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 jscraik/Agent-Skills --skill tomlgit clone --depth 1 https://github.com/jscraik/Agent-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/jscraik/agent-skills/toml)<a href="https://agentmods.dev/skills/jscraik/agent-skills/toml"><img src="https://agentmods.dev/badge/skills/jscraik/agent-skills/toml/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/jscraik/agent-skills/toml"><img src="https://agentmods.dev/badge/skills/jscraik/agent-skills/toml.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 | $0.00029 | $0.00642 |
| Opus 5 | $0.00015 | $0.00321 |
| Sonnet 5 | $0.00006 | $0.00128 |
| Haiku 4.5 | $0.00003 | $0.00064 |
Grade A, and why
toml 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 8d 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 — 99 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Table of Contents
- When to use
- Required inputs
- Deliverables
- Philosophy
- Procedure
- TOML Guidelines
- Editing Rules
- Validation
- Constraints
- Anti-patterns
- Failure mode
- Gotchas
- References
When to use
- Use for TOML config creation, review, or schema-safe fixes.
- Inputs: target files, owning tool, expected key paths, and compatibility constraints.
- Deliver valid TOML with minimal key-path churn and notes for schema-impacting edits.
Required inputs
- Target TOML file path and owning tool or schema.
- Intended key paths, value types, and compatibility constraints.
- Validation command or parser expected to consume the file.
Deliverables
- Minimal TOML edit preserving existing comments and order where possible.
- Validation evidence from parser, schema, or owning tool.
- Notes for any type, key-path, or compatibility risk.
Philosophy
- Prefer schema truth and low-churn edits over clever rewrites.
Procedure
- Confirm the consumer schema and current key paths.
- Make the smallest compatible edit.
- Validate before closeout.
TOML Guidelines
- Preserve key order where tool owners expect readability.
- Prefer explicit scalars and arrays over ambiguous shapes.
- Keep one responsibility per table and use dotted keys consistently.
- Do not mix inline tables and expanded tables for the same object path.
Editing Rules
- Change only the smallest required key path.
- Retain existing comments unless provably outdated.
- Keep trailing commas out of arrays and inline tables.
Validation
- Run the relevant parser/schema/tool checks for touched files.
- Fail fast: stop at the first failed gate and report exact blocker evidence.
Constraints
- If schema ownership is unclear, pause before adding keys.
- Redact secrets and do not run destructive or network commands unless explicitly approved.
What ships with it
4 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.
- 8d ago First seen · 99 lines · 29 tokens per session scan A d753276e3c32
toml is a skill published in the GitHub repository jscraik/Agent-Skills (8 stars, last pushed 10d ago), licensed Apache-2.0. It adds 29 tokens to every session and 642 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 2026-09-03.
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