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 KenLSM/node-huckleberry-mcp --skill huckleberrygit clone --depth 1 https://github.com/KenLSM/node-huckleberry-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/kenlsm/node-huckleberry-mcp/huckleberry)<a href="https://agentmods.dev/skills/kenlsm/node-huckleberry-mcp/huckleberry"><img src="https://agentmods.dev/badge/skills/kenlsm/node-huckleberry-mcp/huckleberry/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/kenlsm/node-huckleberry-mcp/huckleberry"><img src="https://agentmods.dev/badge/skills/kenlsm/node-huckleberry-mcp/huckleberry.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 | $0.00058 | $0.01412 |
| Opus 5.5 | $0.00023 | $0.00565 |
| Sonnet 5.5 | $0.00012 | $0.00282 |
| Haiku 4.5 | $0.00006 | $0.00141 |
Grade A, and why
huckleberry 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.
How it starts
The opening of the file, as written. The whole thing — 99 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Huckleberry baby tracking
This skill drives the Huckleberry MCP tools. Follow these rules so tool calls are correct on the first try.
1. Resolve the child first
Most tools need a child_uid. At the start of a session (or if unknown), call
get_user — it returns the child list and lastChild. Reuse that uid for
subsequent calls. If the account has exactly one child, use it without asking.
Only ask the user which child if there are several and it's ambiguous.
2. Times are epoch seconds, in the configured timezone
Every start/end argument is a Unix timestamp in seconds (not ms, not a
date string). The server applies the timezone from HUCKLEBERRY_TIMEZONE.
Convert the user's natural language to epoch seconds:
- "just now" / no time given → now
- "a 40-minute nap that ended 20 minutes ago" → end = now − 20min, start = end − 40min
- "at 2pm" → 2pm today in the user's timezone
3. Units & enums
| Tool | Field | Allowed |
|---|---|---|
log_bottle, log_pump |
units |
ml or oz |
log_bottle |
bottle_type |
free text: "Breast Milk", "Formula", "Cow Milk" |
log_growth |
units |
metric or imperial |
log_diaper |
mode |
pee / poo / both / dry |
log_diaper |
pee_amount / poo_amount |
little / medium / big |
log_diaper |
color |
yellow brown green black red white orange other |
log_diaper |
consistency |
hard normal soft runny watery formed mucousy |
log_potty |
mode |
pee / poo |
log_nursing |
left_duration / right_duration |
seconds |
log_pump |
amounts | give total_amount, or left_amount + right_amount |
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 · 99 lines · 58 tokens per session scan A 4f129e5ba76e
huckleberry is a skill published in the GitHub repository KenLSM/node-huckleberry-mcp (1 stars, last pushed 2mo ago), licensed MIT. It adds 58 tokens to every session and 1,412 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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