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 Solatrader/syft-news-skills --skill syft-storyline-backfillgit clone --depth 1 https://github.com/Solatrader/syft-news-skillsWrote 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/solatrader/syft-news-skills/syft-storyline-backfill)<a href="https://agentmods.dev/skills/solatrader/syft-news-skills/syft-storyline-backfill"><img src="https://agentmods.dev/badge/skills/solatrader/syft-news-skills/syft-storyline-backfill/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/solatrader/syft-news-skills/syft-storyline-backfill"><img src="https://agentmods.dev/badge/skills/solatrader/syft-news-skills/syft-storyline-backfill.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 | $0.00089 | $0.01466 |
| Opus 5 | $0.00044 | $0.00733 |
| Sonnet 5 | $0.00018 | $0.00293 |
| Haiku 4.5 | $0.00009 | $0.00147 |
Grade A, and why
syft-storyline-backfill 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 12d 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 — 188 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Syft Storyline Backfill
Use this skill after a storyline tree already exists and the user wants one branch, one trunk, or the full tree extended with older or missing events.
Inputs
Prefer to have:
- an existing storyline tree markdown file
- optional html or notes version of the same tree
profiles/following_topics.mdprofiles/profile_summary.md- optional guidance rules
What this skill produces
Create:
storylines/storyline_backfill_<date>.md- optionally an updated storyline tree markdown file
- optionally an updated storyline tree html file
- optionally an updated storyline tree json file
- optionally
storylines/backfill_keyword_strategy_<date>.md
Important:
storyline_backfill_<date>.mdis a working-facing explanation artifact- the updated storyline tree files are user-facing final artifacts
Do not confuse the two. Working-note language is acceptable in the backfill memo. It is not acceptable in the final tree outputs.
Workflow
-
Choose the target. The user may specify:
- one branch
- one trunk
- all branches
-
Restate the target meaning in one sentence before searching. Do not search from labels alone. If the branch is a hobby or travel line, restate the branch logic precisely.
Examples:
-
not just
Fate -
but
Fate official merch / collab / event cadence -
not just
Japanese onsen -
but
high-quality scenic ryokan / seasonal opening / local cuisine line
-
-
Use the retrieval ladder. Before broad search, check whether the branch maps to a followed topic id. Default order:
- existing known events
- topic top via
syft top --topic-id <TOPIC_ID> --days <N> --limit 20 --rich - targeted
syft search
Topic top should be the normal second step because it often returns higher-quality branch-local material than free-text search. Start with
limit 20. In most branches, the first 20 topic-local items are enough to show whether the branch can be filled cleanly. Only widen the limit if the branch remains obviously thin after triage.
What ships with it
3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 12d ago First seen · 188 lines · 89 tokens per session scan A 28af4e4c1d06
syft-storyline-backfill is a skill published in the GitHub repository Solatrader/syft-news-skills (5 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 89 tokens to every session and 1,466 once invoked, about $0.0004 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 2026-08-31.
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