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Claude-Agent-0.14

Changes for version 0.14 - 2026-10-16

  • Refactor to use Object::Proto
  • Speak the Claude Code SDK control protocol
  • Run hooks through the CLI
  • Answer can_use_tool permission requests through --permission-prompt-tool stdio.
  • Serve SDK MCP servers in-process over mcp_message; remove SDKServer and SDKRunner.
  • Add options: effort, tools, betas, max_budget_usd, add_dirs, settings, session_id, fallback_model, thinking, include_hook_events, forward_subagent_text, strict_mcp_config, plugins, extra_args, env, stderr, cli_path, enable_file_checkpointing.
  • Honour cwd, continue_conversation, include_partial_messages, sandbox and agents.
  • Add permission modes auto and manual; drop delegate.
  • Parse every stream-json message type; keep the raw hash on each message; add StreamEvent, RateLimitEvent, ToolProgress and HookEvent.
  • Client keeps one CLI process per session.
  • Add Query methods set_model, set_max_thinking_tokens, mcp_status, get_context_usage, server_info, close and the _async forms.

Modules

Claude::Agent
Perl SDK for the Claude Agent SDK
Claude::Agent::CLI
Terminal UI utilities for interactive CLI applications
Claude::Agent::Client
Multi-turn session with the Claude Code CLI
Claude::Agent::Content
Content block types for Claude Agent SDK
Claude::Agent::Content::Text
Text content block
Claude::Agent::Content::Thinking
Thinking content block
Claude::Agent::Content::ToolResult
Tool result content block
Claude::Agent::Content::ToolUse
Tool use content block
Claude::Agent::DryRun
Dry-run mode support for Claude Agent SDK
Claude::Agent::Error
Exception classes for Claude Agent SDK
Claude::Agent::Error::CLINotFound
CLI not found exception
Claude::Agent::Error::HookError
Hook execution exception
Claude::Agent::Error::JSONDecodeError
JSON parsing exception
Claude::Agent::Error::PermissionDenied
Permission denied exception
Claude::Agent::Error::ProcessError
Process execution exception
Claude::Agent::Error::TimeoutError
Timeout exception
Claude::Agent::Hook
Hook system for Claude Agent SDK
Claude::Agent::Hook::Context
Context passed to hook callbacks
Claude::Agent::Hook::Matcher
Which tools a set of hook callbacks applies to
Claude::Agent::Hook::Registry
Register hook callbacks with the CLI and run them
Claude::Agent::Hook::Result
Build hook callback results
Claude::Agent::Logger
Configurable logging for Claude Agent SDK
Claude::Agent::MCP
MCP (Model Context Protocol) server integration
Claude::Agent::MCP::HTTPServer
A remote MCP server reached over streamable HTTP
Claude::Agent::MCP::HeaderUtils
Header sensitivity utilities for MCP servers
Claude::Agent::MCP::SDKBridge
Answer the CLI's MCP requests for an in-process server
Claude::Agent::MCP::SSEServer
A remote MCP server reached over Server-Sent Events
Claude::Agent::MCP::Server
An MCP server that runs inside your process
Claude::Agent::MCP::StdioServer
An external MCP server the CLI starts
Claude::Agent::MCP::ToolDefinition
A tool served from this process
Claude::Agent::Message
Message types for Claude Agent SDK
Claude::Agent::Message::Assistant
Assistant message type
Claude::Agent::Message::Base
Base class for message types
Claude::Agent::Message::HookEvent
Hook lifecycle event
Claude::Agent::Message::RateLimitEvent
Rate limit status event
Claude::Agent::Message::Result
Result message type
Claude::Agent::Message::StreamEvent
Partial message event
Claude::Agent::Message::System
System message type
Claude::Agent::Message::ToolProgress
Long-running tool progress event
Claude::Agent::Message::User
User message type
Claude::Agent::Options
Configuration options for Claude Agent queries
Claude::Agent::Permission
Permission handling for Claude Agent SDK
Claude::Agent::Permission::Context
Context passed to the can_use_tool callback
Claude::Agent::Permission::Result
Base class for permission results
Claude::Agent::Permission::Result::Allow
Permission result that allows a tool
Claude::Agent::Permission::Result::Deny
Permission result that denies a tool
Claude::Agent::Query
One conversation with the Claude Code CLI
Claude::Agent::Subagent
Subagent definitions for Claude Agent SDK
Claude::Agent::Types
Slot types and constructor helpers for Claude::Agent classes

Examples

Other files