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/legendtkl/agentic-skill-router/skill-027npx skills add legendtkl/agentic-skill-router --skill skill-027git clone --depth 1 https://github.com/legendtkl/agentic-skill-routerWrote 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/legendtkl/agentic-skill-router/skill-027)<a href="https://agentmods.dev/skills/legendtkl/agentic-skill-router/skill-027"><img src="https://agentmods.dev/badge/skills/legendtkl/agentic-skill-router/skill-027.svg" alt="Measured on agentmods" 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 | $0.00021 | $0.00244 |
| Opus 5 | $0.00010 | $0.00122 |
| Sonnet 5 | $0.00004 | $0.00049 |
| Haiku 4.5 | $0.00002 | $0.00024 |
Grade A, and why
skill-027 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 6d 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
Big Bang 80/20: Specification Closure
Core Concept
Specification closure is the gate before EPIC 9 fan-out.
No implementation begins without closure verification.
Closure Checklist
A specification is closed when:
- All inputs characterized (domain, constraints, edge cases)
- All outputs specified (behavior, invariants, success criteria)
- All errors enumerated (what happens when things fail)
- All ambiguities resolved (no TBD, TODO, undefined)
- All user stories have acceptance scenarios
- SHACL validation passes
Quick Validation
# Check for incomplete markers
grep -r "TBD\|TODO\|FIXME\|undefined" .specify/
# Validate SHACL conformance
cargo make speckit-validate
Reference
See CLAUDE.md sections:
- Three Paradigms (Big Bang 80/20)
- When to Use EPIC 9
- Agents: bb80-specification-validator
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.
- 6d ago First seen · 39 lines · 21 tokens per session scan A 2a79240bc01f
skill-027 is a skill published in the GitHub repository legendtkl/agentic-skill-router (5 stars, last pushed 3mo ago), licensed MIT. It adds 21 tokens to every session and 244 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 2026-08-31.
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