Source Intelligence
Sweep 28 Aug 2026 ยท 00:00Z Build v2.1.250 478 read Stable v2.1.236 Latest v2.1.250 Next v2.1.250 Feeds RSS JSON llms.txt

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

One change

quickstart

agents-and-tools/agent-skills/quickstart

first seen The page's own history The capture it came from

Nearest release: v2.1.237, published an hour after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

agents-and-tools/agent-skills/quickstart Changed · +3 / -2 lines

from line 364
 * **`skill_id: "pptx"`:** The PowerPoint Skill identifier
 * **`version: "latest"`:** The Skill version set to the most recently published
 * **`tools`:** Enables code execution (required for Skills)
-* **Beta header:** `skills-2025-10-02`
 
 <Note>
-  The examples on this page use the `code_execution_20260521` tool version, which is generally available and needs only the `skills-2025-10-02` beta header. The Step 3 code parses the result types that current tool versions return. Skills also work with older [code execution tool](https://platform.claude.com/docs/en/agents-and-tools/tool-use/code-execution-tool) versions such as `code_execution_20250825`: any current code execution tool version satisfies the Skills requirement. If you use a different version, keep its tool `type` and any beta header consistent with the code execution tool page, and always include `skills-2025-10-02`.
+  Skills are generally available on the Claude API and don't require a beta header. The examples on this page still send the `skills-2025-10-02` beta header and use the SDKs' `beta` namespace. Both remain valid, so you can run the examples as written and omit the header in your own requests.
+
+  The examples use the `code_execution_20260521` tool version, and the Step 3 code parses the result types that current tool versions return. Skills also work with older [code execution tool](https://platform.claude.com/docs/en/agents-and-tools/tool-use/code-execution-tool) versions such as `code_execution_20250825`: any current code execution tool version satisfies the Skills requirement without a beta header. If you use a different version, use the tool `type` listed on the code execution tool page.
 </Note>
 
 When you make this request, Claude automatically matches your task to the relevant Skill. Because you asked for a presentation, Claude determines the PowerPoint Skill is relevant and loads its full instructions: the second level of progressive disclosure. Then Claude runs the Skill's code to create your presentation.