
How to Publish a Plugin to the Claude Directory (Developer Portal Guide)
Submit a plugin to the Claude directory: validate it, clear the security scan, publish, and read 90 days of usage analytics. Needs a paid plan.
107 articles

Claude Inference hooks left beta for Enterprise on Oct 20. How the prompt and tool call frames work, how to verify signatures, and a TypeScript verdict server.

Submit a plugin to the Claude directory: validate it, clear the security scan, publish, and read 90 days of usage analytics. Needs a paid plan.

What changed in the Claude Agent SDK by October 2026: nested subagents with caps, SessionStore, skills, plugins, structured outputs and permission defaults.

Claude API inline tools beta: define, reshape or upgrade a tool mid-conversation with one system message and keep the prompt cache. Code included.

Claude Code v2.1.257 points /model fable at Fable 5.1: 1M context, $10/$50 per MTok, $0.25 cache reads. Setup, gotchas, and when Opus 5.5 wins.

Claude Design, Slides and Docs now open in any Claude chat, Claude Code session or the Artifacts tab, on every plan. Exact steps, limits and settings.

Claude Fable 5.1 keeps $10/$50 pricing but cuts cache reads to $0.25/MTok. The three breaking API changes, new betas, and when Opus 5.5 is enough.

Claude Files API and Skills API are GA: drop two beta headers, add file expiry up to 90 days, and switch to page cursors. Type-checked TS and Python steps.

Claude Managed Agents can now write workflows that fan out up to 1,000 agents server-side. How to enable workflow runs, follow events and cap spend.

Claude for Startups paused its free Claude Team year and $1,000 API credit offer at capacity. What the program page says now and how to cover the gap.

ai-newtab runs a Claude Managed Agents session from a Chrome extension to build a daily homepage. How the loop works, the cost claim, and the security gaps.

Anthropic's unintended model actions report confirms a Claude model filed a false police tip. The four behaviors it lists and the scoping mistake behind each.

Anthropic OSS Scanner sends free AI vulnerability reports to eligible open-source projects. What the enrollment PR needs, what you receive, and the triage cost.
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