MCP Server Builder
anthropics/skills
Guides the design and implementation of Model Context Protocol servers in TypeScript or Python, from tool naming and error messages to evaluation.
Get developers to "Hello World" fast with optimized quickstarts, tutorials, and sample apps.
MITAuto-check passed
Install Developer Onboarding
$ npx skills add sickn33/agentic-awesome-skills --skill developer-onboarding -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install sickn33/agentic-awesome-skills developer-onboarding --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/developer-onboarding .claude/skills/developer-onboarding && rm -rf skills-srcUse ~/.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/
Install the "developer-onboarding" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/developer-onboarding into .claude/skills/developer-onboarding/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "developer-onboarding", 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 install https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/developer-onboardingType 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.
$ npx skills add sickn33/agentic-awesome-skills --skill developer-onboarding -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install sickn33/agentic-awesome-skills developer-onboarding --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/developer-onboarding .agents/skills/developer-onboarding && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "developer-onboarding" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/developer-onboarding into .agents/skills/developer-onboarding/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "developer-onboarding", 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.
$ npx skills add sickn33/agentic-awesome-skills --skill developer-onboarding -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install sickn33/agentic-awesome-skills developer-onboarding --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/developer-onboarding .cursor/skills/developer-onboarding && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "developer-onboarding" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/developer-onboarding into .cursor/skills/developer-onboarding/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "developer-onboarding", 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 https://github.com/sickn33/agentic-awesome-skills.git --path skills/developer-onboarding--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add sickn33/agentic-awesome-skills --skill developer-onboarding -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install sickn33/agentic-awesome-skills developer-onboarding --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/developer-onboarding .gemini/skills/developer-onboarding && rm -rf skills-srcUse ~/.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/
Install the "developer-onboarding" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/developer-onboarding into .gemini/skills/developer-onboarding/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "developer-onboarding", 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.
$ gh skill install sickn33/agentic-awesome-skills developer-onboardingInstalls 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).
$ npx skills add sickn33/agentic-awesome-skills --skill developer-onboarding -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/developer-onboarding .github/skills/developer-onboarding && rm -rf skills-srcUse ~/.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/
Install the "developer-onboarding" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/developer-onboarding into .github/skills/developer-onboarding/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "developer-onboarding", 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.
$ npx skills add sickn33/agentic-awesome-skills --skill developer-onboarding -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install sickn33/agentic-awesome-skills developer-onboarding --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/sickn33/agentic-awesome-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/developer-onboarding .opencode/skills/developer-onboarding && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "developer-onboarding" agent skill from https://github.com/sickn33/agentic-awesome-skills/tree/main/skills/developer-onboarding into .opencode/skills/developer-onboarding/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "developer-onboarding", 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
developer-onboarding- GitHub stars
- 47k
- Used in
- 1 other repo
- Token cost
- ~627 tokens
- SKILL.md length
- 263 words
- Files
- 3 (incl. references)
- Skills in repo
- 1,394
- Repo updated
- First seen
- Licence
- MIT
At a glance
Get developers to "Hello World" fast with optimized quickstarts, tutorials, and sample apps.
- SKILL.md covers Detailed Guide, When to Use, Examples from Real Developer… and Limitations
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Developer Onboarding is an agent skill from sickn33/agentic-awesome-skills. Get developers to "Hello World" fast with optimized quickstarts, tutorials, and sample apps.
Its SKILL.md is about 630 tokens, which your agent loads only when the skill is triggered. The skill folder holds 3 other files, including reference files (for example `README.md` and `references/detailed-guide.md`).
The repository describes itself as: AAS Core is the local, agent-first control plane for complete catalog discovery, agent-owned selection, stack validation, and planning, backed by 2,400+ agentic skills. Includes… The licence is MIT.
Example prompts
- “Hello World”
- “/developer-onboarding”
What it can do on your machine
Read from SKILL.md and the folder at commit 1e53ce2. 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.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
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
Developer Onboarding loads about 627 tokens when it runs, and up to ~3.8k if it reads all its reference files. Until then it costs about 28 tokens; SKILL.md has 263 words of instructions outside code blocks.
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 sickn33/agentic-awesome-skills at commit 1e53ce2, republished under its MIT licence (© sickn33). 263 words, ~627 tokens.
Download SKILL.mdSave it as
.claude/skills/developer-onboarding/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.- name
- developer-onboarding
- description
- Get developers to "Hello World" fast with optimized quickstarts, tutorials, and sample apps.
- risk
- critical
- source
- https://github.com/jonathimer/devmarketing-skills/tree/main/skills/developer-onboarding
- source_repo
- jonathimer/devmarketing-skills
- source_type
- community
- date_added
- 2026-07-01
- license
- MIT
- license_source
- https://github.com/jonathimer/devmarketing-skills/blob/main/LICENSE
Developer Onboarding
Detailed Guide
Read the detailed guide before executing this skill. It retains the complete procedure and reference material. Treat its safety, prerequisites, and validation requirements as mandatory. For focused work, load the relevant sections; for end-to-end work, read the guide completely.
When to Use
Use this skill when you need get developers to "Hello World" fast with optimized quickstarts, tutorials, and sample apps. Trigger phrases: developer onboarding, time to first value, quickstart guide, hello world tutorial, developer activation, onboarding checklist, sample apps, getting started experience, reduce...
Get developers from signup to working code as fast as possible, then guide them to deeper engagement.
Examples from Real Developer Tools
Excellent Onboarding: Stripe
- Test API keys visible immediately
- Interactive "make your first charge" in dashboard
- Language-specific code examples
- Error messages include fix suggestions
- Progress indicator shows completion
Excellent Onboarding: Railway
- One-click template deploys
- No configuration required for common frameworks
- Live preview URL in seconds
- Clear free tier limits shown
Excellent Onboarding: Planetscale
- Interactive database explorer
- Import from existing database offered
- SQL examples match your schema
- Branch workflow explained with visuals
Poor Onboarding Patterns to Avoid
- Multi-step wizards that can't be skipped
- "Complete your profile" blocking code access
- Documentation requiring search to find quickstart
- Quickstarts that assume too much setup
- Error messages without guidance
Limitations
- Use this skill only when the task clearly matches its upstream source and local project context.
- Verify commands, generated code, dependencies, credentials, and external service behavior before applying changes.
- Do not treat examples as a substitute for environment-specific tests, security review, or user approval for destructive or costly actions.
© sickn33, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 2 other files (references) in skills/developer-onboarding of sickn33/agentic-awesome-skills.
- SKILL.md
- README.md
- references/detailed-guide.md
Open the folder on GitHubat commit 1e53ce2
Used in 1 other repository
We found 5 copies of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in sickn33/agentic-awesome-skills, which our catalogue first saw on October 7, 2026.
Compare with similar skills
Developer Onboarding 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Developer Onboarding this skillsickn33/agentic-awesome-skills | 47k | 1 repos | ~627 | Automated safety check: Pass | MIT | |
| MCP Server Builderanthropics/skills | 180k | 62 repos | ~2.3k | Automated safety check: Pass | Apache-2.0 | |
| Finishing a Development Branchobra/superpowers | 296k | 5 repos | ~1.9k | Automated safety check: Pass | MIT | |
| Hook Development for Claude Code Pluginsanthropics/claude-plugins-official | 37k | 11 repos | ~4.1k | Automated safety check: Notes | Apache-2.0 | |
| Agent Browser CLIvercel-labs/agent-browser | 44k | 24 repos | ~864 | Automated safety check: Pass | Apache-2.0 | |
| Typescript Advanced Typesrolling-scopes/rsschool-app | 10k | 24 repos | ~4.2k | Automated safety check: Pass | MPL-2.0 |
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Questions about Developer Onboarding
What does Developer Onboarding do?
Get developers to "Hello World" fast with optimized quickstarts, tutorials, and sample apps. Developer Onboarding is an agent skill from sickn33/agentic-awesome-skills. Get developers to "Hello World" fast with optimized quickstarts, tutorials, and sample apps.
How do I install Developer Onboarding in Claude Code?
Run `npx skills add sickn33/agentic-awesome-skills --skill developer-onboarding -a claude-code`. Or copy the skill folder (skills/developer-onboarding in sickn33/agentic-awesome-skills) into .claude/skills/developer-onboarding in your project. Claude Code loads it when a task matches its description.
How do I install Developer Onboarding in Codex?
Run `npx skills add sickn33/agentic-awesome-skills --skill developer-onboarding -a codex`. Or copy the skill folder (skills/developer-onboarding in sickn33/agentic-awesome-skills) into .agents/skills/developer-onboarding in your project. Codex loads it when a task matches its description.
Can I use Developer Onboarding 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 sickn33/agentic-awesome-skills --skill developer-onboarding -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/developer-onboarding, .gemini/skills/developer-onboarding, .github/skills/developer-onboarding and .opencode/skills/developer-onboarding in your project.
What does Developer Onboarding need to run?
SKILL.md names no scripts, command-line tools or credentials: Developer Onboarding is instructions for the agent only.
Does Developer Onboarding access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Developer Onboarding 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 Developer Onboarding use?
Developer Onboarding is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Developer Onboarding use?
About 627 tokens (SKILL.md is roughly 2.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 3.1k tokens, read only when the agent opens those files.
What are the alternatives to Developer Onboarding?
Skills that share tags, products or a category with Developer Onboarding: MCP Server Builder (anthropics/skills, 180k stars), Finishing a Development Branch (obra/superpowers, 296k stars), Hook Development for Claude Code Plugins (anthropics/claude-plugins-official, 37k stars) and Agent Browser CLI (vercel-labs/agent-browser, 44k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Developer Onboarding?
sickn33 (a GitHub user) maintains it in sickn33/agentic-awesome-skills, which has 47,304 GitHub stars. The repository holds 1,394 skills in this directory. The repository was last updated on October 6, 2026.
Source: sickn33/agentic-awesome-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.