[Release] anthropics/claude-code v2.1.101: v2.1.101

Claude Code v2.1.101 introduces significant improvements to team collaboration, enterprise security, and user experience. Key additions include a `/team-onboarding` command for generating ramp-up guides, OS CA certificate store trust for enterprise TLS proxies, and auto-creation of cloud environments for remote sessions. The release focuses on enhancing error messaging, fixing critical bugs in session management, and improving plugin/MCP tool reliability across various authentication providers and platforms.

Key Points

• •New `/team-onboarding` command generates teammate ramp-up guides from local Claude Code usage patterns
• •OS CA certificate store now trusted by default for enterprise TLS proxies (set `CLAUDE_CODE_CERT_STORE=bundled` to revert)
• •Remote-session features (`/ultraplan`) auto-create default cloud environments, eliminating manual web setup
• •Improved error messaging: rate-limit errors show which limit was hit and reset time; refusal errors include API explanations
• •Enhanced brief mode with retry logic when Claude responds with plain text instead of structured messages
• •Fixed critical session resume bugs: context loss on large sessions, chain recovery bridging into unrelated conversations, and stale directory conflicts
• •Fixed command injection vulnerability in POSIX `which` fallback for LSP binary detection
• •Improved settings resilience: unrecognized hook events no longer cause entire `settings.json` to be ignored
• •Fixed subagent tool inheritance and worktree access permissions for MCP tools and file operations
• •Resolved authentication issues with Bedrock SigV4, custom keybindings on third-party providers, and OAuth/headersHelper MCP server configuration

Workflow Diagram

Concepts

Artifacts (3)

# Claude Code v2.1.101 Configuration

# Certificate Store Configuration
# Default: Uses OS CA certificate store for enterprise TLS proxies
# Set to 'bundled' to use only bundled CAs
CLAUDE_CODE_CERT_STORE=default

# API Timeout Configuration
# Replaces hardcoded 5-minute timeout for slow backends
API_TIMEOUT_MS=300000

# OpenTelemetry Tracing Configuration
# Control sensitive span attribute emission
OTEL_LOG_USER_PROMPTS=false
OTEL_LOG_TOOL_DETAILS=false
OTEL_LOG_TOOL_CONTENT=false

# Authentication Configuration
# For Bedrock SigV4 and custom providers
ANTHROPIC_AUTH_TOKEN=<your_token>
ANTHROPIC_CUSTOM_HEADERS=<headers>

# Organization Configuration
# For Remote Control over SSH
CLAUDE_CODE_ORGANIZATION_UUID=<uuid>

{
  "hooks": {
    "PreToolUse": {
      "permissionDecision": "ask"
    }
  },
  "permissions": {
    "deny": []
  },
  "settingSources": {
    "user": true
  },
  "cleanupPeriodDays": 30,
  "allowManagedHooksOnly": false,
  "env": {
    "CLAUDE_CODE_CERT_STORE": "default",
    "API_TIMEOUT_MS": "300000"
  },
  "keybindings": "~/.claude/keybindings.json"
}

# Team Onboarding - Generate ramp-up guide from local usage
claude /team-onboarding

# Resume Session with Title
claude -p --resume "<session_title>"

# Continue Session with Conversation Preservation
claude --continue -p

# Plugin Management with Marketplace Refresh
claude plugin update
claude /plugin

# MCP Server Management
claude /mcp
claude mcp serve

# Settings and Configuration
claude /config
claude /add-dir --remember
claude /rename

# Remote Control
claude /remote-control
claude /ultraplan

# Context and Insights
claude /context
claude /insights

# Login with OAuth
claude /login