Chatgpt App Builder
alpic-ai/skybridge
Guide developers through creating and updating ChatGPT plugins.
Instrument a Node/TypeScript MCP server with Amplitude's @amplitude/mcp-analytics SDK so tool calls, sessions, and rationale are tracked as Amplitude events.
Install Instrument MCP Server
$ npx skills add amplitude/builder-skills --skill instrument-mcp-server -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install amplitude/builder-skills instrument-mcp-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/amplitude/builder-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/engineering-skills/skills/instrument-mcp-server .claude/skills/instrument-mcp-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 "instrument-mcp-server" agent skill from https://github.com/amplitude/builder-skills/tree/main/engineering-skills/skills/instrument-mcp-server into .claude/skills/instrument-mcp-server/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "instrument-mcp-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/amplitude/builder-skills/tree/main/engineering-skills/skills/instrument-mcp-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 amplitude/builder-skills --skill instrument-mcp-server -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install amplitude/builder-skills instrument-mcp-server --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/amplitude/builder-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/engineering-skills/skills/instrument-mcp-server .agents/skills/instrument-mcp-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 "instrument-mcp-server" agent skill from https://github.com/amplitude/builder-skills/tree/main/engineering-skills/skills/instrument-mcp-server into .agents/skills/instrument-mcp-server/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "instrument-mcp-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 amplitude/builder-skills --skill instrument-mcp-server -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install amplitude/builder-skills instrument-mcp-server --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/amplitude/builder-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/engineering-skills/skills/instrument-mcp-server .cursor/skills/instrument-mcp-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 "instrument-mcp-server" agent skill from https://github.com/amplitude/builder-skills/tree/main/engineering-skills/skills/instrument-mcp-server into .cursor/skills/instrument-mcp-server/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "instrument-mcp-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/amplitude/builder-skills.git --path engineering-skills/skills/instrument-mcp-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 amplitude/builder-skills --skill instrument-mcp-server -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install amplitude/builder-skills instrument-mcp-server --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/amplitude/builder-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/engineering-skills/skills/instrument-mcp-server .gemini/skills/instrument-mcp-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 "instrument-mcp-server" agent skill from https://github.com/amplitude/builder-skills/tree/main/engineering-skills/skills/instrument-mcp-server into .gemini/skills/instrument-mcp-server/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "instrument-mcp-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 amplitude/builder-skills instrument-mcp-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 amplitude/builder-skills --skill instrument-mcp-server -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/amplitude/builder-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/engineering-skills/skills/instrument-mcp-server .github/skills/instrument-mcp-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 "instrument-mcp-server" agent skill from https://github.com/amplitude/builder-skills/tree/main/engineering-skills/skills/instrument-mcp-server into .github/skills/instrument-mcp-server/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "instrument-mcp-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 amplitude/builder-skills --skill instrument-mcp-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 amplitude/builder-skills instrument-mcp-server --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/amplitude/builder-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/engineering-skills/skills/instrument-mcp-server .opencode/skills/instrument-mcp-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 "instrument-mcp-server" agent skill from https://github.com/amplitude/builder-skills/tree/main/engineering-skills/skills/instrument-mcp-server into .opencode/skills/instrument-mcp-server/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "instrument-mcp-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
instrument-mcp-server- GitHub stars
- 159
- Token cost
- ~2.2k tokens
- SKILL.md length
- 1,045 words
- Files
- 1
- Skills in repo
- 61
- Repo updated
- First seen
- Licence
- None found
At a glance
Instrument a Node/TypeScript MCP server with Amplitude's @amplitude/mcp-analytics SDK so tool calls, sessions, and rationale are tracked as Amplitude events.
- Works in 4 steps: Install the SDK and track tool calls… → Get identity right (required, do this… → Capture rationale (recommended) → …
- The user wants to add Amplitude analytics to their MCP server
- SKILL.md covers Before you start, Step 1 — Install the SDK and…, Step 2 — Get identity right… and Step 3 — Capture rationale…, plus 3 more sections
- Calls pnpm
What it does
Instrument MCP Server is an agent skill from amplitude/builder-skills. Instrument a Node/TypeScript MCP server with Amplitude's @amplitude/mcp-analytics SDK so tool calls, sessions, and rationale are tracked as Amplitude events. Use this skill whenever the user wants to add Amplitude analytics to their MCP server, mentions "MCP Analytics", "@amplitude/mcp-analytics", "instrument my MCP server", "track MCP tool calls", "add rationale to my MCP tools", or wants agent traffic (Claude, Cursor, ChatGPT) attributed back to Amplitude. Also use for adding UTM tagging to MCP-returned links…
Its SKILL.md is about 2.2k 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 Agent Workflows, covering MCP servers and Marketing analytics. It works with Model Context Protocol, Amplitude, TypeScript and OpenAI. The repository describes itself as: Open-source AI skills for product managers — battle-tested by PMs at Amplitude.
When your agent uses it
- The user wants to add Amplitude analytics to their MCP server
- Mentions MCP Analytics
- @amplitude/mcp-analytics
- Instrument my MCP server
Example prompts
- “MCP Analytics”
- “@amplitude/mcp-analytics”
- “instrument my MCP server”
- “/instrument-mcp-server”
Workflow steps
4 steps, taken from the step headings in SKILL.md.
- Install the SDK and track tool calls (required)
- Get identity right (required, do this before calling Step 1 "done")
- Capture rationale (recommended)
- UTM-tag outbound links (recommended, only if the server returns URLs)
What it can do on your machine
Read from SKILL.md and the folder at commit 51838c2. 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
Shell commands in SKILL.md call:
pnpm
From the folder's file list and the shell code blocks in SKILL.md.
Network
Links to these hosts (documentation or services it may open):
amplitude.comgithub.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
Instrument MCP Server loads about 2.2k tokens when it runs. Until then it costs about 160 tokens; SKILL.md has 1,045 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
Without a licence we can't republish the file, so here is its outline and opening line. It has 1,045 words (~2,233 tokens).
“Instruments an MCP server so every tool call becomes an Amplitude event, joinable with the rest of the product's Amplitude data (retention, revenue, web/mobile usage).”
- name
- instrument-mcp-server
Files
Just SKILL.md in engineering-skills/skills/instrument-mcp-server of amplitude/builder-skills.
Open the folder on GitHubat commit 51838c2
Compare with similar skills
Instrument MCP 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 |
|---|---|---|---|---|---|---|
| Instrument MCP Server this skillamplitude/builder-skills | 159 | — | ~2.2k | Automated safety check: Pass | None | |
| Chatgpt App Builderalpic-ai/skybridge | 2.2k | — | ~1k | Automated safety check: Pass | MIT | |
| Agent RecallGoldentrii/AgentRecall-X | 371 | — | ~5.2k | Automated safety check: Notes | MIT | |
| MCP App Builderalpic-ai/skybridge | 2.2k | — | ~906 | Automated safety check: Pass | MIT | |
| Skybridgealpic-ai/skybridge | 2.2k | — | ~923 | Automated safety check: Pass | MIT | |
| Plugin AuthoringXiaoPuOuO/openchatx-mcp | 257 | — | ~709 | Automated safety check: Pass | MIT |
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Related
Categories
Questions about Instrument MCP Server
What does Instrument MCP Server do?
Instrument a Node/TypeScript MCP server with Amplitude's @amplitude/mcp-analytics SDK so tool calls, sessions, and rationale are tracked as Amplitude events. Instrument MCP Server is an agent skill from amplitude/builder-skills. Instrument a Node/TypeScript MCP server with Amplitude's @amplitude/mcp-analytics SDK so tool calls, sessions, and rationale are tracked as Amplitude events.
When should I use Instrument MCP Server?
Instrument MCP Server fits situations like: the user wants to add Amplitude analytics to their MCP server; mentions MCP Analytics; @amplitude/mcp-analytics; instrument my MCP server.
How do I install Instrument MCP Server in Claude Code?
Run `npx skills add amplitude/builder-skills --skill instrument-mcp-server -a claude-code`. Or copy the skill folder (engineering-skills/skills/instrument-mcp-server in amplitude/builder-skills) into .claude/skills/instrument-mcp-server in your project. Claude Code loads it when a task matches its description.
How do I install Instrument MCP Server in Codex?
Run `npx skills add amplitude/builder-skills --skill instrument-mcp-server -a codex`. Or copy the skill folder (engineering-skills/skills/instrument-mcp-server in amplitude/builder-skills) into .agents/skills/instrument-mcp-server in your project. Codex loads it when a task matches its description.
Can I use Instrument MCP 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 amplitude/builder-skills --skill instrument-mcp-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/instrument-mcp-server, .gemini/skills/instrument-mcp-server, .github/skills/instrument-mcp-server and .opencode/skills/instrument-mcp-server in your project.
What does Instrument MCP Server need to run?
Going by SKILL.md and its folder, Instrument MCP Server needs the command-line tools its instructions call (pnpm).
Does Instrument MCP Server access the network?
SKILL.md names 2 domains. As links in the text: amplitude.com and github.com. This is read from the text; nothing was executed.
Is Instrument MCP 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 Instrument MCP Server use?
No licence was found for Instrument MCP Server or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Instrument MCP Server use?
About 2.2k tokens (SKILL.md is roughly 8.9k 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 Instrument MCP Server?
Skills that share tags, products or a category with Instrument MCP Server: Chatgpt App Builder (alpic-ai/skybridge, 2.2k stars), Agent Recall (Goldentrii/AgentRecall-X, 371 stars), MCP App Builder (alpic-ai/skybridge, 2.2k stars) and Skybridge (alpic-ai/skybridge, 2.2k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Instrument MCP Server?
amplitude (a GitHub organization) maintains it in amplitude/builder-skills, which has 159 GitHub stars. The repository holds 61 skills in this directory. The repository was last updated on July 24, 2026.
Source: amplitude/builder-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.