DevAgentRadar → Claude Code

You are helping me adopt a real coding-assistant change. Work only from the facts below. Do not invent features.

Context

Assistant: Claude Code Proposal: Enable You Should Know with /plugin enable cc-plugin-you-should-know@builtin Summary: Claude Code v2.1.287 adds Claude Mods and the built-in You Should Know side agent, MCP URL prompts with bareElicitationCapability, an n: agents-view filter, and OpenTelemetry prompt_text. Enable the mod in first-party sessions, unstick MCP servers, and mask the new telemetry field. Primary source: https://github.com/anthropics/claude-code/releases/tag/v2.1.287

Why it matters

v2.1.287 adds Claude Mods, letting plugins modify deeper behavior, and You Should Know, a built-in mod whose side agent flags things you or Claude might miss. Enable it with /plugin enable cc-plugin-you-should-know@builtin in first-party sessions with telemetry on so that extra reviewer is actually running. MCP servers on the 2025-11-25 protocol can now send URL prompts (for example to sign in). Servers that stop connecting after this upgrade need bareElicitationCapability set true on their MCP config entry. OpenTelemetry user_prompt events now include prompt_text, a copy of prompt for backends that nest dotted keys; drop or mask it wherever you already drop or mask prompt. The agents view gained an n:<text> filter on session names and tasks, shows matches in collapsed sections, and Enter opens the first match. On Windows, denying Bash also turns off PowerShell and leaves Claude with no shell tool; treat the new startup warning as a real permission decision.

Suggested actions

1. /plugin enable cc-plugin-you-should-know@builtin

2. If an MCP server no longer connects after upgrading to Claude Code v2.1.287, add "bareElicitationCapability": true to that server's MCP config entry so 2025-11-25 URL prompts (for example sign-in) work.

3. In the OpenTelemetry pipeline for Claude Code user_prompt events, drop or mask the new prompt_text field everywhere you already drop or mask prompt (it is a copy of prompt for backends that nest dotted keys; anthropics/claude-code#70763).

4. In Claude Code's agents view, type n:<session-or-task-text> to filter by session name and task; matches now appear in collapsed sections and Enter opens the first match.

5. On Windows, do not deny the Bash tool unless you also intend to disable PowerShell: v2.1.287 warns at startup because that permission also turns off PowerShell and leaves Claude with no shell tool.

Config surfaces this release may change

• skills (high confidence) — check your repo before applying
• hooks (high confidence) — check your repo before applying
• MCP servers (high confidence) — check your repo before applying
• agent context files (high confidence) — check your repo before applying
• context and compaction settings (high confidence) — check your repo before applying
• permission rules (high confidence) — check your repo before applying
• slash commands (high confidence) — check your repo before applying

After you finish

Do not report this as applied to DevAgentRadar. You cannot write the visitor's loop.

Tell the human: open https://devagentradar.com/proposals/claude-code-v2-1-287-enable-you-should-know-with-plugin-enable-cc-plugin and mark Applied, Skipped, or Failed. Proposal id: fa764d3b-91b0-4ac8-b482-499151d1c372

Your job

1. Restate the change in one sentence.
2. Propose a minimal plan for my repo (or a throwaway pilot).
3. Implement only what I approve; prefer small diffs and tests.
4. Call out risks (permissions, breaking APIs, cost).

Start by confirming you understood the proposal.