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/q00/ouroboros/setupnpx skills add Q00/ouroboros --skill setupgit clone --depth 1 https://github.com/Q00/ouroborosWhat 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 | $0.00011 | $0.06003 |
| Opus 5 | $0.00005 | $0.03002 |
| Sonnet 5 | $0.00002 | $0.01201 |
| Haiku 4.5 | $0.00001 | $0.00600 |
Grade D, and why
setup scanned grade D with 3 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 today.
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.
Asks for rootmediumPrivilege escalation
A mod that escalates privileges can change anything on the machine, not only the project.
Ubuntu: sudo apt install python3.12 Downloads and executes remote codehighSupply chain
curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.
curl -LsSf https://astral.sh/uv/install.sh | sh # vendor one-liner (last resort) Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -LsSf https://astral.sh/uv/install.sh | sh # vendor one-liner (last resort) How it starts
The opening of the file, as written. The whole thing — 710 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/ouroboros:setup
Guided onboarding wizard that converts users into power users.
Standalone users (Codex, pip install): Use
ouroboros setup --runtime codexin your terminal instead. This skill runs inside a Claude Code session. For other runtime backends, the CLIouroboros setupcommand handles configuration. For full install and onboarding instructions, see Getting Started.
GitHub Copilot CLI users: Run
ouroboros setup --runtime copilot(afterpipx install 'ouroboros-ai[mcp]'oruv tool install 'ouroboros-ai[mcp]'). Setup will:
- Live-discover available models from the GitHub Copilot models API (uses
gh auth token) and let you pick a default. A bundled fallback list is used when offline.- Write
orchestrator.runtime_backend = copilotandllm.backend = copilotplus your chosen default into~/.ouroboros/config.yaml.- Register the MCP server in
~/.copilot/mcp-config.jsonso the nextcopilotsession can callooo ...skills.Hyphen Anthropic IDs that the Ouroboros defaults use (for example
claude-opus-4-6) are auto-mapped at runtime to the dotted form Copilot CLI expects (claude-opus-4.6), so existing config files keep working when you switch backends.
Usage
ooo setup
/ouroboros:setup
/ouroboros:setup --uninstall
Note: Claude setup does two things:
- Runtime configuration — selects the Claude Agent SDK profile on MCP 1.x
- CLAUDE.md integration (optional) — per-project, adds an Ouroboros command reference block
It deliberately leaves
~/.claude/mcp.jsonuntouched because marketplace plugin wiring owns that file.[claude]and its explicit[claude-sdk]alias use MCP 1.x. The plugin launches[mcp]in a separate MCP 2 process with the dependency-free[claude-cli]worker.
Setup Wizard Flow
When the user invokes this skill, guide them through an enhanced 6-step wizard with progressive disclosure and celebration checkpoints.
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.
- today Changed f2e13fb62a99
- 2d ago First seen · 710 lines · 11 tokens per session scan D 4dee8fcded7d
setup is a skill published in the GitHub repository Q00/ouroboros (5,747 stars, last pushed today), licensed MIT. It adds 11 tokens to every session and 6,003 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it D with 3 findings (asks for root, downloads and executes remote code, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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