What is ouroboros-config?

A settings interface for Ouroboros, used to choose the tools and language models used at different stages of its work.

Use it to open the settings in a browser, terminal interface, or conversation and change the model or agent used by Ouroboros.

It provides one place to change configuration and shows when required command-line tools are missing or environment settings override the saved choices.

ouroboros-config — Skill for Claude Code and Codex by Q00: A settings interface for Ouroboros, used to choose the…

About the project

Q00/ouroboros is an Agent OS for running coding agents through interviews, staged evaluation, and repeated improvement cycles. It helps developers turn vague requests into tested code across multiple agent runtimes. Its catalogue add-ons provide workflows, agents, hooks, instructions, and integrations for operating those processes.

Q00/ouroboros · 5,769 stars · on GitHub

Install

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.

agentmods

npx agentmods add skills/q00/ouroboros/config

Any agent

npx skills add Q00/ouroboros --skill config

Clone the repo

git clone --depth 1 https://github.com/Q00/ouroboros

Made for: Claude Code, Codex.

Or install ouroboros, the plugin that ships this one along with the rest of its 22 skills, 21 agents, 3 hooks, 1 MCP server.

Wrote 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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/q00/ouroboros/config.svg)](https://agentmods.dev/skills/q00/ouroboros/config)

Your own site

<a href="https://agentmods.dev/skills/q00/ouroboros/config"><img src="https://agentmods.dev/badge/skills/q00/ouroboros/config.svg" alt="Measured on agentmods" height="20"></a>

Per session 24 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 1,073 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. Scan, not verified.

Origin original No closer match found in the catalogue.

Token cost

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	$0.00024	$0.01073
Opus 5	$0.00012	$0.00536
Sonnet 5	$0.00005	$0.00215
Haiku 4.5	$0.00002	$0.00107

Measured 3d ago against content hash 2c057ffe60c3, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

ouroboros-config 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.

skills/config/SKILL.md · 118 lines

How it starts

The opening of the file, as written. The whole thing — 118 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/ouroboros:ouroboros-config

Settings for ~/.ouroboros/config.yaml: per-stage runtime/model selects, global runtime + LLM backend, install badges for missing CLIs, and env-override warnings.

Usage

ooo config
/ouroboros:ouroboros-config

Trigger keywords: "ooo config", "open settings", "configure ouroboros", "change model", "change agent"

Instructions

Pick the branch that matches where you (the agent) are running. The decisive question: can the user open a browser pointed at this machine?

Branch A — local harness (Claude Code / Codex on the user's own machine)

Launch in the background (the command serves until stopped):
```
if command -v ouroboros >/dev/null 2>&1; then
  ouroboros config
else
  uvx --python '>=3.12' --from 'ouroboros-ai[tui]' ouroboros config
fi
```
The command detects the non-interactive context itself and serves the settings app over a local web server, auto-opening the user's browser. The uvx fallback is required for a Marketplace-plugin-only install, where the MCP server exists but ouroboros is not on PATH. In a development checkout use uv run ouroboros config.
Relay the http://localhost:<port> line from the output so the user can open it manually if the browser did not pop up.
Tell the user: edit → Save → then ask you to stop the server. Remind them a running MCP server may need a reconnect to pick up backend changes. Tell them they can reopen these settings any time with ooo config; saving a model choice never locks it permanently.

Branch B — remote host the user can reach over the network (SSH box, home server)

The user cannot see a browser opened here, but may be able to reach this host. Serve without auto-open and hand over the URL:

ouroboros config --web --host 0.0.0.0 --no-browser

Relay the printed URL with this host's address substituted, plus the SSH tunnel fallback the command prints (ssh -L <port>:localhost:<port> <this-host>).

Read the full file on GitHub · 118 lines

Changes

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 Changed 2c057ffe60c3
5d ago First seen · 118 lines · 24 tokens per session scan A 2eeb80f447ce

Subscribe to this mod's changes

ouroboros-config is a skill published in the GitHub repository Q00/ouroboros (5,769 stars, last pushed today), licensed MIT. It adds 24 tokens to every session and 1,073 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 2026-08-30.

agent-os agentic-ai ai-agent claude-code cli llm-orchestration

llm-pipeline

Use when wiring several LLM calls into a production flow: typed contracts between steps, a router/gateway so 429s, timeouts and outages fail over instead of taking you down, and cost control via caching, model tiers and abort caps. NOT single-prompt wording (that is prompt-engineering), NOT a model-driven tool loop…

ericrisco/rsc-harness · 83 tokens

worker-integration

Worker-Agent integration for intelligent task dispatch and performance tracking.

ruvnet/ruflo · 14 tokens

foundry-config-setup

Resolve missing setup caused by a hardcoded Foundry project endpoint or model in a sample. Use when a sample fails because it uses a placeholder/hardcoded projectendpoint (for example "https://your-project.services.ai.azure.com") or a hardcoded model instead of reading them from the environment.

microsoft/agent-framework · 65 tokens

ouroboros-config