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Sweep 27 Oct 2026 · 19:04Z Build v2.1.312 531 read Stable v2.1.308 Latest v2.1.312 Next v2.1.312 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.311 ·

New bundled cc-plugin-claude-platform plugin for Claude Platform docs

A built-in plugin, cc-plugin-claude-platform, packages the claude-api skill with a docs MCP server, and is registered but not turned on by default

Group of 2 You'll notice Notable No documentation found New Features
JSON All of v2.1.311
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5Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
PluginsArea: what it touches
New FeaturesKind: in v2.1.311,
What probably matters to youSection of the release

Unclear Whether the claude-api skill is still available on its own when this plugin is switched off is not stated.

What

Claude Code now bundles a plugin called cc-plugin-claude-platform. It connects Claude to the Claude Platform developer documentation at platform.claude.com through an MCP server, an outside program that gives Claude extra tools, at https://platform.claude.com/docs/mcp. It also supplies the claude-api skill, which used to be registered directly.

  • It is registered in the same place as cc-plugin-claude-test, which applies when CLAUDE_CODE_ENTRYPOINT is not local-agent and another check is false.
  • Registering it does not turn it on. Its own check requires Anthropic's own API address, a process that is not an agent, and the tengu_peppy_crescent flag. It also includes a setting-style lookup that defaults to off, among other conditions. Nothing has been read yet about tengu_peppy_crescent.
  • CLAUDE_CODE_DISABLE_CLAUDE_API_SKILL still disables the skill.

Why

The claude-api skill now ships inside a plugin with a live documentation source. Most users will probably not see it active yet, and the existing environment variable still switches the skill off.

Read from
Names in the bundlecc-plugin-claude-platform
How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtWhether the `claude-api` skill is still available on its own when this plugin is switched off is not stated.
Anthropic's release notes agreeFixed claude mcp add, claude mcp remove and /mcp naming the current folder instead of the project entry in ~/.claude.json that holds a…

See this entry in the whole of v2.1.311 →

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