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Anthropic has released v0.1.70 of the Claude Agent SDK for Python, resolving a critical bug where Model Context Protocol (MCP) tool results were silently replaced by validation errors. What Happened * Mandatory MCP Upgrade: The SDK now enforces a dependency floor for the mcp library at version 1.19.
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Anthropic’s Python SDK for Claude agents now supports native domain allowlisting and denylisting within its sandbox network configuration, bringing essential security parity to the Python ecosystem. What Happened The release of v0.1.71 focuses primarily on refining the SandboxNetworkConfig schema. Key changes include: * Network Control Fields: Added allowedDomains,
claude
Claude Code v2.1.122 introduces enterprise-grade AWS Bedrock configuration options and a more streamlined workflow for resuming coding sessions directly from pull request URLs. What Happened The latest release of Claude Code v2.1.122 focuses on infrastructure flexibility and session management. Key updates include: * AWS Bedrock Service Tiers:
claude
Anthropic released version 2.1.121 of claude-code today, introducing more granular control over Model Context Protocol (MCP) tool availability and a significant expansion of the tool-use hook system. What Happened The latest update to claude-code (v2.1.121) focuses on developer experience and low-level agent control. * MCP alwaysLoad Configuration:
claude
Anthropics has released v0.1.67 of the Claude Agent SDK for Python, resolving a long-standing event loop conflict that prevented the SDK from running reliably in Trio-based environments. What Happened * Trio Compatibility Restored: This release fixes a RuntimeError: no running event loop that occurred when calling ClaudeSDKClient or query(
claude
Anthropic has updated the Claude Agent SDK for TypeScript to optimize prompt caching efficiency and harden the connection logic for proxied MCP servers. What Happened * Refined excludeDynamicSections Logic: The SDK now bifurcates system prompt data to maximize cache hit rates. Static auto-memory instructions remain in the cacheable system-prompt block, while
claude
Anthropic released Claude Code v2.1.120 today, introducing a dedicated subcommand for automated code reviews and decoupling the Windows experience from the Git Bash requirement. What Happened * Automated Audits via CI: The new claude ultrareview [target] subcommand allows developers to trigger the high-intensity /ultrareview flow non-interactively. It supports a
claude
Anthropic has released Claude Code v2.1.119, formalizing how the CLI tool persists user preferences and significantly expanding its ability to ingest context from GitLab, Bitbucket, and GitHub Enterprise. What Happened The v2.1.119 release introduces several structural changes to how the agent interacts with the local environment
claude
Anthropic’s v2.1.118 release of Claude Code introduces a more robust hook system for MCP tools and addresses long-standing requests for terminal editing ergonomics and environment stability. What Happened * Direct MCP Hook Invocation: The hook system now supports a type: "mcp_tool" configuration. This allows Claude
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Anthropic released Claude Code v2.1.117 today, introducing a significant toggle for parallel execution via forked subagents and refining how Model Context Protocol (MCP) servers are integrated into specialized agent sessions. What Happened The v2.1.117 release focuses on session management and the extensibility of the CLI’s
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Claude Code v2.1.116 significantly reduces the latency of resuming large developer sessions, cutting load times by up to 67% for context-heavy projects. What Happened The latest release of Claude Code v2.1.116 focuses on performance bottlenecks that emerge during long-running agentic workflows. * Session Resumption Speed: The /resume
claude
Anthropic has released version 0.1.62 of the claude-agent-sdk-python, introducing a streamlined way to manage agent capabilities through a new top-level skills parameter within the configuration options. What Happened * Top-level skills option: Added a dedicated skills parameter to ClaudeAgentOptions. This allows developers to enable or suppress agent skills directly