fermi-estimation plugin

Use for Fermi estimation, or when a rough number is needed fast: "roughly how many...", "ballpark the cost", "estimate capacity or market size", "is this even feasible?". Decomposes, uses ranges and sanity-checks. Skip when exact data is available or a precise calculation is wanted.

Commands

How to install the fermi-estimation plugin

Run both commands inside Claude Code. The first adds the marketplace once; the second installs the plugin.

Claude Code

/plugin marketplace add ysskrishna/ai-agent-skills
/plugin install fermi-estimation@ai-agent-skills

Update, turn off or remove

Update the plugin (shell): claude plugin update fermi-estimation@ai-agent-skills
Refresh the marketplace: /plugin marketplace update ai-agent-skills
Turn it off for now: /plugin disable fermi-estimation@ai-agent-skills
Remove it: /plugin uninstall fermi-estimation@ai-agent-skills

fermi-estimation plugin questions

How do I install the fermi-estimation plugin?

In Claude Code run /plugin marketplace add ysskrishna/ai-agent-skills, then /plugin install fermi-estimation@ai-agent-skills.

How do I update or remove the fermi-estimation plugin?

Update it with claude plugin update fermi-estimation@ai-agent-skills in your shell, or from the Installed tab of /plugin. Remove it with /plugin uninstall fermi-estimation@ai-agent-skills.