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.
Publish, review, organize, and share work with Artifact Server, or operate an installation when the user explicitly requests administrator work.
Apache-2.0Auto-check passed
Install Artifact Server
$ npx skills add plannotator/artifact-server --skill artifact-server -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install plannotator/artifact-server artifact-server --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/plannotator/artifact-server.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/artifact-server .claude/skills/artifact-server && 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 "artifact-server" agent skill from https://github.com/plannotator/artifact-server/tree/main/skills/artifact-server into .claude/skills/artifact-server/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "artifact-server", 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/plannotator/artifact-server/tree/main/skills/artifact-serverType 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 plannotator/artifact-server --skill artifact-server -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install plannotator/artifact-server artifact-server --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/plannotator/artifact-server.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/artifact-server .agents/skills/artifact-server && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "artifact-server" agent skill from https://github.com/plannotator/artifact-server/tree/main/skills/artifact-server into .agents/skills/artifact-server/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "artifact-server", 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 plannotator/artifact-server --skill artifact-server -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install plannotator/artifact-server artifact-server --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/plannotator/artifact-server.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/artifact-server .cursor/skills/artifact-server && 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 "artifact-server" agent skill from https://github.com/plannotator/artifact-server/tree/main/skills/artifact-server into .cursor/skills/artifact-server/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "artifact-server", 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/plannotator/artifact-server.git --path skills/artifact-server--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 plannotator/artifact-server --skill artifact-server -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install plannotator/artifact-server artifact-server --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/plannotator/artifact-server.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/artifact-server .gemini/skills/artifact-server && 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 "artifact-server" agent skill from https://github.com/plannotator/artifact-server/tree/main/skills/artifact-server into .gemini/skills/artifact-server/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "artifact-server", 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 plannotator/artifact-server artifact-serverInstalls 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 plannotator/artifact-server --skill artifact-server -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/plannotator/artifact-server.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/artifact-server .github/skills/artifact-server && 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 "artifact-server" agent skill from https://github.com/plannotator/artifact-server/tree/main/skills/artifact-server into .github/skills/artifact-server/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "artifact-server", 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 plannotator/artifact-server --skill artifact-server -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install plannotator/artifact-server artifact-server --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/plannotator/artifact-server.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/artifact-server .opencode/skills/artifact-server && 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 "artifact-server" agent skill from https://github.com/plannotator/artifact-server/tree/main/skills/artifact-server into .opencode/skills/artifact-server/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "artifact-server", 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
artifact-server- GitHub stars
- 199
- Token cost
- ~617 tokens
- SKILL.md length
- 257 words
- Files
- 7 (incl. references)
- Skills in repo
- 1
- Repo updated
- First seen
- Licence
- Apache-2.0
At a glance
Publish, review, organize, and share work with Artifact Server, or operate an installation when the user explicitly requests administrator work.
- Explicitly requests administrator work
- SKILL.md covers Route the request, Keep these boundaries and Report the result
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
- Artifact Server links
What it does
Artifact Server is an agent skill from plannotator/artifact-server. Publish, review, organize, and share work with Artifact Server, or operate an installation when the user explicitly requests administrator work. Use for Artifact Server links, files or sites to upload, project, artifact, version, tag, sharing, or comment work, connection help, and explicit install, deploy, upgrade, backup, restore, or repair requests. Do not use for unrelated package publishing or for building software that the user did not ask to store in Artifact Server.
Its SKILL.md is about 620 tokens, which your agent loads only when the skill is triggered. The skill folder holds 9 other files, including reference files (for example `agents/openai.yaml`, `evals/evals.json` and `references/artifact-operations.md`).
It works with Model Context Protocol. The repository describes itself as: Open source alternative to Claude artifacts. The licence is Apache-2.0.
When your agent uses it
- Explicitly requests administrator work
- Artifact Server links
- Sites to upload
- Connection help
Example prompts
- “/artifact-server”
What it can do on your machine
Read from SKILL.md and the folder at commit 5af28ac. 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
Artifact Server loads about 617 tokens when it runs, and up to ~4.2k if it reads all its reference files. Until then it costs about 123 tokens; SKILL.md has 257 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 plannotator/artifact-server at commit 5af28ac, republished under its Apache-2.0 licence (© plannotator). 257 words, ~617 tokens.
Download SKILL.mdSave it as
.claude/skills/artifact-server/SKILL.md (or your agent's skills folder). This skill also uses 6 other files; get the full folder from GitHub.- name
- artifact-server
- description
- Publish, review, organize, and share work with Artifact Server, or operate an installation when the user explicitly requests administrator work. Use for Artifact Server links, files or sites to upload, project, artifact, version, tag, sharing, or comment work, connection help, and explicit install, deploy, upgrade, backup, restore, or repair requests. Do not use for unrelated package publishing or for building software that the user did not ask to store in Artifact Server.
Artifact Server
Use one skill for Artifact Server work. Route the request before loading detailed instructions.
Route the request
- For publishing, updating, opening, sharing, commenting, tagging, comparing, restoring an artifact version, or managing projects, read artifact operations. Read target selection when the server or project is not already exact.
- For an explicit request to install, deploy, upgrade, reconfigure, back up, restore, inspect, repair, or delete an Artifact Server installation, read server operations. Do not load or follow administrator instructions for routine artifact work.
- Read failures and compatibility only after a failure, incompatibility, authentication problem, or ambiguous target.
If a request includes both artifact work and server administration, keep the steps separate and state which installation is affected before changing it.
Keep these boundaries
- Use the installed
artifactserverCLI for files on the user's machine. Use the connected Artifact Server MCP for work that needs only server data. - Never replace a real file with inline HTML, base64, invented bytes, or a local path sent to a remote MCP server.
- Never read, print, request in chat, or write bearer tokens, API keys, cookies, or refresh tokens.
- Keep public sharing off unless the user explicitly requests it.
- Verify success from structured CLI, MCP, HTTP, or deployment health results. Never infer success from a command that merely started.
Report the result
After publication, give the full-screen review-and-comment link first. Give the raw immutable artifact link second when it is useful. Include the server, project ID, artifact ID, and exact version ID in technical details rather than making the user reconstruct them.
© plannotator, Apache-2.0. 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 6 other files (references) in skills/artifact-server of plannotator/artifact-server.
- SKILL.md
- agents/openai.yaml
- evals/evals.json
- references/artifact-operations.md
- references/failures-and-compatibility.md
- references/server-operations.md
- references/target-selection.md
Open the folder on GitHubat commit 5af28ac
Compare with similar skills
Artifact Server 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 |
|---|---|---|---|---|---|---|
| Artifact Server this skillplannotator/artifact-server | 199 | — | ~617 | Automated safety check: Pass | Apache-2.0 | |
| MCP Server Builderanthropics/skills | 180k | 62 repos | ~2.3k | Automated safety check: Pass | Apache-2.0 | |
| MCP Server BuildershareAI-lab/learn-claude-code | 78k | 5 repos | ~1.2k | Automated safety check: Pass | MIT | |
| MCP Integration for Pluginsanthropics/claude-plugins-official | 37k | 11 repos | ~3.1k | Automated safety check: Pass | Apache-2.0 | |
| Figma use_figma Plugin API Ruleswarpdotdev/warp | 65k | 4 repos | ~4.4k | Automated safety check: Pass | AGPL-3.0 | |
| Stitch to Remotion Walkthrough Videosgoogle-labs-code/stitch-skills | 8.4k | 6 repos | ~3.2k | Automated safety check: Notes | Apache-2.0 |
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- Official
MCP Integration for Plugins
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Figma use_figma Plugin API Rules
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Required groundwork before any use_figma call: the rules and reference files for running JavaScript in a Figma file through the Plugin API without common failures.
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Related
Works with
Questions about Artifact Server
What does Artifact Server do?
Publish, review, organize, and share work with Artifact Server, or operate an installation when the user explicitly requests administrator work. Artifact Server is an agent skill from plannotator/artifact-server. Publish, review, organize, and share work with Artifact Server, or operate an installation when the user explicitly requests administrator work.
When should I use Artifact Server?
Artifact Server fits situations like: explicitly requests administrator work; artifact Server links; sites to upload; connection help.
How do I install Artifact Server in Claude Code?
Run `npx skills add plannotator/artifact-server --skill artifact-server -a claude-code`. Or copy the skill folder (skills/artifact-server in plannotator/artifact-server) into .claude/skills/artifact-server in your project. Claude Code loads it when a task matches its description.
How do I install Artifact Server in Codex?
Run `npx skills add plannotator/artifact-server --skill artifact-server -a codex`. Or copy the skill folder (skills/artifact-server in plannotator/artifact-server) into .agents/skills/artifact-server in your project. Codex loads it when a task matches its description.
Can I use Artifact Server 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 plannotator/artifact-server --skill artifact-server -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/artifact-server, .gemini/skills/artifact-server, .github/skills/artifact-server and .opencode/skills/artifact-server in your project.
What does Artifact Server need to run?
SKILL.md names no scripts, command-line tools or credentials: Artifact Server is instructions for the agent only.
Does Artifact Server 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 Artifact Server 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 Artifact Server use?
Artifact Server is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Artifact Server use?
About 617 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 3.5k tokens, read only when the agent opens those files.
What are the alternatives to Artifact Server?
Skills that share tags, products or a category with Artifact Server: MCP Server Builder (anthropics/skills, 180k stars), MCP Server Builder (shareAI-lab/learn-claude-code, 78k stars), MCP Integration for Plugins (anthropics/claude-plugins-official, 37k stars) and Figma use_figma Plugin API Rules (warpdotdev/warp, 65k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Artifact Server?
plannotator (a GitHub organization) maintains it in plannotator/artifact-server, which has 199 GitHub stars. The repository was last updated on October 5, 2026.
Source: plannotator/artifact-server on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.