Extend Claude with skills changedskills
Upstream edited this page at 11 Nov 2026 18:51 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 11 Nov 2026 19:07 UTC.
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8787| `managed-agents-secure [<agent-id>]` | Read the settings of one Managed Agent and report where they match the [Secure your Managed Agents deployment](https://platform.claude.com/docs/en/managed-agents/secure-deployment) guide or differ from it. Requires the [`ant` CLI](https://platform.claude.com/docs/en/cli-sdks-libraries/cli/quickstart) | v2.1.304 or later |
8888| `prompt-audit` | Flag instructions written for older models in your prompts, skills, and tool descriptions and propose fixes as a diff | v2.1.221 or later |
8989| `cost-optimize` | Profile where your project's Claude API spend goes and propose savings from options such as prompt caching, trimming unneeded input and output tokens, batch processing, effort, and model choice, one change at a time | v2.1.247 or later |
90| `latency-optimize` | Find where the time goes in your existing Claude API code and propose changes that reduce how long people wait | v2.1.319 or later |
9091| `build-eval` | Build an eval set for your Claude-powered app | v2.1.259 or later |
9192| `hillclimb` | Iteratively improve your app against an existing eval | v2.1.259 or later |
9293| `preserved-thinking-migration` | Find the edits your integration makes to earlier turns, its system prompt, or its tool list that invalidate [preserved thinking](https://platform.claude.com/docs/en/build-with-claude/preserved-thinking) blocks, measure how much reasoning each one drops, and propose fixes one at a time, re-measuring after each change | v2.1.282 or later |
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