Agent skill

Code Tour

by alirezarezvani in alirezarezvani/claude-skills

A skill your agent uses when the user asks to create a CodeTour .tour file — persona-targeted, step-by-step walkthroughs that link to real files and line numbers.

MITAuto-check passedDevelopment

Install Code Tour

skills CLI

$ npx skills add alirezarezvani/claude-skills --skill code-tour -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI

$ gh skill install alirezarezvani/claude-skills code-tour --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy

$ git clone --depth 1 https://github.com/alirezarezvani/claude-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/engineering/code-tour/skills/code-tour .claude/skills/code-tour && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Paste into Claude Code

Install the "code-tour" agent skill from https://github.com/alirezarezvani/claude-skills/tree/main/engineering/code-tour/skills/code-tour into .claude/skills/code-tour/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-tour", then confirm the skill loads.

Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

$skill-installer

$skill-installer install https://github.com/alirezarezvani/claude-skills/tree/main/engineering/code-tour/skills/code-tour

Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.

skills CLI

$ npx skills add alirezarezvani/claude-skills --skill code-tour -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install alirezarezvani/claude-skills code-tour --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/alirezarezvani/claude-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/engineering/code-tour/skills/code-tour .agents/skills/code-tour && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "code-tour" agent skill from https://github.com/alirezarezvani/claude-skills/tree/main/engineering/code-tour/skills/code-tour into .agents/skills/code-tour/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-tour", then confirm the skill loads.

Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add alirezarezvani/claude-skills --skill code-tour -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install alirezarezvani/claude-skills code-tour --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/alirezarezvani/claude-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/engineering/code-tour/skills/code-tour .cursor/skills/code-tour && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "code-tour" agent skill from https://github.com/alirezarezvani/claude-skills/tree/main/engineering/code-tour/skills/code-tour into .cursor/skills/code-tour/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-tour", then confirm the skill loads.

Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

gemini skills install

$ gemini skills install https://github.com/alirezarezvani/claude-skills.git --path engineering/code-tour/skills/code-tour

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add alirezarezvani/claude-skills --skill code-tour -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install alirezarezvani/claude-skills code-tour --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/alirezarezvani/claude-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/engineering/code-tour/skills/code-tour .gemini/skills/code-tour && rm -rf skills-src

Use ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.

Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/

Paste into Gemini CLI

Install the "code-tour" agent skill from https://github.com/alirezarezvani/claude-skills/tree/main/engineering/code-tour/skills/code-tour into .gemini/skills/code-tour/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-tour", then confirm the skill loads.

Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

GitHub CLI

$ gh skill install alirezarezvani/claude-skills code-tour

Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).

skills CLI

$ npx skills add alirezarezvani/claude-skills --skill code-tour -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/alirezarezvani/claude-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/engineering/code-tour/skills/code-tour .github/skills/code-tour && rm -rf skills-src

Use ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.

GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/

Paste into GitHub Copilot

Install the "code-tour" agent skill from https://github.com/alirezarezvani/claude-skills/tree/main/engineering/code-tour/skills/code-tour into .github/skills/code-tour/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-tour", then confirm the skill loads.

GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add alirezarezvani/claude-skills --skill code-tour -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install alirezarezvani/claude-skills code-tour --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/alirezarezvani/claude-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/engineering/code-tour/skills/code-tour .opencode/skills/code-tour && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "code-tour" agent skill from https://github.com/alirezarezvani/claude-skills/tree/main/engineering/code-tour/skills/code-tour into .opencode/skills/code-tour/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "code-tour", then confirm the skill loads.

OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

Facts

Skill name: code-tour
GitHub stars: 28k
Token cost: ~1.6k tokens
SKILL.md length: 692 words
Files: 1
Skills in repo: 342
Repo updated: Aug 30, 2026
First seen: Oct 7, 2026
Licence: MIT

At a glance

A skill your agent uses when the user asks to create a CodeTour .tour file — persona-targeted, step-by-step walkthroughs that link to real files and line numbers.

Works in 5 steps: Discover the repo → Infer the intent → Read actual files → …
The user asks to create a CodeTour .tour file — persona-targeted
SKILL.md covers Overview, When to Use This Skill, Core Workflow and Personas, plus 3 more sections
Reaches aka.ms

What it does

Code Tour is an agent skill from alirezarezvani/claude-skills. Use when the user asks to create a CodeTour .tour file — persona-targeted, step-by-step walkthroughs that link to real files and line numbers. Trigger for: create a tour, onboarding tour, architecture tour, PR review tour, explain how X works, vibe check, RCA tour, contributor guide, or any structured code walkthrough request.

Its SKILL.md is about 1.6k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Development, covering Codebase onboarding and Pull requests. The repository describes itself as: 380 Claude Code skills & agent skills & plugins (30+ Agents, 70+ custom commands, 380+ skills, customizable references, scripts)for Claude Code, Codex, Gemini CLI, Cursor, and 8… The licence is MIT.

When your agent uses it

The user asks to create a CodeTour .tour file — persona-targeted
Step-by-step walkthroughs that link to real files and line numbers
: create a tour
Onboarding tour

Example prompts

“/code-tour”

Workflow steps

5 steps, taken from the step headings in SKILL.md.

Discover the repo
Infer the intent
Read actual files
Write the tour
Validate

What it can do on your machine

Read from SKILL.md and the folder at commit 19392f7. It shows what the files ask for, not the result of running them.

Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are json).
From the folder's file list and the shell code blocks in SKILL.md.
Network
Hosts in commands or code, which the agent is likely to contact:
- aka.ms
Also links to:
- github.com
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Code Tour loads about 1.6k tokens when it runs. Until then it costs about 85 tokens; SKILL.md has 692 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~85
When it runs · the whole SKILL.md, loaded when a task matches: ~1.6k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from alirezarezvani/claude-skills at commit 19392f7, republished under its MIT licence (© alirezarezvani). 692 words, ~1,573 tokens.

Download SKILL.mdSave it as .claude/skills/code-tour/SKILL.md (or your agent's skills folder).

name: code-tour
description: Use when the user asks to create a CodeTour .tour file — persona-targeted, step-by-step walkthroughs that link to real files and line numbers. Trigger for: create a tour, onboarding tour, architecture tour, PR review tour, explain how X works, vibe check, RCA tour, contributor guide, or any structured code walkthrough request.

Code Tour

Create CodeTour files — persona-targeted, step-by-step walkthroughs of a codebase that link directly to files and line numbers. CodeTour files live in .tours/ and work with the VS Code CodeTour extension.

Overview

A great tour is a narrative — a story told to a specific person about what matters, why it matters, and what to do next. Only create .tour JSON files. Never modify source code.

When to Use This Skill

User asks to create a code tour, onboarding tour, or architecture walkthrough
User says "tour for this PR", "explain how X works", "vibe check", "RCA tour"
User wants a contributor guide, security review, or bug investigation walkthrough
Any request for a structured walkthrough with file/line anchors

Core Workflow

1. Discover the repo

Before asking anything, explore the codebase:

In parallel: list root directory, read README, check config files. Then: identify language(s), framework(s), project purpose. Map folder structure 1-2 levels deep. Find entry points — every path in the tour must be real.

If the repo has fewer than 5 source files, create a quick-depth tour regardless of persona — there's not enough to warrant a deep one.

2. Infer the intent

One message should be enough. Infer persona, depth, and focus silently.

User says	Persona	Depth
"tour for this PR"	pr-reviewer	standard
"why did X break" / "RCA"	rca-investigator	standard
"onboarding" / "new joiner"	new-joiner	standard
"quick tour" / "vibe check"	vibecoder	quick
"architecture"	architect	deep
"security" / "auth review"	security-reviewer	standard
(no qualifier)	new-joiner	standard

When intent is ambiguous, default to new-joiner persona at standard depth — it's the most generally useful.

3. Read actual files

Every file path and line number must be verified. A tour pointing to the wrong line is worse than no tour.

4. Write the tour

Save to .tours/<persona>-<focus>.tour.

json

{
  "$schema": "https://aka.ms/codetour-schema",
  "title": "Descriptive Title — Persona / Goal",
  "description": "Who this is for and what they'll understand after.",
  "ref": "<current-branch-or-commit>",
  "steps": []
}

Step types

Type	When to use	Example
Content	Intro/closing only (max 2)	`{ "title": "Welcome", "description": "..." }`
Directory	Orient to a module	`{ "directory": "src/services", "title": "..." }`
File + line	The workhorse	`{ "file": "src/auth.ts", "line": 42, "title": "..." }`
Selection	Highlight a code block	`{ "file": "...", "selection": {...}, "title": "..." }`
Pattern	Regex match (volatile files)	`{ "file": "...", "pattern": "class App", "title": "..." }`
URI	Link to PR, issue, doc	`{ "uri": "https://...", "title": "..." }`

Step count

Depth	Steps	Use for
Quick	5-8	Vibecoder, fast exploration
Standard	9-13	Most personas
Deep	14-18	Architect, RCA

Writing descriptions — SMIG formula

S — Situation: What is the reader looking at?
M — Mechanism: How does this code work?
I — Implication: Why does this matter for this persona?
G — Gotcha: What would a smart person get wrong?

Show full SKILL.md (288 more words)Show less

5. Validate

Every file path relative to repo root (no leading / or ./)
Every file confirmed to exist
Every line verified by reading the file
First step has file or directory anchor
At most 2 content-only steps
nextTour matches another tour's title exactly if set

Personas

Persona	Goal	Must cover
Vibecoder	Get the vibe fast	Entry point, main modules. Max 8 steps.
New joiner	Structured ramp-up	Directories, setup, business context
Bug fixer	Root cause fast	Trigger -> fault points -> tests
RCA investigator	Why did it fail	Causality chain, observability anchors
Feature explainer	End-to-end	UI -> API -> backend -> storage
PR reviewer	Review correctly	Change story, invariants, risky areas
Architect	Shape and rationale	Boundaries, tradeoffs, extension points
Security reviewer	Trust boundaries	Auth flow, validation, secret handling
Refactorer	Safe restructuring	Seams, hidden deps, extraction order
External contributor	Contribute safely	Safe areas, conventions, landmines

Narrative Arc

Orientation — file or directory step (never content-only first step — blank in VS Code)
High-level map — 1-3 directory steps showing major modules
Core path — file/line steps, the heart of the tour
Closing — what the reader can now do, suggested follow-ups

Anti-Patterns

Anti-pattern	Fix
File listing — "this file contains the models"	Tell a story. Each step depends on the previous.
Generic descriptions	Name the specific pattern unique to this codebase.
Line number guessing	Never write a line you didn't verify by reading.
Too many steps for quick depth	Actually cut steps.
Hallucinated files	If it doesn't exist, skip the step.
Recap closing — "we covered X, Y, Z"	Tell the reader what they can now do.
Content-only first step	Anchor step 1 to a file or directory.

Cross-References

Related: engineering/codebase-onboarding — for broader onboarding beyond tours
Related: engineering/pr-review-expert — for automated PR review workflows
CodeTour extension: microsoft/codetour
Real-world tours: coder/code-server

Files

Just SKILL.md in engineering/code-tour/skills/code-tour of alirezarezvani/claude-skills.

Open the folder on GitHubat commit 19392f7

Compare with similar skills

Code Tour next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Code Tour compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
Code Tour this skillalirezarezvani/claude-skills	28k	—	~1.6k	Automated safety check: Pass	MIT	1 mo ago
Adopt PR Branch Contextpydantic/pydantic-ai-harness	946	—	~1.8k	Automated safety check: Pass	MIT	4 days ago
Compasscrabbuild/compass	168	—	~5k	Automated safety check: Pass	Custom licence	4 days ago
Slm Graphqualixar/superlocalmemory	227	—	~2.7k	Automated safety check: Notes	AGPL-3.0	today
Onboard Team Area in Databricks CLIdatabricks/cli	404	—	~851	Automated safety check: Notes	Custom licence	today
CodeScope Codebase Graph AnalysisQwenLM/qwen-code	28k	1 repos	~9.3k	Automated safety check: Pass	Apache-2.0	today

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Questions about Code Tour

What does Code Tour do?

A skill your agent uses when the user asks to create a CodeTour .tour file — persona-targeted, step-by-step walkthroughs that link to real files and line numbers. Code Tour is an agent skill from alirezarezvani/claude-skills.tour file — persona-targeted, step-by-step walkthroughs that link to real files and line numbers.

When should I use Code Tour?

Code Tour fits situations like: the user asks to create a CodeTour .tour file — persona-targeted; step-by-step walkthroughs that link to real files and line numbers; : create a tour; onboarding tour.

How do I install Code Tour in Claude Code?

Run `npx skills add alirezarezvani/claude-skills --skill code-tour -a claude-code`. Or copy the skill folder (engineering/code-tour/skills/code-tour in alirezarezvani/claude-skills) into .claude/skills/code-tour in your project. Claude Code loads it when a task matches its description.

How do I install Code Tour in Codex?

Run `npx skills add alirezarezvani/claude-skills --skill code-tour -a codex`. Or copy the skill folder (engineering/code-tour/skills/code-tour in alirezarezvani/claude-skills) into .agents/skills/code-tour in your project. Codex loads it when a task matches its description.

Can I use Code Tour in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add alirezarezvani/claude-skills --skill code-tour -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/code-tour, .gemini/skills/code-tour, .github/skills/code-tour and .opencode/skills/code-tour in your project.

What does Code Tour need to run?

SKILL.md names no scripts, command-line tools or credentials: Code Tour is instructions for the agent only.

Does Code Tour access the network?

SKILL.md names 2 domains. In commands or code: aka.ms; the agent is likely to contact it when it follows the instructions. As links in the text: github.com. This is read from the text; nothing was executed.

Is Code Tour safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Code Tour use?

Code Tour is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Code Tour use?

About 1.6k tokens (SKILL.md is roughly 6.3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Code Tour?

Skills that share tags, products or a category with Code Tour: Adopt PR Branch Context (pydantic/pydantic-ai-harness, 946 stars), Compass (crabbuild/compass, 168 stars), Slm Graph (qualixar/superlocalmemory, 227 stars) and Onboard Team Area in Databricks CLI (databricks/cli, 404 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Code Tour?

alirezarezvani (a GitHub user) maintains it in alirezarezvani/claude-skills, which has 27,788 GitHub stars. The repository holds 342 skills in this directory. The repository was last updated on August 30, 2026.

Source: alirezarezvani/claude-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Install Code Tour

Facts

At a glance

What it does

When your agent uses it

Example prompts

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Code Tour

Overview

When to Use This Skill

Core Workflow

1. Discover the repo

2. Infer the intent

3. Read actual files

4. Write the tour

Step types

Step count

Writing descriptions — SMIG formula

5. Validate

Personas

Narrative Arc

Anti-Patterns

Cross-References

Files

Compare with similar skills

Similar skills

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Related

Questions about Code Tour