Anthropic Launches Mods for Customizing Claude Code
Anthropic has released a new modding capability for Claude Code, allowing developers to extend functionality and customize the interface using TypeScript.
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Automating Eval Design and Hillclimbing in Claude Code
New updates to the claude-api skill introduce automated evaluation building and hillclimbing to help developers improve application performance systematically.
Read more →Anthropic Introduces New Plugin Submission Portal for Claude
Anthropic has launched a new developer portal to streamline the submission, review, and analytics process for plugins in the Claude directory.
Read more →Anthropic Introduces Claude Opus 5.5: An AI Model Built for Long-Running Agentic Coding
Anthropic has released Claude Opus 5.5, a new model focused on agentic coding and knowledge work, offering reduced costs and improved performance.
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Anthropic Introduces Redesigned Projects in Claude Code
Anthropic has launched a beta version of its redesigned Projects feature, enabling Claude Code to manage parallel, long-running agentic workflows.
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Anthropic Adds Plugin Evaluation Framework to Claude Code
Claude Code now features built-in evaluation tools allowing developers to benchmark plugin performance against a no-plugin baseline and gate CI workflows.
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Anthropic Introduces 'ant apply' for Declarative AI Resource Management
Anthropic has released ant apply in the ant CLI, enabling developers to manage Claude agents, environments, and skills declaratively via code repositories.
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Anthropic Expands Claude Mythos 5 Access for Cybersecurity Defense
Anthropic has announced the integration of Claude Mythos 5 into security tools and a $35 million fund to support open-source software security efforts.
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Claude Code Introduces Cross-Session Messaging for Agent Coordination
Anthropic has released cross-session messaging for Claude Code, allowing independent AI sessions to communicate and coordinate tasks across terminals.
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Anthropic Sets Auto Mode as Default for Claude Code
Anthropic is transitioning Claude Code to run in auto mode by default for Pro, Max, and Team users, citing improved developer productivity and safety metrics.
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