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/paruff/ufawkesai/dev-container-setupnpx skills add paruff/uFawkesAI --skill dev-container-setupgit 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/dev-container-setup)<a href="https://agentmods.dev/skills/paruff/ufawkesai/dev-container-setup"><img src="https://agentmods.dev/badge/skills/paruff/ufawkesai/dev-container-setup.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 | $0.00042 | $0.00472 |
| Opus 5 | $0.00021 | $0.00236 |
| Sonnet 5 | $0.00008 | $0.00094 |
| Haiku 4.5 | $0.00004 | $0.00047 |
Grade A, and why
dev-container-setup 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
Skill: Dev Container Setup
Load trigger:
"load dev-container-setup skill"> DORA: Cap 3 (AI-Accessible Internal Data) Token cost: Low
Purpose
Provide a reproducible, standardized development environment for all Fawkes projects using devcontainers.
Responsibilities
- Validate
devcontainer.json - Validate
Dockerfile.dev - Validate required tools (Node, Python, Fawkes CLI, kubectl, kustomize)
- Validate VS Code extensions
- Validate Coder compatibility
Inputs
.devcontainer/directory- Project repo
Outputs
devcontainer-report.jsonmissing-tools.txt
Sub-Skills
| Skill | Purpose |
|---|---|
dev-container-setup/toolchain-validation |
Verify tools and versions |
dev-container-setup/coder-validation |
Validate Coder workspace config |
Validation Rules
devcontainer.json
- Base image specified
- Features defined
- Extensions listed
- Post-create command defined
- ForwardPorts configured (if needed)
Required Tools
| Tool | Version | Required |
|---|---|---|
| Node.js | ≥ 18 | Yes |
| Python | ≥ 3.10 | If Python project |
| kubectl | Latest | If K8s |
| kustomize | Latest | If GitOps |
| Fawkes CLI | Latest | Yes |
| Docker | ≥ 20 | Yes |
Tools
- Devcontainer CLI
- Docker CLI
Success Criteria
- Devcontainer builds successfully
- All required tools installed
- Developer can start coding immediately
What ships with it
2 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.
- 3d ago First seen · 76 lines · 42 tokens per session scan A 761bd6ac5813
dev-container-setup is a skill published in the GitHub repository paruff/uFawkesAI (2 stars, last pushed 11d ago), licensed MIT. It adds 42 tokens to every session and 472 once invoked, about $0.0002 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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