check

check is a skill for Claude Code from rlacombe/switchback-running. It costs 12 tokens per session (325 once invoked), scanned A, original, MIT.

A health and training-readiness audit that reviews several weeks of workout, recovery, and injury-related information.

In plain words
What is it for?
Use it to review recent training volume, frequency, intensity, wellness trends, fitness-load changes, and adherence to planned workouts.
Why use it?
It helps identify possible overtraining, sudden increases in workload, insufficient recovery, and warning signs of injury.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter.

Good fit Use it to review recent training volume, frequency, intensity, wellness trends, fitness-load changes, and adherence to planned workouts.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/rlacombe/switchback-running/check
Install

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.

Any agent
npx skills add rlacombe/switchback-running --skill check
Clone the repo
git clone --depth 1 https://github.com/rlacombe/switchback-running

Made for: Claude Code.

Wrote 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.

agentmods badge for check

README.md
[![agentmods](https://agentmods.dev/badge/skills/rlacombe/switchback-running/check/github.svg)](https://agentmods.dev/skills/rlacombe/switchback-running/check)
Your own site
<a href="https://agentmods.dev/skills/rlacombe/switchback-running/check"><img src="https://agentmods.dev/badge/skills/rlacombe/switchback-running/check/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.

agentmods 80×15 button for check

Your own site · 80×15
<a href="https://agentmods.dev/skills/rlacombe/switchback-running/check"><img src="https://agentmods.dev/badge/skills/rlacombe/switchback-running/check.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 12 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 325 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00012 $0.00325
Opus 5.5 $0.00005 $0.00130
Sonnet 5.5 $0.00002 $0.00065
Haiku 4.5 $0.00001 $0.00032

Measured 1mo ago against content hash 0ec1947714dc, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

check 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 1mo 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.

skills/check/SKILL.md · 38 lines

What it actually says

Health and Load Review

Trigger

Use for a deeper readiness, overtraining, progression, or injury-risk review.

Minimum evidence

Read profile, health history, and relevant notes. Retrieve at least 42 complete days of activities and load for chronic-load analysis, the matching planned calendar, and available wellness. Use a shorter window only for an explicitly shorter claim. With Strava alone, limit conclusions to recorded activities and athlete reports.

Use get_activities, get_fitness, and get_wellness with explicit date ranges. Use get_events for the matching plan. Retrieve a single activity or selected streams only when the review requires that resolution.

Knowledge

Retrieve data interpretation plus only the relevant recovery, injury, age-and-sex, sleep, or volume chapter.

Analysis

Calculate weekly time or distance, vertical gain, intensity or load, recovery weeks, and material plan-versus-actual differences. Compare wellness signals with the athlete's own baseline. Separate provider facts, athlete reports, derived metrics, and hypotheses. Do not diagnose overtraining or injury from a score, fixed threshold, or isolated reading.

Output

Lead with the decision the athlete faces. Show dated evidence and material calculations, then apply the health triage. Recommend the least restrictive safe action, alternatives, and a reassessment trigger. State missing data and how it limits the conclusion. Store only durable, sourced patterns.

Changes

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.

  1. 1mo ago Changed · -41 lines · -3 tokens per session 0ec1947714dc
  2. 1mo ago First seen · 79 lines · 15 tokens per session scan A 21f61fc79cb8

Subscribe to this mod's changes

check is a skill published in the GitHub repository rlacombe/switchback-running (10 stars, last pushed 1mo ago), licensed MIT. It adds 12 tokens to every session and 325 once invoked, about $0.0000 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 2026-08-30.

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