Achieved 92.0% accuracy on BixBench benchmark with SciAgent-Skills, up from 65.3% baseline

Introduced Tool Search feature that defers MCP tool definitions to save up to 90% of context window tokens.

Launch of a Rust-based MCP server as a lightweight alternative to Claude Code's Telegram plugin

Launch of a lightweight Rust-based MCP server to replace Claude Code's official Telegram plugin

Performance guidance published warning against using elaborate personas

Architecture built on Model Context Protocol (MCP) to connect to various AI backends.

Launched Computer Use feature with app-level permissioning, expanding attack surfaces.

Anthropic promotes new features and best practices for its Claude Code coding assistant, including a CLI and usage dashboard.