Claude Code Rate Limits Agent runtime infrastructure Orchestration Coding Agents Developer tools Pricing & limits Reliability

Claude Agent SDK

Build production AI agents with Claude Code as a library

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Claude Agent SDK is Anthropic's Python and TypeScript SDK for building autonomous AI agents using the same tools, agent loop, and context management that power Claude Code.

Recent stories

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newsPRIMARY2026-06-15

Anthropic delays Claude Agent SDK credit shift for claude -p and third-party apps

Anthropic paused a same-day policy change that would have moved Claude Agent SDK, claude -p, and third-party SDK apps onto separate monthly credits. Existing subscription-backed workflows continue unchanged for now, but teams should watch for the redesigned billing plan.

releaseSECONDARY2026-05-31

CopilotKit integrates Claude Agent SDK with AG-UI for React and mobile frontends

CopilotKit shipped an AG-UI integration that streams Claude Agent SDK agents into web and mobile frontends with generative UI and approval checkpoints. The adapter lets teams embed terminal-first Claude agents in React, Vue, Angular, and React Native without rewriting transport or state plumbing.

newsSECONDARY2026-05-15

Claude Code users report metered -p mode and slower headless sessions after credit split

A day after developers flagged Anthropic’s SDK credit split, Claude Code users said -p work had become metered, slower, and harder to run headlessly. Anthropic reset 5-hour and weekly limits, and Claude Code 2.1.143 added projected context-cost estimates.

newsSECONDARY2026-05-14

Claude users report billing shock after SDK credit update and flat-rate loss

Users reported cancellations, pricing math, and harness-specific workarounds after Anthropic said Claude Agent SDK usage would move to monthly credits on June 15. The change shifts third-party Claude agent economics and is already pushing some users toward other runtimes and tools.

newsPRIMARY2026-05-13

Anthropic adds $20-$200 monthly Claude Agent SDK credits starting June 15

Anthropic will move Claude Agent SDK, claude -p, GitHub Actions, and third-party agent apps onto separate monthly credits on June 15. Watch the new bucket closely, since it changes the cost model for autonomous runs and subscription-backed harnesses.