specifically needs code.

Approach	When to Use
CLI (`mplx`)	Default choice - direct execution, no code needed
Umi SDK	User needs code — default SDK choice. Covers all programs (TM, Core, Bubblegum, Genesis)
Kit SDK	User specifically uses @solana/kit, or asks for minimal dependencies. Token Metadata only — no Core/Bubblegum/Genesis support

Task Router

IMPORTANT: You MUST read the detail file for your task BEFORE executing any command or writing any code. The command syntax, required flags, setup steps, and batching rules are ONLY in the detail files. Do NOT guess commands from memory.

Task Type	Read This File
Any CLI operation (shared setup)	`./references/cli.md`
CLI: Core NFTs/Collections	`./references/cli.md` + `./references/cli-core.md`
CLI: Token Metadata NFTs	`./references/cli.md` + `./references/cli-token-metadata.md`
CLI: Compressed NFTs (Bubblegum)	`./references/cli.md` + `./references/cli-bubblegum.md`
CLI: Candy Machine (NFT drops)	`./references/cli.md` + `./references/cli-candy-machine.md`
CLI: Token launch (Genesis)	`./references/cli.md` + `./references/cli-genesis.md`
CLI: Fungible tokens	`./references/cli.md` (toolbox section)
SDK setup (Umi)	`./references/sdk-umi.md`
SDK: Core NFTs	`./references/sdk-umi.md` + `./references/sdk-core.md`
SDK: Token Metadata	`./references/sdk-umi.md` + `./references/sdk-token-metadata.md`
SDK: Compressed NFTs (Bubblegum)	`./references/sdk-umi.md` + `./references/sdk-bubblegum.md`
SDK: Token Metadata with Kit	`./references/sdk-token-metadata-kit.md`
SDK: Token launch (Genesis)	`./references/sdk-umi.md` + `./references/sdk-genesis.md`
Account structures, PDAs, concepts	`./references/concepts.md`

CLI Capabilities

The mplx CLI can handle most Metaplex operations directly. Read ./references/cli.md for shared setup, then the program-specific file.

Task	CLI Support
Create fungible token	✅
Create Core NFT/Collection	✅
Create TM NFT/pNFT	✅
Transfer TM NFTs	✅
Transfer fungible tokens	✅
Transfer Core NFTs	❌ SDK only
Upload to Irys	✅
Candy Machine drop	✅ (setup/config/insert — minting requires SDK)
Compressed NFTs (cNFTs)	✅ (batch limit ~100, use SDK for larger)
Check SOL balance / Airdrop	✅
Query assets by owner/collection	❌ SDK only (DAS API)
Token launch (Genesis)	✅

Program IDs

Token Metadata:  metaqbxxUerdq28cj1RbAWkYQm3ybzjb6a8bt518x1s
Core:            CoREENxT6tW1HoK8ypY1SxRMZTcVPm7R94rH4PZNhX7d
Bubblegum V1:    BGUMAp9SX3uS4efGcFjPjkAQZ4cUNZhtHaMq64nrGf9D
Bubblegum V2:    BGUMAp9Gq7iTEuizy4pqaxsTyUCBK68MDfK752saRPUY
Core Candy:      CMACYFENjoBMHzapRXyo1JZkVS6EtaDDzkjMrmQLvr4J
Genesis:         GNS1S5J5AspKXgpjz6SvKL66kPaKWAhaGRhCqPRxii2B

Quick Decision Guide

NFTs: Core vs Token Metadata

Choose	When
Core	New NFT projects, lower cost (87% cheaper), plugins, royalty enforcement
Token Metadata	Existing TM collections, need editions, pNFTs for legacy compatibility

Show full SKILL.md (240 more words)Show less

Compressed NFTs (Massive Scale)

Use Bubblegum when minting thousands+ of NFTs at minimal cost. See ./references/cli-bubblegum.md (CLI) or ./references/sdk-bubblegum.md (SDK).

Fungible Tokens

Always use Token Metadata. Read ./references/cli.md (toolbox section) for CLI commands.

NFT Drops

Use Core Candy Machine. Read ./references/cli.md + ./references/cli-candy-machine.md.

Token Launches (Token Generation Event / Fair Launch / Memecoin)

Use Genesis. The Launch API (genesis launch create / createAndRegisterLaunch) is recommended — it handles everything in one step. Two launch types:

project (default): Configurable allocations, 48h deposit, team vesting support
memecoin: Simplified, 1h deposit, hardcoded fund flows — only needs name, symbol, image, and deposit start time

Read ./references/cli.md + ./references/cli-genesis.md (CLI) or ./references/sdk-genesis.md (SDK).

Verify

A real RPC/SDK call was issued (mainnet, devnet, or local validator) and the response payload is captured in the transcript, not just paraphrased
Every transaction was simulated (simulateTransaction or equivalent) before any signing/sending step; simulation logs are attached
For any signed/sent transaction, the resulting signature is recorded and confirmed on chain (status returned by getSignatureStatuses or an explorer URL)
Slippage, priority-fee, and compute-unit limits were set explicitly with concrete numeric values, not left to library defaults
Account addresses, mints, and program IDs used in the run match the documented metaplex-nfts addresses for the targeted cluster (no mainnet/devnet mix-up)
Failure path was exercised at least once (insufficient balance, stale oracle, expired blockhash, etc.) and the agent's error handling produced a human-readable message

External Resources

Documentation: https://developers.metaplex.com
Core: https://developers.metaplex.com/core
Token Metadata: https://developers.metaplex.com/token-metadata
Bubblegum: https://developers.metaplex.com/bubblegum-v2
Candy Machine: https://developers.metaplex.com/core-candy-machine
Genesis: https://developers.metaplex.com/genesis

Files

SKILL.md and 13 other files (references) in skills/metaplex-nfts of elophanto/EloPhanto.

SKILL.md
references/cli-bubblegum.md
references/cli-candy-machine.md
references/cli-core.md
references/cli-genesis.md
references/cli-token-metadata.md
references/cli.md
references/concepts.md
references/sdk-bubblegum.md
references/sdk-core.md
references/sdk-genesis.md
references/sdk-token-metadata-kit.md
references/sdk-token-metadata.md
references/sdk-umi.md

Open the folder on GitHubat commit 7bfc65d

Compare with similar skills

Metaplex next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

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Questions about Metaplex

What does Metaplex do?

Metaplex development on Solana — NFTs, tokens, compressed NFTs, candy machines, token launches. Metaplex is an agent skill from elophanto/EloPhanto. Metaplex development on Solana — NFTs, tokens, compressed NFTs, candy machines, token launches.

When should I use Metaplex?

Metaplex fits situations like: working with Token Metadata; tasks that involve Crypto and DeFi analysis.

How do I install Metaplex in Claude Code?

Run `npx skills add elophanto/EloPhanto --skill metaplex -a claude-code`. Or copy the skill folder (skills/metaplex-nfts in elophanto/EloPhanto) into .claude/skills/metaplex in your project. Claude Code loads it when a task matches its description.

How do I install Metaplex in Codex?

Run `npx skills add elophanto/EloPhanto --skill metaplex -a codex`. Or copy the skill folder (skills/metaplex-nfts in elophanto/EloPhanto) into .agents/skills/metaplex in your project. Codex loads it when a task matches its description.

Can I use Metaplex in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add elophanto/EloPhanto --skill metaplex -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/metaplex, .gemini/skills/metaplex, .github/skills/metaplex and .opencode/skills/metaplex in your project.

What does Metaplex need to run?

SKILL.md names no scripts, command-line tools or credentials: Metaplex is instructions for the agent only.

Does Metaplex access the network?

SKILL.md names 1 domain. As links in the text: developers.metaplex.com. This is read from the text; nothing was executed.

Is Metaplex safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Metaplex use?

Metaplex is published under the Apache-2.0 licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Metaplex use?

About 1.6k tokens (SKILL.md is roughly 6.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 34k tokens, read only when the agent opens those files.

What are the alternatives to Metaplex?

Skills that share tags, products or a category with Metaplex: Swapper Deposit (swapperfinance/swapper-toolkit, 852 stars), Solana Skill (npc-live/clawfirm, 156 stars), Trading Signal (binance/binance-skills-hub, 1.1k stars) and Squads (internet-court/internet-court-skill, 6.6k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Metaplex?

elophanto (a GitHub user) maintains it in elophanto/EloPhanto, which has 106 GitHub stars. The repository holds 11 skills in this directory. The repository was last updated on October 1, 2026.

Source: elophanto/EloPhanto on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Install Metaplex

Facts

At a glance

What it does

When your agent uses it

Example prompts

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Metaplex Development Skill

Overview

Tool Selection

Task Router

CLI Capabilities

Program IDs

Quick Decision Guide

NFTs: Core vs Token Metadata

Compressed NFTs (Massive Scale)

Fungible Tokens

NFT Drops

Token Launches (Token Generation Event / Fair Launch / Memecoin)

Verify

External Resources

Files

Compare with similar skills

Similar skills

More from elophanto/EloPhanto

Related

Questions about Metaplex