setup

A guided setup command for connecting Intervals.icu and/or Strava, services that store athletic training data, and creating an athlete profile.

In plain words
What is it for?
Use it to connect training calendars, workouts, wellness data, completed activities, gear, and related athlete information.
Why use it?
It makes account connection easier for people who are not technical by handling one step at a time and explaining what each service provides.

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

Made for: Claude Code, Codex.

Per session 19 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,287 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 $0.00019 $0.02287
Opus 5 $0.00010 $0.01144
Sonnet 5 $0.00004 $0.00457
Haiku 4.5 $0.00002 $0.00229

Measured 2d ago against content hash 6966f1b15b0e, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

setup 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 2d 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/setup/SKILL.md · 145 lines

How it starts

The opening of the file, as written. The whole thing — 145 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/setup — Guided Setup

Walk the user through setup step by step. Be friendly and patient — assume they are not technical. Confirm each step before moving to the next. Do not dump a wall of instructions; go one step at a time.

Step 1: Choose data providers

Switchback can use Intervals.icu, Strava, or both. Explain the trade-off concisely:

  • Intervals.icu (recommended for the full experience): planned calendar, training-load and wellness trends, structured workouts, and watch sync.
  • Strava: completed activity history, athlete-authored descriptions, gear, and optional social context. It works without Intervals.icu but cannot provide wellness/fitness metrics or calendar writes.

Ask which they want to connect. Never require Strava from an athlete who only wants Intervals.icu.

Intervals.icu

Check if INTERVALS_API_KEY and INTERVALS_ATHLETE_ID are set in the environment (either from a .env file or shell env).

If both are set: Tell the user Intervals.icu is already configured.

If either is missing: Walk them through it:

  1. Ask if they have an Intervals.icu account. If not, tell them to create one at https://intervals.icu (it's free) and connect their watch/device, then come back.
  2. Guide them to create an API key:
  3. Guide them to find their Athlete ID:
    • It's in their Intervals.icu profile URL — looks like i123456
    • Or visible on the Settings page
  4. Ask the user to enter their API key and Athlete ID directly in the .env file; do not ask them to put secrets in chat.
  5. Confirm that their .env file contains:
    INTERVALS_API_KEY=their_key
    INTERVALS_ATHLETE_ID=their_id
    
    This file is already gitignored — their credentials stay local.
  6. Tell the user to restart Claude Code (or open a new terminal) for the environment variables to take effect.

Strava

If the athlete chooses Strava, check for STRAVA_CLIENT_ID, STRAVA_CLIENT_SECRET, and STRAVA_REFRESH_TOKEN.

Read the full file on GitHub · 145 lines

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. 2d ago First seen · 145 lines · 19 tokens per session scan A 6966f1b15b0e

Subscribe to this mod's changes

setup is a skill published in the GitHub repository rlacombe/switchback-running (11 stars, last pushed 7d ago), licensed MIT. It adds 19 tokens to every session and 2,287 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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