claude-code-ultimate-guide/guide
Florian BRUNIAUX 6910c06981 docs: add Native Sandboxing comprehensive documentation (v3.21.1)
Integration of official Anthropic sandboxing docs (5/5 CRITICAL):

Created (5 files):
- guide/sandbox-native.md (~3K words): Complete technical reference
  * OS primitives (Seatbelt/bubblewrap), filesystem/network isolation
  * Sandbox modes, escape hatch, security limitations
  * Decision trees, config examples, troubleshooting
- docs/resource-evaluations/native-sandbox-official-docs.md (5/5 score)
- examples/config/sandbox-native.json (production config)
- examples/commands/sandbox-status.md (sandbox inspection)
- examples/hooks/bash/sandbox-validation.sh (prod validation)

Updated (5 files):
- guide/sandbox-isolation.md: Section 4 "Native Claude Code Sandbox"
  * Comparison Native vs Docker (process-level vs microVM)
  * Updated TL;DR, comparison matrix, decision tree
- guide/architecture.md: Native Sandbox sub-section in Security Model
- machine-readable/reference.yaml: +24 sandbox entries
- VERSION: 3.21.0 → 3.21.1
- README.md: Templates 100→103, Evaluations 44→45
- CHANGELOG.md: v3.21.1 entry

Closes critical security documentation gap (~1800 words missing).
Fact-checked 100%, agent-challenged (technical-writer), production-ready.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
2026-02-02 20:24:17 +01:00
..
images docs: update template count badge (82 → 83) 2026-01-25 13:30:40 +01:00
workflows docs: add Addy Osmani spec-writing evaluation (4/5) + spec-first.md sections 2026-02-01 21:30:34 +01:00
adoption-approaches.md feat(guide): add Production Safety Rules (v3.9.11) 2026-01-21 11:23:50 +01:00
ai-ecosystem.md docs: add Alan Tour Eiffel paradigm evaluation (5/5 CRITICAL) 2026-02-02 14:21:51 +01:00
ai-traceability.md docs: add AI Traceability & Attribution guide 2026-01-24 20:11:53 +01:00
architecture.md docs: add Native Sandboxing comprehensive documentation (v3.21.1) 2026-02-02 20:24:17 +01:00
cheatsheet.md chore: bump version to 3.21.0 and update documentation 2026-02-02 18:25:09 +01:00
claude-code-releases.md docs: add API Structured Outputs GA mention (2026-01-29) 2026-02-02 11:07:59 +01:00
cowork.md chore: remove cowork folder after migration to dedicated repo 2026-01-20 12:16:32 +01:00
data-privacy.md docs: add Anthropic governance resources 2026-01-26 09:31:19 +01:00
devops-sre.md feat: add DevOps & SRE Guide with FIRE Framework (v3.9.9) 2026-01-20 22:09:31 +01:00
known-issues.md docs: add verified critical bugs tracker (known-issues.md) 2026-01-28 17:59:16 +01:00
learning-with-ai.md release: v3.20.1 - Vercel AGENTS.md vs Skills evaluation 2026-01-30 21:45:14 +01:00
mcp-servers-ecosystem.md docs: add MCP servers ecosystem references 2026-01-28 20:21:42 +01:00
methodologies.md docs: add resource evaluation process documentation 2026-01-26 15:10:24 +01:00
observability.md docs: add third-party-tools.md links to guide index and observability 2026-02-01 22:59:36 +01:00
production-safety.md docs: add Alan Tour Eiffel paradigm evaluation (5/5 CRITICAL) 2026-02-02 14:21:51 +01:00
README.md docs: add third-party-tools.md links to guide index and observability 2026-02-01 22:59:36 +01:00
sandbox-isolation.md docs: add Native Sandboxing comprehensive documentation (v3.21.1) 2026-02-02 20:24:17 +01:00
sandbox-native.md docs: add Native Sandboxing comprehensive documentation (v3.21.1) 2026-02-02 20:24:17 +01:00
search-tools-cheatsheet.md docs: add search tools guides and ast-grep patterns 2026-01-25 18:47:29 +01:00
security-hardening.md release: v3.20.6 - agentskills.io integration + 4 resource evaluations 2026-02-01 16:49:33 +01:00
third-party-tools.md docs: RTK documentation update - upstream + fork integration 2026-02-01 22:20:43 +01:00
ultimate-guide.md chore: bump version to 3.21.0 and update documentation 2026-02-02 18:25:09 +01:00
visual-reference.md release: v3.20.5 - 4 new ASCII diagrams (visual-reference.md) 2026-01-31 23:14:41 +01:00

Guide Documentation

Core documentation for mastering Claude Code.

Contents

File Description Time
ultimate-guide.md Complete reference covering all Claude Code features ~3 hours
mcp-servers-ecosystem.md Community MCP servers: 8 validated servers (Playwright, Semgrep, Kubernetes, etc.) with production configs 25 min
third-party-tools.md Community tools: GUIs, TUIs, config managers, token trackers, alternative UIs 15 min
claude-code-releases.md Official release history (condensed) 10 min
known-issues.md Critical bugs tracker: security issues, token consumption, verified community reports 15 min
cheatsheet.md 1-page printable quick reference 5 min
visual-reference.md Visual cheatsheet — ASCII diagrams for key concepts 5 min
architecture.md How Claude Code works internally (master loop, tools, context) 25 min
learning-with-ai.md Guide for juniors on using AI without losing skills 15 min
adoption-approaches.md Implementation strategies for teams 15 min
data-privacy.md Data retention and privacy guide 10 min
observability.md Session monitoring and cost tracking 15 min
methodologies.md 15 development methodologies reference (TDD, SDD, BDD, etc.) 20 min
security-hardening.md Security threats, MCP vetting, injection defense 25 min
ai-traceability.md AI attribution, disclosure policies, git-ai, compliance 20 min
devops-sre.md FIRE framework for infrastructure diagnosis and incident response 30 min
sandbox-isolation.md Docker Sandboxes, cloud alternatives, safe autonomy workflows 10 min
ai-ecosystem.md Complementary AI tools (Perplexity, Gemini, Kimi, NotebookLM, TTS) 30 min
cowork.md Claude Cowork: Summary (see dedicated repo for full docs) 5 min
workflows/ Practical workflow guides for Claude Code 30 min

Cowork Documentation

For knowledge workers using Claude Cowork (agentic desktop):

Resource Description
Cowork Hub Complete Cowork documentation
Getting Started Setup and first workflow
Capabilities What Cowork can/cannot do
Security Guide Safe usage practices
Prompt Library 50+ ready-to-use prompts
Cheatsheet 1-page quick reference

Workflows

Hands-on guides for effective development patterns:

File Description
workflows/tdd-with-claude.md Test-Driven Development with Claude
workflows/spec-first.md Spec-First Development (SDD)
workflows/plan-driven.md Using /plan mode effectively
workflows/iterative-refinement.md Iterative improvement loops
workflows/tts-setup.md Add text-to-speech narration to Claude Code (18 min)
workflows/task-management.md Multi-session task tracking, TodoWrite migration
  1. New users: Start with Quick Start section in ultimate-guide.md
  2. Daily reference: Print cheatsheet.md
  3. Team leads: Read adoption-approaches.md for rollout strategies

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