Claude docs changes for March 1st, 2026 [diff]

Executive Summary

  • The Task tool has been renamed to Agent across permissions, settings, CLI, and hook documentation (with backward compatibility for pre-2.1.63 references)
  • Memory documentation completely restructured with a new title, improved comparison tables, guidance for large teams, and better organization of CLAUDE.md, rules, and auto memory
  • New HTTP hook type added, allowing hooks to POST event data to external URLs (web servers, cloud functions, shared audit services)
  • Three bundled skills now ship with Claude Code: /simplify, /batch, and /debug
  • Remote Control is now available on Pro plans (previously Max only)

Claude Code changes

Changed documents

cli-reference [Source]

  • The --agents flag documentation updated: Task(agent_type) syntax changed to Agent(agent_type) to reflect the tool rename. [line 91] [Source]

features-overview [Source]

  • Added a new "CLAUDE.md vs Rules vs Skills" comparison to the feature comparison list, with a full table covering loading behavior, context cost, and best use cases for each. [lines 74-80] [Source]
  • Added guidance on bundled skills (simplify, batch, debug) that ship with Claude Code. [line 163] [Source]

hooks-guide [Source]

  • Added documentation for the new type: "http" hook, which POSTs event data to an HTTP endpoint instead of running a shell command. Useful for shared audit services and external event processing. [line 376] [Source]
  • New dedicated HTTP hooks section added covering POST behavior, authorization headers with environment variable interpolation, and when to prefer HTTP hooks over command hooks. [lines 680-724] [Source]

hooks [Source]

  • Hook type list updated to include http as a fourth hook type alongside command hooks. [line ~1749]
  • PreToolUse and SubagentStart hook documentation updated to reference "Agent tool" instead of "Task tool". [lines ~855, ~944, ~1247]

how-claude-code-works [Source]

  • Added auto memory (MEMORY.md) to the list of things Claude can access at the start of each session, noting the first 200 lines are loaded automatically. [line ~51]

ide-integrations [Source]

  • Session history panel now supports rename and remove actions: hover over a session to reveal options to rename it with a descriptive title or remove it from the list. [line 93] [Source]

index [Source]

  • Added mention of auto memory to the customization section, describing how Claude builds notes automatically as it works. [line ~162]
  • Added "Store instructions and memories" as a recommended next step linking to the memory guide. [line ~221]

interactive-mode [Source]

  • Major expansion of the built-in commands table with many newly documented commands including: /agents, /chrome, /copy, /diff, /fast, /feedback, /fork, /hooks, /ide, /insights, /keybindings, /mobile, /output-style, /plugin, /pr-comments, /release-notes, /remote-control, /review, /sandbox, /skills, /statusline, /theme, /upgrade, /vim, and more. [lines 80-137] [Source]

mcp [Source]

  • Added ENABLE_CLAUDEAI_MCP_SERVERS environment variable documentation: set to false to disable claude.ai MCP servers in Claude Code (enabled by default for logged-in users). [line ~1144]

memory [Source]

  • Page completely restructured with new title "How Claude remembers your project" and a clearer intro roadmap. [line 1] [Source]
  • New comparison table contrasting CLAUDE.md files vs auto memory across multiple dimensions. [lines 19-27] [Source]
  • New subsections added for: choosing CLAUDE.md file scope (project/user/repo), setting up a project CLAUDE.md with /init, and writing effective instructions (size limits, structure, specificity). [lines 44-84] [Source]
  • New "Manage CLAUDE.md for large teams" section covering organization-wide deployment via configuration management, excluding specific files, and team-level controls. [line 237] [Source]
  • Reorganized .claude/rules/ section with dedicated subsections for path-specific rules, glob patterns, symlinks, and user-level rules. [line 130] [Source]

overview [Source]

  • Added mention of auto memory to the customization section and updated navigation links to point to the memory guide. [line ~162]

permissions [Source]

  • Subagent permission rules renamed from Task(AgentName) to Agent(AgentName) syntax throughout, including examples for Explore, Plan, and custom agents. [lines 161-178] [Source]

remote-control [Source]

  • Remote Control is now available as a research preview on both Max and Pro plans (previously described as Max only with Pro "coming soon"). [line 3] [Source]

settings [Source]

  • Added ENABLE_CLAUDEAI_MCP_SERVERS to the environment variables table: set to false to disable claude.ai MCP servers. [line 989] [Source]
  • Tools table updated: Task tool renamed to Agent (runs a sub-agent to handle complex, multi-step tasks). [line 1028] [Source]

skills [Source]

  • New "Bundled skills" section added documenting three default skills that ship with every Claude Code installation: /simplify (parallel code review and cleanup), /batch (large-scale parallel codebase changes via git worktrees), and /debug (session troubleshooting). [lines 9-18] [Source]

sub-agents [Source]

  • Task tool officially renamed to Agent tool as of version 2.1.63, with a backward compatibility note that existing Task(...) references in settings and agent definitions still work as aliases. [lines 277-279] [Source]
  • All code examples updated to use Agent(...) syntax instead of Task(...). [lines 288-309] [Source]

vs-code [Source]

  • Session history panel now supports rename and remove actions: hover over a session to reveal options to rename it with a descriptive title or remove it from the list. [line 93] [Source]

API changes

Changed documents

typescript [Source]

  • Added supportedAgents() method to the Query interface, returning available subagents. [line 200] [Source]
  • Added agents field to the SDKControlInitializeResponse type. [line 241] [Source]
  • New AgentInfo type documented, describing available subagents with name, description, and optional model fields. [line 1995] [Source]

remote-mcp-servers [Source]

  • New MCP server added: Dremio Cloud — analyze and get insights from lakehouse data (user-specific URL). [line ~962]
  • MCP server list reordered (various entries moved between positions).