An update on recent Claude Code quality reports
…Ultimately we used all of these, but one addition to the system prompt caused an outsized effect on intelligence in Claude Code: “Length limits: keep text between tool calls to ≤25 words…
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Claude Code auto mode: a safer way to skip permissions
…Actual Claude Code tool calls from Anthropic employees. Real overeager actions (n = 52). Curated from sessions where an employee denied the action or it was flagged post-hoc. Small because it requires…
Claude for Creative Work
…Extending tools with code : Claude Code can write scripts, plugins, and generative systems for the software you already use. You can ask it to build a custom shader, script a procedural animation…
Advancing Claude in healthcare and the life sciences
…Claude Code has become a powerful accelerator for us at Schrödinger. For the projects where it fits best, Claude Code allows us to turn ideas into working code in minutes instead of…
Introducing Claude Design by Anthropic Labs
…Our most complex pages, which took 20+ prompts to recreate in other tools, only required 2 prompts in Claude Design. Including design intent in Claude Code handoffs has made the jump from…
Introducing Claude Opus 4.5
…Alongside Opus, we’re releasing updates to the Claude Developer Platform , Claude Code , and our consumer apps . There are new tools for longer-running agents and new ways to use Claude in…
Claude Opus 4.6
…Product updates Across Claude and Claude Code, we’ve added features that allow knowledge workers and developers to tackle harder tasks with more of the tools they use every day. We’ve…
Introducing advanced tool use on the Claude Developer Platform
…Tool Search Tool, which allows Claude to use search tools to access thousands of tools without consuming its context window Programmatic Tool Calling , which allows Claude to invoke tools in a code…
Scaling Managed Agents: Decoupling the brain from the hands
…harness (the loop that calls Claude and routes Claude’s tool calls to the relevant infrastructure), and a sandbox (an execution environment where Claude can run code and edit files). This allows…
Trustworthy agents in practice
…Without tools, Claude can read the receipt but not file it. An environment. This is where the agent runs—i.e., whether it’s set up in Claude Code, Claude Cowork, or…