agentmods.dev

ob-1: Instructions file for Codex

AGENTS.md

ob-1 AGENTS.md is an instructions file for Codex, OpenCode from Overbrilliant/ob-1. It costs 536 tokens per session, scanned A, original, Apache-2.0.

A project memory file for Overbrilliant/ob-1, an AI coding agent. It records the codebase's tools, commands, important files, notes, checks, and known issues.

In plain words
What is it for?
Use it to document a TypeScript/Bun project, point to key files and topic notes, and track validated behaviour and follow-ups.
Why use it?
It gives the agent a concise reference for how the project is organised and what has already been learned.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions AGENTS.md.

This is Overbrilliant/ob-1's own configuration. It tells Codex and OpenCode how to work on ob-1 itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything ob-1 configures →

not rated 29repo +1 11d ago A scan 536 tokens original Apache-2.0
View source ↗ Overbrilliant/ob-1 overbrilliant.com
Reuse

Borrowing it

Nothing to install: this file belongs to Overbrilliant/ob-1. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/Overbrilliant/ob-1/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/Overbrilliant/ob-1

Made for: Codex, OpenCode.

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 ob-1 AGENTS.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/overbrilliant/ob-1/agents-md/github.svg)](https://agentmods.dev/instructions/overbrilliant/ob-1/agents-md)
Your own site
<a href="https://agentmods.dev/instructions/overbrilliant/ob-1/agents-md"><img src="https://agentmods.dev/badge/instructions/overbrilliant/ob-1/agents-md/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.

agentmods 80×15 button for ob-1 AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/overbrilliant/ob-1/agents-md"><img src="https://agentmods.dev/badge/instructions/overbrilliant/ob-1/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 536 This file is loaded in full into every session.
When invoked 536 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00536 $0.00536
Opus 5.5 $0.00214 $0.00214
Sonnet 5.5 $0.00107 $0.00107
Haiku 4.5 $0.00054 $0.00054

Measured 2mo ago against content hash 0cd5d0455004, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ob-1 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 2mo 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.md · 66 lines

What it actually says

AGENTS.md

OB-1 project memory index. OB-1 refreshes only the marked blocks below; edit freely outside them. Keep this concise (under ~200 lines). Put detailed notes in topic files and let episodes hold history.

Project index

Stack

  • TypeScript / Bun

Commands

  • run: bun run start

Key files

  • scripts/delivery-smoke.ts
  • src/cli/onboarding.ts
  • scripts/cli-flags-smoke.ts
  • src/memory/store.ts
  • src/agent/procs.ts
  • src/multimind/personas.ts
  • scripts/router-smoke.ts
  • src/agent/tools.ts
  • scripts/verify-smoke.ts
  • src/agent/loop.ts

Topic files

  • Detailed notes live in .ob1/topics/ when they exist.

Project memory

Validated checks

  • (none recorded yet)

Validated behavior checks

  • (none recorded yet)

Durable facts

  • (none promoted yet)

Quality patterns

  • (none promoted yet)

Failure patterns

  • (none recorded)

Known issues / follow-ups

  • (none recorded)

Episodes

  • Last episode: 2026-07-06T21-03-25-243Z-count-from-1-to-60-comma-separated-no-other- — Count from 1 to 60, comma separated, no other text. (2026-07-06)
  • Episode files: .ob1/episodes/*.md (local, ignored)

Conventions

  • Minimal runtime dependencies. Prefer Bun built-ins (bun:sqlite, fetch, node:*) where they fit. Heavy optional features such as browser_check load their packages lazily; keep new runtime dependencies justified and narrow.
  • Run bun run scripts/smoke.ts before committing memory/embedding changes.
  • Bundle-check with bun build src/index.ts --target=bun --outfile=/tmp/x.js (no tsc install).
  • Each layer is provider-/backend-swappable: sqlite-vec, tree-sitter, and other LLM providers are documented drop-in upgrades on a Node runtime.
  • See docs/planning/PROGRESS.md for the phased roadmap and docs/planning/ob1-plan.html for the full design.
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. 2mo ago First seen · 66 lines · 536 tokens per session scan A 0cd5d0455004

Subscribe to this mod's changes

ob-1 AGENTS.md is an instructions file published in the GitHub repository Overbrilliant/ob-1 (29 stars, last pushed 11d ago), licensed Apache-2.0. It adds 536 tokens to every session, about $0.0021 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.

LLMMemory and contextai-coding-agentbunclicoding-agentfree
Related

ob-1 AGENTS.md compared with instructions from other repositories

ob-1 AGENTS.md next to 6 instructions from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
ob-1 AGENTS.mdOverbrilliant/ob-1Instructions file2911d agoApache-2.0A536Codex, OpenCode
vscode buildNext.instructions.mdmicrosoft/vscodeInstructions file195kyesterdayMITA9,719GitHub Copilot
next.js AGENTS.mdvercel/next.jsInstructions file143kyesterdayMITA7,461Codex, OpenCode
langchain AGENTS.mdlangchain-ai/langchainInstructions file149kyesterdayMITA4,680Codex, OpenCode
vscode oss-third-party-notices.instructions.mdmicrosoft/vscodeInstructions file195kyesterdayMITA5,516GitHub Copilot
vscode copilot-instructions.mdmicrosoft/vscodeInstructions file195kyesterdayMITA3,093GitHub Copilot
deepseek-harness AGENTS.mddeepseek-ai/deepseek-harnessInstructions file274k2d agoMITA4,313Codex, OpenCode