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cat Profile picture
@_catwu
Aug 4 • 6 tweets • 2 min read • Read on X
New Claude Code features are here:

Microcompact: Clear old tool calls to extend session length
Subagents: @-mention support + model selection for agents
PDF support: Read PDFs directly from your file system Image
Microcompact automatically clears old tool calls to free context when your session gets long.

This means you can work longer before needing a full context compaction, maintaining your most critical project context.
We’re also upgrading subagents and giving you the ability to call them directly.

@-mention a subagent in your prompt to ensure it gets called (e.g. @.code-reviewer).
You can now select which model you want each subagent to use. Choose Opus 4 for complex planning subagents, or Haiku 3.5 for simpler operations.

This lets you balance performance and token usage based on each agent's role.
Lastly, we’re adding PDF support.

Claude Code can now read PDFs from your file system. No conversion needed - just reference them like any other file.

Useful for working with documentation, specs, or research papers.
All features available now! Restart Claude Code to update.

You can find more on subagents in the docs: docs.anthropic.com/en/docs/claude…

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More from @_catwu

cat Profile picture
Jun 18
You can now connect to remote MCP servers from Claude Code, letting you customize Claude Code to use your favorite tools.

Pull context from your tools directly into Claude Code without context switching.
MCP lets you integrate Claude Code with hundreds of different tools and data sources.

With remote MCP, it’s as easy as pasting in the URL of a server; no local setup or config required.
For example, connect to the Sentry MCP server to pull errors directly into Claude Code for debugging.
Read 5 tweets
cat Profile picture
Jun 5
Since we originally built Claude Code as an internal tool, we've heard a ton of questions about how our teams use it at Anthropic.

Here’s an inside look on how our teams—from product engineering, to growth marketing, to legal—use Claude Code: Image
1/ Data scientists build production apps

Our Data Science team built a 5,000-line React dashboard for visualizing ML model performance despite knowing "very little JavaScript."

Claude Code created the entire application from scratch.
2/ Infrastructure teams doing faster security reviews

For infra changes, the Security team feeds Terraform plans to Claude Code and asks: "What's this change going to do?”

Quick analysis of infrastructure changes means faster security approvals & no more developer bottlenecks.
Read 9 tweets
cat Profile picture
May 13
More new Claude Code features landing this week!

First: multipaste.

You can now paste multiple large chunks (text or images) into one prompt. Image
Next: OpenTelemetry support 📊

Track granular metrics from Claude Code, including active users, sessions per user, lines of code, commits, and PRs.

All metrics stay entirely within your infrastructure.

docs.anthropic.com/en/docs/claude…
Finally: Real-time steering.

Send feedback to Claude Code while it's working, without waiting for completion.

Claude incorporates your input immediately, adjusting its approach based on new requirements or clarifications.
Read 4 tweets
cat Profile picture
Apr 24
We've recently shipped a fresh batch of Claude Code features to improve your workflow! These updates make Claude Code faster, more visual, and easier to control.

Here's what's new: Image
1/ Improved multimodal support

You can now drag and drop images directly into Claude Code. Great for:

- Debugging UI issues
- Discussing design mockups
- Working with visual assets

Claude Code sees what you see.
2/ Check-in permissions

Teams can manage which tools Claude Code can use across a codebase by checking permissions into git.

Set up auto-allowed tools for speed, or define security policies with never-allowed tools.

See how to configure it in the docs: docs.anthropic.com/en/docs/agents…
Read 7 tweets
cat Profile picture
Mar 21
It’s been a big week for Claude Code.

We launched 8 exciting new features to help devs build faster and smarter.

Here's a roundup of everything we released: Image
1/ Extended thinking

Ask Claude Code to “think” to trigger extended thinking, powered by Claude 3.7 Sonnet. Great for larger tasks that require planning, like refactors.

2/ Vim mode

Use the slash command /vim to active insert/command modes for editing prompts.

Read 10 tweets
cat Profile picture
Mar 14
Another batch of features for Claude Code!

Up first: Vim mode. This gives you the familiar insert/command modes for editing your prompts in Claude Code. Turn it on by typing the slash command /vim.

But that's not all: Image
Custom slash commands. You can create personalized workflows that can be invoked anytime as slash commands.

Make them by adding Markdown files to your .claude/commands/ or ~/.claude/commands/ directories. The contents of those files will become new commands. Image
You can build commands for common workflows like "triage GitHub issues," "spellcheck the code," and "query Sentry logs then bisect to a git commit."

Think of them as saved workflows for tasks you want to run more often.
Read 6 tweets

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