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 dev-experiencegit 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-experience)<a href="https://agentmods.dev/skills/paruff/ufawkesai/dev-experience"><img src="https://agentmods.dev/badge/skills/paruff/ufawkesai/dev-experience/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/dev-experience"><img src="https://agentmods.dev/badge/skills/paruff/ufawkesai/dev-experience.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 | $0.00023 | $0.00523 |
| Opus 5.5 | $0.00009 | $0.00209 |
| Sonnet 5.5 | $0.00005 | $0.00105 |
| Haiku 4.5 | $0.00002 | $0.00052 |
Grade A, and why
dev-experience 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 24d 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 — 103 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Skill: Dev Experience
Load trigger:
"load dev-experience skill"> DORA: AI Capability 3: AI-accessible internal data Token cost: Low
Purpose
Set up local development environment for fast feedback loops.
Responsibilities
- Configure devcontainers
- Bootstrap workspace
- Set up local simulation
- Configure CLI tools
- Validate environment
Sub-Skills
| Skill | Purpose |
|---|---|
dev-experience/dev-container-setup |
Configure devcontainers |
dev-experience/workspace-bootstrap |
Bootstrap workspace |
dev-experience/local-environment-simulation |
Set up local simulation |
Dependencies
| Skill | Relationship |
|---|---|
| (none) | Foundation skill, no dependencies |
Inputs
- Project requirements
- Language/framework
- Tool requirements
Outputs
.devcontainer/devcontainer.jsonMakefileorjustfile.env.example
Setup Rules
Devcontainer
- Base image defined
- Extensions configured
- Ports forwarded
- Volume mounts set
- Post-create command defined
Workspace
- Dependencies installed
- Environment variables set
- Git hooks configured
- IDE settings configured
Local Simulation
- Local cluster configured (kind/k3d)
- Services deployed locally
- Observability stack running
- Development workflow documented
Output Format
{
"skill": "dev-experience",
"status": "pass | fail",
"artifacts": {
"devcontainer": ".devcontainer/devcontainer.json",
"makefile": "Makefile",
"env_example": ".env.example"
},
"validation": {
"devcontainer_valid": true,
"workspace_ready": true,
"local_sim_running": false
}
}
Success Criteria
- Devcontainer configured
- Workspace bootstrapped
- Local simulation available (optional)
- Development workflow documented
What ships with it
9 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.
- dev-container-setup/coder-validation/SKILL.md 1.7 KB
- dev-container-setup/SKILL.md 2.1 KB
- dev-container-setup/toolchain-validation/SKILL.md 2.3 KB
- local-environment-simulation/cluster-sim/SKILL.md 1.7 KB
- local-environment-simulation/gitops-sim/SKILL.md 1.7 KB
- local-environment-simulation/SKILL.md 1.9 KB
- workspace-bootstrap/dependencies/SKILL.md 2.1 KB
- workspace-bootstrap/env-generation/SKILL.md 1.7 KB
- workspace-bootstrap/SKILL.md 1.8 KB
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.
- 24d ago Changed 6dcb47414cbf
- 1mo ago First seen · 103 lines · 23 tokens per session scan A 73ace95d6ea8
dev-experience is a skill published in the GitHub repository paruff/uFawkesAI (2 stars, last pushed yesterday), licensed MIT. It adds 23 tokens to every session and 523 once invoked, about $0.0001 per session on Opus 5.5. 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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