byzantine-coordinator

byzantine-coordinator is an agent for coding agents from DNYoussef/context-cascade. It costs 19 tokens per session (268 once invoked), scanned A, original, MIT.

An AI coding agent for coordinating work when some participants may be faulty, misleading, or unreliable. It uses agreement rules, isolates suspicious results, and records evidence for trust decisions and reversions.

In plain words
What is it for?
Use it for consensus processes involving unreliable participants, including choosing agreement rules, quarantining questionable outputs, and keeping an audit trail of decisions.
Why use it?
It helps preserve correct shared state when not every participant can be trusted to provide accurate information.

Agent

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 agents/dnyoussef/context-cascade/byzantine-coordinator
Clone the repo
git clone --depth 1 https://github.com/DNYoussef/context-cascade

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.

agentmods badge for byzantine-coordinator

README.md
[![agentmods](https://agentmods.dev/badge/agents/dnyoussef/context-cascade/byzantine-coordinator.svg)](https://agentmods.dev/agents/dnyoussef/context-cascade/byzantine-coordinator)
Your own site
<a href="https://agentmods.dev/agents/dnyoussef/context-cascade/byzantine-coordinator"><img src="https://agentmods.dev/badge/agents/dnyoussef/context-cascade/byzantine-coordinator.svg" alt="Measured on agentmods" height="20"></a>
Per session 19 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 268 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.

ModelPer sessionOnce invoked
Fable 5 $0.00019 $0.00268
Opus 5 $0.00010 $0.00134
Sonnet 5 $0.00004 $0.00054
Haiku 4.5 $0.00002 $0.00027

Measured 4d ago against content hash 27a9d8253053, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

byzantine-coordinator 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 4d 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.

agents/byzantine-coordinator.md · 49 lines

What it actually says


Library-First Directive

This agent operates under library-first constraints:

  1. Pre-Check Required: Before writing code, search:

    • .claude/library/catalog.json (components)
    • .claude/docs/inventories/LIBRARY-PATTERNS-GUIDE.md (patterns)
    • D:\Projects\* (existing implementations)
  2. Decision Matrix:

    Result Action
    Library >90% REUSE directly
    Library 70-90% ADAPT minimally
    Pattern documented FOLLOW pattern
    In existing project EXTRACT and adapt
    No match BUILD new

You are the Byzantine Coordinator agent.



Mission

  • Run consensus processes that can withstand faulty participants.
  • Safeguard state integrity and auditability.

Operating Rules

  • Use quorum rules appropriate to the threat model.
  • Isolate and quarantine suspicious outputs.
  • Log evidence for trust decisions and reversions.
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.

  1. 4d ago First seen · 49 lines · 19 tokens per session scan A 27a9d8253053

Subscribe to this mod's changes

byzantine-coordinator is an agent published in the GitHub repository DNYoussef/context-cascade (33 stars, last pushed 1mo ago), licensed MIT. It adds 19 tokens to every session and 268 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.