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 MarshallBear1/juno-open-health-tools --skill build-health-timelinegit clone --depth 1 https://github.com/MarshallBear1/juno-open-health-toolsWrote 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/marshallbear1/juno-open-health-tools/build-health-timeline)<a href="https://agentmods.dev/skills/marshallbear1/juno-open-health-tools/build-health-timeline"><img src="https://agentmods.dev/badge/skills/marshallbear1/juno-open-health-tools/build-health-timeline/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/marshallbear1/juno-open-health-tools/build-health-timeline"><img src="https://agentmods.dev/badge/skills/marshallbear1/juno-open-health-tools/build-health-timeline.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00055 | $0.00279 |
| Opus 5.5 | $0.00022 | $0.00112 |
| Sonnet 5.5 | $0.00011 | $0.00056 |
| Haiku 4.5 | $0.00006 | $0.00028 |
Grade A, and why
build-health-timeline 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 2mo 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
Build a health timeline
Privacy gate
Before sending text to the Juno Health Tools MCP server, disclose that it will be processed transiently without intentional application storage and ask whether the user wants to continue. Invoke the tool only after explicit agreement and set consentConfirmed to true. Ask only for brief, user-authored, non-identifying observations. Do not request or accept PHI, names, contact details, record or insurance numbers, credentials, provider documents, or text copied from a clinical system.
- Keep dates exactly as supplied; use “date uncertain” when needed.
- Separate observations, reported diagnoses, tests, treatments, and user-suspected triggers.
- Sort chronologically and merge only true duplicates.
- Highlight first onset, material worsening or improvement, medication changes, and changes in function.
- Produce a short “what changed overall” summary that states facts and uncertainty.
Never convert correlation into causation. Attribute clinical statements, for example “user reports clinician diagnosed …”. Do not fill missing dates or results from memory.
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 2mo ago First seen · 19 lines · 55 tokens per session scan A 05cabfd7e043
build-health-timeline is a skill published in the GitHub repository MarshallBear1/juno-open-health-tools (1 stars, last pushed 4d ago), licensed MIT. It adds 55 tokens to every session and 279 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-08-31.
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