Claude Report — 2026-08-22

🚀 Anthropic Official

Claude Code v2.1.239 (Aug 21)

• Cost estimates now include the 1.1× US-only-inference premium for data-residency workspaces, and shows a one-time fullscreen-renderer offer on Bedrock/Vertex/Foundry setups.
• Adds /claude-api upgrade to migrate Python projects to the anthropic 1.x SDK; cloud-synced plugins now display as name@synced.
• Fixes Alpine/musl clipboard, paste, and audio add-ons, plus roughly 40 other bugs including Bedrock proxy double-billing, /resume path errors, and Windows cross-session SendMessage/ListAgents reliability.

Claude Agent SDK TypeScript v0.3.239 (Aug 21)

Adds the 1.1× US-only-inference multiplier to total_cost_usd/modelUsage.costUSD, makes background subagents report cost/duration/usage at release time instead of turn-end, fixes SYSTEM_PROMPT_DYNAMIC_BOUNDARY leaking as literal text on Bedrock/Vertex/Foundry/gateway providers, and adds a background_tasks_changed snapshot on host reconnect.

Claude Security launches with Claude Mythos 5 (Aug 21)

Anthropic ships Claude Security, an enterprise product that scans codebases and proposes patches with CWE categorization, confidence ratings, and severity scoring; pairs it with partner-embedded Mythos 5 deployment, a new Cyber Verification Program, and a $35M "Defender Advantage Fund" for open-source security patching.

Files API reaches GA (Aug 19)

The files-api-2025-04-14 beta header is no longer required; adds file expiration and page/ids[] pagination for listing files.

Agent Skills API reaches GA (Aug 19)

The skills-2025-10-02 beta header is no longer required to use Agent Skills.

Admin API user management reaches GA for Claude Enterprise (Aug 19)

The ce-user-management-2026-07-13 beta header is no longer required for group and custom-role requests.

Managed Agents add domain-restricted web tools (Aug 19)

Adds allowed_domains/blocked_domains configuration to web_search/web_fetch on agent_toolset_20260401.

Claude Console session viewer redesigned (Aug 19)

Adds a timeline minimap, per-model-request transcript grouping, and a new Inspector panel for debugging agent runs.

Anthropic SDK Python v0.123.0–v0.125.0 (Aug 19)

Brings Files/Skills APIs to GA in the SDK, adds computer-use and browser-use toolsets, managed-agents web search config, and self-hosted sandbox memory support — the release train leading into v1.0.0.

Anthropic SDK TypeScript v0.119.0–v0.120.0 (Aug 19)

Ships TypeScript parity with the Python SDK's GA Files/Skills APIs, computer-use/browser-use toolsets, and managed-agents/sandbox-memory features, alongside matching Bedrock, Vertex, Foundry, AWS, and Google Cloud sub-package bumps.

🔌 Claude Code Plugins

Plugin install-rank cache unavailable this cycle — top-10 install-rank tracking skipped per this run's instructions.

🛠️ Skills

tt-a1i/archify

Fixes Semantic Radar collision/dragging handling and route/boundary auto-rendering, and adds a RAG pipeline architecture example to its authoring cookbook (Aug 19-21).

Piebald-AI/claude-code-system-prompts

Publishes system-prompt token-footprint diffs for Claude Code v2.1.235 through v2.1.239 as each version ships (Aug 19-21).

agentskillexchange/skills

Adds several new marketplace skills — including a MuAPI image-generation skill, an AShareHub China-market data skill, and a SandBase multi-source research skill — via near-continuous automated sync through Aug 22.

anthropics/skills

Updates the claude-api skill with a Python SDK 0.x-to-1.x upgrade guide (Aug 21).

alirezarezvani/claude-skills

Merges a dev-branch update into main (PR #970, Aug 21).

🤖 Agents & Subagents

nicobailon/pi-subagents v0.53.0 → v0.54.0 (Aug 20-21)

Adds per-agent model scopes, an RPC schedule-management API, a TTL-based model-exclusion store for fallback candidates, and a runtime agent-registration API.

anthropics/claude-agent-sdk-typescript (Aug 21)

Ships v0.3.239 — see Anthropic Official above.

AMAP-ML/LongHorizon-Harness v0.1.7 (Aug 20)

Lets the dashboard continue a finished run as a conversation, fixes guard-only failures wrongly failing whole runs, and fixes isolated EBADF crashes in control-bus reads.

Unchanged in window: anthropics/claude-agent-sdk-python (still v0.2.143, Aug 20, already covered), VoltAgent/awesome-claude-code-subagents (last commit Aug 12).

🔗 MCPs & Integrations

oraios/serena

Fixes a tsserver crash that produced silent empty results (PR #1848, Aug 20).

DeusData/codebase-memory-mcp

Adds dbt/Jinja lineage extraction, Swift protocol-method indexing, and first-class SQL Table/View lineage nodes on top of the v0.10.8 release (Aug 20-21).

Unchanged in window: modelcontextprotocol/python-sdk (same SSE/OAuth body-size-limit and TypedDict fixes already covered), github/github-mcp-server (still v1.10.1, Aug 20, already covered), modelcontextprotocol/typescript-sdk (last commit Aug 18). Also tracked as alternates: shlokkhemani/rabbithole (last activity Aug 19), awslabs/mcp (commits Aug 20-21 but no new release tag).

💡 Community — Workflows & Ideas

Claudette (nobuzz) — make Claude stop talking like a BuzzFeed article (Aug 21)

A Claude Code skill pipes Claude's response to a different model (Gemini) for a plain-English rewrite in one of three audience modes, then prints that output verbatim without letting Claude re-polish it — a reusable cross-model critique pattern.

Frigade replaces its Grafana stack with a Claude Code skill (Aug 21)

Retires 24 hand-built dashboards for a skill that answers analytics questions over a read-only Postgres replica and posts scheduled Slack summaries, trading dashboard maintenance for occasional wrong answers.

OzBrain — a shared MCP knowledge store across agents (Aug 21)

Lets Claude, ChatGPT, Cursor, and Claude Code read/write the same structured knowledge base via one MCP connector, with row-level security and conflict detection when agents write contradictory information.

Proliferate — self-hostable multi-agent coding IDE (Aug 21)

Orchestrates Claude Code, Codex, OpenCode, Cursor, and Grok in parallel, giving each task an isolated git worktree, branch, and terminal.

Claude Code Hermit — 24/7 autonomous agent daemon (Aug 21)

Wraps Claude Code in a persistent daemon that only polls on filesystem changes (near-zero idle cost), with Discord/Telegram remote control and a native Artifact dashboard.

📰 Quick Mentions

• Vesta (Aug 21) — maintains a live code graph alongside Claude Code and reports a 38.8% cost reduction from proactive structural context injection.
• Desktop Vibe Fly (Aug 21) — a real neuroscience fly-brain simulation that treats AGENTS.md/CLAUDE.md files on disk as "odor sources."