today

A morning briefing skill for planned workouts, recent wellness, fitness trends, weather, and upcoming training events. It uses Intervals.icu and can fall back to recent Strava activity when that service is unavailable.

In plain words
What is it for?
Use it to review today's workout, the next two weeks of training, recent recovery signals, fitness trends, and weather conditions. It also uses guidance about workout types and signs of overtraining.
Why use it?
It gathers training information into one daily summary and states when data is missing instead of filling gaps with guesses.

Skill for Claude CodeCodex

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.

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

Made for: Claude Code, Codex.

Per session 12 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 608 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00012 $0.00608
Opus 5 $0.00006 $0.00304
Sonnet 5 $0.00002 $0.00122
Haiku 4.5 $0.00001 $0.00061

Measured 3d ago against content hash f9942bc92f2e, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

today 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 3d 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.

.claude/skills/today/SKILL.md · 26 lines

What it actually says

/today — Morning Briefing

  1. Get today's date. Read knowledge/recovery-overtraining.md for overtraining warning signs and knowledge/workout-types.md for workout execution guidance.
    • If Intervals.icu is unavailable, use recent Strava activity history and the athlete profile for a limited briefing. State that planned workouts, wellness, fitness, and calendar data are unavailable rather than fabricating them.
  2. Fetch data using MCP tools (call them directly, in parallel where possible):
    • Events endpoint for the next 14 days (oldest=today, newest=today+13) — today's workout plus the full training block ahead for context
    • Wellness endpoint for the last 3 days (oldest=today-2, newest=today) — trend context, not just a snapshot
    • Fitness endpoint for the last 7 days to show trend
    • Weather endpoint using the athlete's lat/lon from their profile — current conditions and forecast
    • Zones are cached in athlete/profile.md — skip the athlete endpoint unless the zones section is missing
  3. Display:
    • Today's Workout: Name, type, planned distance/duration. If the workout has structured steps, show target zones/paces using the athlete's actual zone values. If rest day, say so.
    • This Week / Next Week: Brief overview of the 2-week plan ahead — session names, days, types. Highlight the training block context (build week? recovery week? race week?) so today's workout makes sense in the bigger picture.
    • Wellness: Sleep, HRV, resting HR, fatigue, mood (whatever is available)
    • Form Status: Current TSB with label (fresh/neutral/tired/fatigued)
    • CTL/ATL: Current values and 7-day trend direction
    • Weather: Current conditions and today's forecast (temp, feels-like, wind, precipitation, UV). Flag heat/cold/rain concerns that affect the workout — suggest timing adjustments, hydration, or gear.
  4. Check data freshness. Look at today's wellness updated timestamp. If it's more than 1 hour old (or missing entirely), warn the athlete that their device may not have synced recently — wellness and fitness numbers may be stale. Suggest they open Garmin Connect (or their watch app) to trigger a sync, then ask you to re-run /today. Keep the warning brief: one line, not a blocker.
  5. End with a one-line recommendation grounded in the knowledge base (e.g., reference workout purpose from knowledge/workout-types.md, or flag recovery concerns per knowledge/recovery-overtraining.md)
  6. Flag any injury risk signals (volume spike, sustained negative TSB, poor sleep) using criteria from knowledge/injury-prevention.md
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. 3d ago First seen · 26 lines · 12 tokens per session scan A f9942bc92f2e

Subscribe to this mod's changes

today is a skill published in the GitHub repository rlacombe/switchback-running (11 stars, last pushed 8d ago), licensed MIT. It adds 12 tokens to every session and 608 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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