bernstein AGENTS.md

Repository guidance for Bernstein, a tool that runs many command-line coding agents in parallel and records their results. It maps the main Python packages and explains the project’s setup, testing, and directory rules.

In plain words
What is it for?
Working on agent adapters, the orchestration engine, plugins, the terminal interface, the GitHub integration, evaluation tools, or tests.
Why use it?
It helps an agent find the right part of the codebase and follow the required checks when changing the orchestrator.

Instructions file for CodexOpenCode

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 instructions/sipyourdrink-ltd/bernstein/agents-md
Clone the repo
git clone --depth 1 https://github.com/sipyourdrink-ltd/bernstein

Made for: Codex, OpenCode.

Per session 1,131 This file is loaded in full into every session.
When invoked 1,131 The same file — it is already loaded in full.
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 $0.01131 $0.01131
Opus 5 $0.00566 $0.00566
Sonnet 5 $0.00226 $0.00226
Haiku 4.5 $0.00113 $0.00113

Measured yesterday against content hash 624b1a18d857, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

bernstein AGENTS.md 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 yesterday.

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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

AGENTS.md · 106 lines

How it starts

The opening of the file, as written. The whole thing — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.

bernstein - AGENTS.md

Overview

Bernstein is a deterministic orchestrator for CLI coding agents (Claude Code, Codex, Gemini CLI, and 40+ more). It runs them in parallel, gates what they produce, and records enough of the run that you can check it afterwards. Air-gap install profile included. Apache-2.0.

Module map

Full per-file map: docs/sdd/module-map.md (generated).

Package Purpose / detail
core/ orchestration engine - src/bernstein/core/
adapters/ CLI agent adapters - src/bernstein/adapters/AGENTS.md
agents/ agent catalog & discovery - src/bernstein/agents/
cli/ Click CLI - src/bernstein/cli/AGENTS.md
evolution/ self-evolution engine - src/bernstein/evolution/
eval/ evaluation harness - src/bernstein/eval/
plugins/ plugin system (pluggy) - src/bernstein/plugins/
tui/ Textual TUI - src/bernstein/tui/
github_app/ GitHub App integration - src/bernstein/github_app/
mcp/ MCP server - src/bernstein/mcp/
benchmark/ SWE-bench - src/bernstein/benchmark/

Directory context files

Per-directory context files for agents working inside a subtree. Each covers: what the directory is for, key files, invariants, and how to test that subtree.

Path Covers
src/bernstein/adapters/AGENTS.md CLI agent adapters
src/bernstein/cli/AGENTS.md Click CLI
src/bernstein/core/lineage/AGENTS.md Lineage: artifact provenance
src/bernstein/core/orchestration/AGENTS.md Orchestration engine
src/bernstein/core/quality/AGENTS.md Quality gates and verification
src/bernstein/core/security/AGENTS.md Security: audit chain, identity, policy
tests/AGENTS.md Test suite

Read the full file on GitHub · 106 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.

  1. yesterday First seen · 106 lines · 1,131 tokens per session scan A 624b1a18d857

Subscribe to this mod's changes

bernstein AGENTS.md is an instructions file published in the GitHub repository sipyourdrink-ltd/bernstein (1,038 stars, last pushed today), licensed Apache-2.0. It adds 1,131 tokens to every session, about $0.0057 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.