Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/magnusquest/startgg-mcp/setupnpx skills add magnusquest/startgg-mcp --skill setupgit clone --depth 1 https://github.com/magnusquest/startgg-mcpWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/magnusquest/startgg-mcp/setup)<a href="https://agentmods.dev/skills/magnusquest/startgg-mcp/setup"><img src="https://agentmods.dev/badge/skills/magnusquest/startgg-mcp/setup.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00058 | $0.01222 |
| Opus 5 | $0.00029 | $0.00611 |
| Sonnet 5 | $0.00012 | $0.00244 |
| Haiku 4.5 | $0.00006 | $0.00122 |
Grade B, and why
setup scanned grade B with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Asks the agent to reveal its instructionsmediumSystem prompt leakage
Directions to print, repeat or translate the system prompt extract configuration the operator did not intend to expose.
echo.prompt.ts # Echo prompt (starter — replace or delete) How it starts
The opening of the file, as written. The whole thing — 113 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Context
This skill assumes @cyanheads/mcp-ts-core init has already run. The CLI created the project's CLAUDE.md and AGENTS.md (identical content), copied external skills to skills/, and scaffolded the directory structure with echo definitions as starting points. This skill covers what was created and what to do next.
Agent Protocol File
The init CLI generates both CLAUDE.md and AGENTS.md with identical content. Keep the one your agent uses and delete the other:
- Claude Code — keep
CLAUDE.md, deleteAGENTS.md - All other agents (Codex, Cursor, Windsurf, etc.) — keep
AGENTS.md, deleteCLAUDE.md
Both files serve the same purpose: project-specific agent instructions. Only one should exist in the committed project.
For the full framework API, read:
node_modules/@cyanheads/mcp-ts-core/CLAUDE.md
Read that file once per session. It contains the exports catalog, tool/resource/prompt contracts, error codes, context API, and common import patterns.
Project Structure
What init actually creates:
CLAUDE.md # Agent protocol (project-specific)
AGENTS.md # Same content — delete whichever you don't use
skills/ # Project skills (source of truth)
src/
index.ts # createApp() entry point
mcp-server/
tools/definitions/
echo.tool.ts # Echo tool (starter — replace or delete)
resources/definitions/
echo.resource.ts # Echo resource (starter — replace or delete)
prompts/definitions/
echo.prompt.ts # Echo prompt (starter — replace or delete)
Add these as needed:
src/
worker.ts # createWorkerHandler() — only for Cloudflare Workers
config/
server-config.ts # Server-specific env vars (own Zod schema)
services/
[domain]/
[domain]-service.ts # Init/accessor pattern
types.ts
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 5d ago First seen · 113 lines · 58 tokens per session scan B 7eb0ebc83e5c
setup is a skill published in the GitHub repository magnusquest/startgg-mcp (1 stars, last pushed 4mo ago), licensed Apache-2.0. It adds 58 tokens to every session and 1,222 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it B with 1 finding (asks the agent to reveal its instructions). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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