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 paruff/uFawkesAI --skill model-routinggit clone --depth 1 https://github.com/paruff/uFawkesAIWrote 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/paruff/ufawkesai/model-routing)<a href="https://agentmods.dev/skills/paruff/ufawkesai/model-routing"><img src="https://agentmods.dev/badge/skills/paruff/ufawkesai/model-routing/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/paruff/ufawkesai/model-routing"><img src="https://agentmods.dev/badge/skills/paruff/ufawkesai/model-routing.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 | $0.00025 | $0.00495 |
| Opus 5 | $0.00013 | $0.00247 |
| Sonnet 5 | $0.00005 | $0.00099 |
| Haiku 4.5 | $0.00003 | $0.00049 |
Grade A, and why
model-routing 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 5d 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 — 64 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Skill: Model Routing
Load trigger:
"load model-routing skill"> DORA: Cap 3 (AI-Accessible Internal Data) Token cost: Low
Purpose
Route tasks to the optimal model and mode based on complexity, cost, and requirements.
Responsibilities
- Determine optimal mode (Ask/Edit/Agent)
- Select appropriate model tier (Low/Medium/High)
- Validate scope before Agent Mode
- Estimate complexity and cost
- Provide local model alternatives
Decision: Mode First
| Task type | Mode | Why |
|---|---|---|
| Question / explanation | Ask Mode | 60–90% cheaper than Agent |
| Single-file targeted edit | Edit Mode | 30–50% cheaper than Agent |
| Multi-file feature | Agent Mode | Correct choice |
| Architecture / security | Agent Mode + frontier model | Worth the cost |
Decision: Model Second
| Complexity | Model tier | Examples |
|---|---|---|
| Low | Fast/cheap tier | Q&A, docs, simple fixes |
| Medium | Mid tier | Feature implementation |
| High | Frontier/premium tier | Architecture, security, rework > 20% |
Scope Check (Required Before Agent Mode)
Before proceeding with any Agent Mode task, state:
- Files I will READ: [list]
- Files I will WRITE: [list]
- My plan: [2 sentences]
- Estimated complexity: low / medium / high
Then wait for human confirmation.
Local Model Alternative (Zero Credit Cost)
For docs, changelogs, simple explanations — a small local model via Ollama is sufficient. Use hosted credits for tasks requiring frontier/premium tier quality.
Full Guide
See docs/MODEL_ROUTING_GUIDE.md for decision tree, cost table, and anti-patterns.
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.
- 5d ago First seen · 64 lines · 25 tokens per session scan A 37c9386ada79
model-routing is a skill published in the GitHub repository paruff/uFawkesAI (2 stars, last pushed 16d ago), licensed MIT. It adds 25 tokens to every session and 495 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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