Code with Claude 2026 — feature mapping for Etz Chaim AI
This document maps every Anthropic 2026 feature announced at or before
Code with Claude SF (May 6, 2026)
to its role in Etz Chaim AI. Use this as the reference when deciding
whether to wire a new Anthropic feature in.
Last sync: May 11, 2026 (3 days after Code with Claude SF keynote)
The Code with Claude SF 2026 announcements
Held at SVN West, San Francisco, May 6, 2026. Three thousand-ish
attendees in person. Tracks: Research · Claude Platform · Claude Code.
Headline announcements (with Etz Chaim mapping)
| Announcement |
Etz Chaim impact |
Sprint |
| Claude Code 5h rate limits doubled for Pro/Max/Team/Enterprise |
Maintainer can run longer improve-loops |
1 |
| Peak-hours throttling removed for Pro/Max |
Nightly daemon runs reliably |
1 |
| Opus API rate limits considerably raised |
Adversarial probes can run in parallel |
1 |
| 300+ MW SpaceX/Colossus 1 partnership · 220 000+ GPUs |
Backend capacity for Routines |
(infra) |
| Dreaming → research preview |
Memory curation for epistememory faculty |
8 |
| Outcomes → public beta |
Rubric grader per faculty |
8 |
| Multiagent orchestration → public beta |
11 malakhim as parallel sub-agents |
8 |
| Webhooks for Managed Agents |
Drift alerts → Telegram |
7 |
| Harvey case study: 6× task completion with Dreaming |
Validation of our memory direction |
(proof point) |
| Wisedocs: −50% review time with Outcomes |
Validation of rubric direction |
(proof point) |
| Netflix: hundreds of parallel builds via Multiagent |
Pattern for our 11 adversaries |
8 |
| Q1 2026: 80× annualized revenue growth |
Strategic context (don't bet against the stack) |
— |
| API volume: +70× YoY |
Same |
— |
| Avg dev uses Claude Code 20 h/week |
Validates the workflow we're standardizing on |
— |
| 4% of public GitHub commits are Claude Code authored |
Distribution surface for OSS visibility |
— |
Anthropic feature catalog → Etz Chaim mapping
Updated table, sorted by sprint priority.
Sprint 1 — Zero-architecture wins
| Feature |
Etz Chaim use |
Reference |
| Prompt caching (explicit breakpoints) |
Cache the 36 086-line spec corpus → ~90% cost reduction on improve-loop |
docs |
| Claude Opus 4.7 (released Apr 16, 2026) |
Upgrade from 4.6 on deep facultés (causal, dissensus, insight) |
release notes |
| Adaptive thinking |
Replace manual budget_tokens on facultés |
docs |
| Batch API |
Nightly daemon runs as batch (-50% cost on top of caching) |
docs |
| Citations API |
Native E1–E6 label mapping |
docs |
Advisor tool (beta advisor-tool-2026-03-01) |
Sonnet executor + Opus advisor for the dispatcher in triage subagent |
Anthropic news |
Sprint 2 — Skills (the Barry Zhang / Mahesh Murag thesis)
| Feature |
Etz Chaim use |
Reference |
| Skills standard (agentskills.io) |
13 SKILL.md files for 10 facultés + 3 utility |
agentskills.io |
| Progressive disclosure |
Metadata up-front, full content on demand (Anthropic's stated pattern) |
Barry Zhang talk |
disable-model-invocation: true frontmatter |
Use on etz-spec-lookup (manual-only skill) |
Skills docs |
| Skills marketplaces |
Publish to skills.sh, skillsmp.com, agensi.io, buildwithclaude.com, awesome-agent-skills |
skills.sh |
| Cross-tool skills |
Same skills work on Codex CLI, Cursor, Antigravity (35+ platforms) |
Agent Skills explainer |
Sprint 3 — Subagents (Boris pattern)
| Feature |
Etz Chaim use |
Reference |
Subagents (/agents/*.md) |
5 subagents: triage, verify-spec, improve-loop, spec-auditor, doctor |
Claude Code docs |
isolation: worktree frontmatter |
On improve-loop and verify-spec (Boris pattern) |
Boris's worktree thread |
/batch slash command |
Adapt as /batch-migration for spec migrations |
Boris's /batch announcement |
/simplify slash command |
Adapt for post-mutation cleanup |
(built-in Claude Code) |
| Plan Mode (Shift+Tab×2) |
Mandatory for all spec mutations |
Boris thread |
| Verification loop (verify-spec) |
The 2-3× quality boost insight |
VentureBeat manifesto |
Sprint 4 — Hooks, Sandbox, Auto Mode, DevContainer
| Feature |
Etz Chaim use |
Reference |
| Hooks (26 lifecycle events in v2.1.116) |
8 hooks: PreToolUse aggregate-write guard, PostToolUse format, Stop verify-app |
Hooks docs |
| Sandbox (Seatbelt/Landlock) |
OS-level isolation for the daemon |
Sandbox docs |
| Auto Mode (Sonnet 4.6 classifier) |
Replace --dangerously-skip-permissions for the daemon |
Auto Mode blog |
| Prompt-injection probe |
Screen Sefaria-sourced content |
(part of Auto Mode) |
| DevContainer |
One-line install via VS Code / Codespaces |
DevContainer docs |
| Trail of Bits hardened devcontainer |
Reference firewall pattern |
GitHub |
/loop & /schedule |
Boris's autonomous workflows |
Boris's tips |
--worktree flag |
Each adversary in its own worktree |
Worktree announcement |
| statusline custom |
Show context %, model, branch, cost, active rectifiers |
statusline docs |
/insights + cleanupPeriodDays: 365 |
Longitudinal flywheel |
(Shrivu Shankar pattern) |
Sprint 5 — MCP server (etzchaim-mcp)
| Feature |
Etz Chaim use |
Reference |
| MCP standard (AAIF) |
Build etzchaim-mcp (15 tools) |
MCP spec |
| Tool Search (auto-defer, 95% context reduction) |
All etzchaim-mcp tools default-deferred |
Tool Search docs |
alwaysLoad: true annotation |
On diagnose_faculty (critical, no defer) |
docs |
anthropic/maxResultSizeChars annotation |
Cap result size to 50 000 chars |
(MCP server best practice) |
| Tool description optimization |
Use the tool-testing agent pattern (40% latency reduction) |
Anthropic eng |
| Parameter naming (Ken Aizawa rule) |
spec_id not id, faculty_name not name |
Writing tools for agents |
Sprint 6 — Plugin distribution
| Feature |
Etz Chaim use |
Reference |
Claude Code Plugins (.claude-plugin/plugin.json) |
Bundle skills + agents + commands + hooks + MCP config |
Plugins docs |
| buildwithclaude.com marketplace |
Primary distribution channel |
buildwithclaude |
| skills.sh (Vercel) |
Cross-tool skills installation: npx skills add yohanpoul/etz-chaim-ai |
skills.sh |
| mcp.so |
MCP server registry |
mcp.so |
| Glama |
MCP server discovery |
Glama |
| agensi.io |
Security-scanned skills |
agensi.io |
| awesome-agent-skills |
Community list |
GitHub |
Sprint 7 — Cloud asynchrone (Routines + Channels + Webhooks)
| Feature |
Etz Chaim use |
Reference |
| Claude Code Routines |
REPLACES local daemon for nightly improve-loop |
TheNewStack launch |
| Channels (research preview) |
Telegram alerts for drift / mutation approval |
Channels docs |
--channels permission relay |
Approve tool calls from phone |
(Claude Code v2.1.x) |
| Webhooks for Managed Agents (whsec_) |
At-least-once dedup via Hookdeck |
Hookdeck guide |
| Claude Code Action GHA |
PR-from-anywhere via @claude mention |
claude-code-action |
| OpenTelemetry expansion in Cowork |
Trace nightly routines into Grafana |
(Code with Claude 2026 announcement) |
Sprint 8 — Managed Agents (the long bet)
| Feature |
Etz Chaim use |
Reference |
Managed Agents (anthropic.beta.agents.create) |
Persistent agent for Etz Chaim |
Managed Agents docs |
| Memory tool + stores |
Replace local epistememory storage |
Memory docs |
| Dreaming (research preview) |
Nightly memory curation, review-human-required |
Dreaming announcement |
| Outcomes (public beta) |
Rubric grader per faculty in separate context |
Outcomes blog |
Multiagent orchestration (public beta, managed-agents-2026-04-01) |
The 11 malakhim as parallel specialist sub-agents |
Multiagent docs |
| Persistent events |
Trace every step in Claude Console |
(Managed Agents feature) |
| Vault credentials background refresh |
mcp_oauth secret rotation |
(May 2026 release notes) |
Sprint 9 — Evangelism & v1.0
| Feature |
Etz Chaim use |
Reference |
| Claude Certified Architect |
Certification track |
Claude Certified |
| Code with Claude London (May 19) / Tokyo (June 10) |
Talk submissions |
Code with Claude |
| Claude for Open Source Program |
6 months Max free for OSS maintainers (deadline June 30, 2026) |
Apply |
Features we explicitly DON'T use (and why)
| Feature |
Why we skip |
| Cowork plugins |
Cowork is for knowledge workers, not OSS infrastructure |
| Claude in Excel/PowerPoint/Word/Outlook |
Not relevant to Etz Chaim's core use case |
| Finance agent templates |
Domain-specific to financial services |
| Computer Use (full) |
Overkill for our needs; the Chrome extension on the Flask dashboard is sufficient |
| Claude Security |
We'll use Semgrep + dependency scanning on etzchaim-mcp, but not the full Claude Security product |
Reference index
Boris Cherny (creator of Claude Code) — workflow
Anthropic engineering — foundational papers
Anthropic thesis — Barry Zhang & Mahesh Murag
Code with Claude SF 2026
Standards