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Claude Code Guide

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Guide

Guide Browse the newest additions or open the complete documentation map. Browse the complete guide →

Latest references

Translations and Language Status Read the canonical, maintained, and community editions with explicit version, sync date, and coverage status. Agent Harness Landscape Compare 192 projects while separating strict runtimes, control planes, repository harnesses, and adjacent infrastructure. Practitioner Insights Trace field reports and academic evidence back to named speakers, videos, papers, and explicit limits.

New workflows

Monitor & Safe Event Delegation Turn external events into verified, deduplicated, gated, and isolated agent work. Agentic Software Factories Move from one coding session to governed multi-run production without adding a control plane too early. Team AI Instructions Scale shared AI instructions across a team while preserving ownership, review, and local autonomy.

Start

Start Learn Claude Code and choose the path that fits your role.

Get started

Quick Start Install Claude Code and complete a first task. Learning Paths Follow a structured path from first use to team practice. Knowledge Quiz Test your knowledge across tools, workflows, and safety. AI Roles Find the responsibilities and skills closest to your work.

By role

Product Managers Use specs, prototypes, and review without losing product judgment. Tech Leads Standardize configuration, review, and team rollout. CTOs Frame the business case, controls, and adoption signals. CIOs & CEOs Read the executive brief and decision boundaries.

Build

Build Engineer agents, context, workflows, and tool integrations.

Engineering

Agent Engineering Design bounded loops, graphs, checkpoints, and recovery. Context Configurator Choose a context strategy for your repository and task. Context Engineering Tools Compare compression, RAG, gateways, and LLMOps tools. Memory Systems Choose native, cross-session, or team-shared memory. Workflows Use runnable patterns for planning, delivery, and delegation. Methodologies Select a disciplined AI-assisted development approach.

MCP & tools

Claude Code Guide MCP Server Install and use the public guide MCP server. MCP Technical Guide Inspect architecture, privacy, tools, and troubleshooting. MCP or CLI? Get an interactive recommendation for your situation. MCP vs CLI Reference Compare trade-offs and choose the smallest interface. Ecosystem Explore complementary tools and multi-provider workflows. CLAUDE.md Best Practices Structure durable project instructions and boundaries. AI Coding Tools Comparison Compare Claude Code with other AI coding tools.

Featured projects

🌉CC-Copilot BridgeCLI router↗⚡RTKCLI proxy↗

Explore all 16 projects →

Scale

Scale Make agent systems reliable, governable, and sustainable.

Reliability

AI Agent Security Assess threats, MCP risk, permissions, and defenses. Agent Harness Engineering Build the control and verification layer around the model. Agent Evaluation Measure quality, behavior, and regressions across runs. Observability Trace reliability, failures, cost, and recovery. Production Safety Add guardrails, review gates, rollback, and resilience. Data Privacy Control sensitive data, retention, and access.

Organization & Economics

Enterprise Governance Define usage charters, approvals, and risk tiers. Team Adoption Plan rollout, trust calibration, and shared practice. Team Metrics Measure outcomes without turning proxies into productivity. Team Knowledge Preserve and share operational context across teams. Subscription Strategy Choose seats, APIs, gateways, and provider portfolios. AI Unit Economics Understand accepted-task cost and spend controls.

Featured projects

📊CCBoardTUI + Web↗📈cc-skill-usageCLI↗

Explore all 16 projects →

Resources

Resources Choose the format that fits the task and depth you need.

Reference

All Resources Browse the curated resource hub. Quick Reference Keep essential commands on one printable page. Cheat Sheets Use compact technical, methodology, and design cards. Examples Reuse production-ready agents, hooks, commands, and skills. Diagrams Inspect visual maps of architectures and workflows. Glossary Look up Claude Code and agent-engineering terminology.

Library & projects

Ebooks Read long-form guides and research in PDF. Offline Downloads Get PDF and EPUB editions in English and French. FAQ Find direct answers to recurring questions. Related Projects Explore open-source companion tools from the author. Blog ↗ Read field notes and longer engineering articles.

Updates

Updates Track guide changes and Claude Code releases separately.

Follow changes

Guide Changelog See new pages, corrections, and major revisions. Claude Code Releases Track product changes and their operational impact. RSS Feed Follow updates in your preferred reader.

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SEP 2026 Latest guide updates. Latest: Skill Governance · Skill Lifecycle · Skills vs Harnesses · Changelog →

Home › Glossary › Plan Mode

Claude Code Modes

Plan Mode

Read-only mode where Claude can analyze, search, and propose but cannot modify files. Activated with Shift+Tab or `/plan`.

Related terms in Modes

Act Mode Normal execution mode where Claude can read, write, and run commands. Opposite of Plan Mode.
Fast Mode Mode (v2.1.36+) running 2.5x faster at 6x the token cost, on the same underlying model. Toggle with...

See all 177 terms

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Claude Code from beginner to power user.

Documentation

Ultimate Guide
MCP Server
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Architecture
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Resources

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Context
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LLM Reference

Community

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Ecosystem

Cowork Guide
ccboard
cc-copilot-bridge
RTK
StarMapper
node-dep-scope
ctxharness
cc-sessions
google-search-console-mcp
youtube-video-insights
github-roast-tpc
flow-lean
cc-skill-usage
Blog & Portfolio

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