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asdf Version Manager Helper

A skill that guides asdf (asdf-vm) installation, plugin management, .tool-versions workflows, and shim troubleshooting.

Dev & CodingIntermediate★ 133⑂ 17AI score 9/10Last updated: Apr 20, 2026

What it does

  • Walks through installing asdf and wiring up shell integration for Bash, Zsh, and Fish (including completions).
  • Collects the essential commands: asdf plugin add, asdf install, asdf set (the modern replacement for local/global since v0.15+).
  • Explains .tool-versions syntax and version resolution order (cwd → parent dirs → $HOME → ASDF_${TOOL}_VERSION), plus .asdfrc options.
  • Covers migration from nvm, pyenv, rbenv, goenv, tfenv via legacy_version_file with a legacy-file mapping table.
  • Provides troubleshooting recipes for shims, command not found, PATH ordering, and plugin build dependencies.

Who it's for

  • Developers consolidating multiple language version managers into one tool.
  • DevOps/cloud engineers pinning Terraform, kubectl, Helm, and gcloud versions per project.
  • Teams onboarding new members into repos that rely on .tool-versions for reproducible environments.

Example uses

  1. "Set up asdf on a fresh machine with Fish shell" → dependencies, clone, config.fish entry, completion symlink.
  2. "Match this repo's .tool-versions" → add the needed plugins, run asdf install, verify with asdf current.
  3. "node keeps resolving to the wrong version" → inspect asdf current, check PATH, run asdf reshim.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/jjmartres/opencode/HEAD/opencode/skills/asdf/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the opencode/skills/asdf folder from the GitHub repo jjmartres/opencode into my ~/.claude/skills/asdf/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/jjmartres/opencode.git /tmp/opencode && mkdir -p ~/.claude/skills && cp -r /tmp/opencode/opencode/skills/asdf ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal.
  2. Create the skills directory if needed: mkdir -p ~/.claude/skills
  3. Clone the repo to a temp folder: git clone https://github.com/jjmartres/opencode.git /tmp/opencode
  4. Copy just this skill: cp -r /tmp/opencode/opencode/skills/asdf ~/.claude/skills/
  5. Confirm the file exists: ls ~/.claude/skills/asdf/SKILL.md
  6. Restart Claude Code and try a prompt like "use asdf to pin Node 20 for this project".
  7. Clean up: rm -rf /tmp/opencode
View source on GitHub ↗License: MIT