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 agentmods add skills/rlacombe/switchback-running/archivenpx skills add rlacombe/switchback-running --skill archivegit clone --depth 1 https://github.com/rlacombe/switchback-runningWhat 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 | $0.00010 | $0.00424 |
| Opus 5 | $0.00005 | $0.00212 |
| Sonnet 5 | $0.00002 | $0.00085 |
| Haiku 4.5 | $0.00001 | $0.00042 |
Grade A, and why
archive 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.
What it actually says
/archive — Activity Memory
Archive one activity or a requested date range into compact Markdown notes under athlete/activities/YYYY/MM/. This is a user-owned retrieval layer, not a raw-data mirror. An explicit /archive request always proceeds, even if automatic activity memory has been disabled.
- Determine the requested activity or date range. Use Intervals.icu if available; otherwise use Strava. If both report the same session, archive one note with both source IDs rather than duplicate the activity.
- Fetch the activity detail. Use streams only if needed to answer a specific question. Do not request route coordinates unless the athlete explicitly asks for route analysis.
- Create or update the note at
athlete/activities/YYYY/MM/YYYY-MM-DD--provider--activity-id.mdusingathlete/activity-note.example.mdas the schema. - Retain: source ID, timestamp/timezone, sport type, distance, duration, elevation, pace/speed, heart rate, load, power/cadence, perceived exertion, gear, the athlete-authored description when relevant, and a concise plan/execution/assessment section.
- Do not retain GPX/TCX/FIT files, GPS coordinates, raw streams, or third-party Strava comments. Record only that streams are available from the provider. Do not overwrite an athlete's manually edited narrative sections.
- Put a pattern into
athlete/notes.mdonly when it is durable across activities; an activity-specific observation stays in that activity note. - For a first-time backfill, ask the athlete for the desired lookback period before fetching: for example, 1, 3, 6, or 12 months. Do not choose a period or archive historical activities silently. After completion, record the selected period and completion date in
athlete/profile.mdunder Activity-memory backfill. - Report the paths created or updated and the count of activities archived.
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.
- 3d ago First seen · 18 lines · 10 tokens per session scan A 8af9e020553a
archive is a skill published in the GitHub repository rlacombe/switchback-running (11 stars, last pushed 8d ago), licensed MIT. It adds 10 tokens to every session and 424 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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