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 skills add amplitude/mcp-marketplace --skill use-amp-guides-surveysgit clone --depth 1 https://github.com/amplitude/mcp-marketplaceWrote 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/amplitude/mcp-marketplace/use-amp-guides-surveys)<a href="https://agentmods.dev/skills/amplitude/mcp-marketplace/use-amp-guides-surveys"><img src="https://agentmods.dev/badge/skills/amplitude/mcp-marketplace/use-amp-guides-surveys/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/amplitude/mcp-marketplace/use-amp-guides-surveys"><img src="https://agentmods.dev/badge/skills/amplitude/mcp-marketplace/use-amp-guides-surveys.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00029 | $0.00224 |
| Opus 5 | $0.00015 | $0.00112 |
| Sonnet 5 | $0.00006 | $0.00045 |
| Haiku 4.5 | $0.00003 | $0.00022 |
Grade A, and why
use-amp-guides-surveys scanned grade A with 0 findings 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 12d 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.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Use Amp Guides Surveys
Choose an action
list(default): discover or compare guides and surveys with project, type, platform, creator, date, archive, and pagination filters.get: read one guide or survey's rollout, targeting, triggers, variants, and step content.
Required inputs
- Always pass
projectId; useget_amplitude_contextfirst when it is unknown. - For
get, also passnudgeId. Forlist, pass only filters supported by the tool and reusenextCursorwhen more results are available.
Output and guardrails
Call guides and surveys by those user-facing names, not “nudges.” Link each returned title to its URL; keep lists compact and summarize detailed configuration around the user's question.
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.
- 12d ago First seen · 22 lines · 29 tokens per session scan A 76808608517f
use-amp-guides-surveys is a skill published in the GitHub repository amplitude/mcp-marketplace (35 stars, last pushed 3d ago), licensed MIT. It adds 29 tokens to every session and 224 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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