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MasterSkills is a private registry for Agent Skills — the reusable instruction packages that AI coding agents load to learn your team’s workflows, conventions, and domain knowledge. Without a registry, teams share skills by zipping folders into Slack or committing them into every repo: no permissions, no versions, no way to know who has what installed. MasterSkills gives your organization one place to publish, permission, version, and sync private skills across every developer’s machine and every coding agent they use.
After that, everything happens by talking to your agent in plain language:
“Do we have any skills for our booking flow?” “Install the first two.” “Publish the skill I wrote in ./skills/content-rules to the team.” “Any skill updates?”

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Two rules the agent can never break

Nothing is written to disk without your approval

Installing, updating, and removing skills always requires your explicit confirmation — even skills your organization marks as required.

Nothing is published without your approval

Publishing always shows the full manifest first — files, size, version bump, secret-scan result — and waits for an explicit yes.
These are product rules, not defaults you can toggle off. See Trust & approvals for how they are enforced.

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How the pieces fit

Skills are named @org/slug, versioned automatically by content, and installed into every detected agent on a machine — Claude Code and 70+ other coding agents. See Supported agents.

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Start here

Quickstart

Two commands per machine, under two minutes for the whole team.

How it works

The store, the links, and what actually happens on install.

CLI reference

Every command, flag, and environment variable.

API reference

The HTTP API the CLI talks to.