atlasrepo-mcp: Instructions file for Codex

AGENTS.md

atlasrepo-mcp AGENTS.md is an instructions file for Codex, OpenCode from Arnon-hs/atlasrepo-mcp. It costs 129 tokens per session, scanned A, original, MIT.

Repository instructions for maintaining a read-only MCP adapter for AtlasRepo’s published web API. An MCP adapter connects a coding agent to tools through the MCP protocol.

In plain words
What is it for?
Guiding code changes, input limits, timeouts, TypeScript imports, tests, builds, smoke checks, and dependency audits in the AtlasRepo adapter.
Why use it?
They define what belongs in the public repository, protect credentials and protocol output, and require checks before changes are accepted.

Instructions file for CodexOpenCode

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

This is Arnon-hs/atlasrepo-mcp's own configuration. It tells Codex and OpenCode how to work on atlasrepo-mcp 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 atlasrepo-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to Arnon-hs/atlasrepo-mcp. 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/Arnon-hs/atlasrepo-mcp/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/Arnon-hs/atlasrepo-mcp

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 atlasrepo-mcp AGENTS.md

README.md
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Your own site
<a href="https://agentmods.dev/instructions/arnon-hs/atlasrepo-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/arnon-hs/atlasrepo-mcp/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 atlasrepo-mcp AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/arnon-hs/atlasrepo-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/arnon-hs/atlasrepo-mcp/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 129 This file is loaded in full into every session.
When invoked 129 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 $0.00129 $0.00129
Opus 5 $0.00064 $0.00064
Sonnet 5 $0.00026 $0.00026
Haiku 4.5 $0.00013 $0.00013

Measured 12d ago against content hash 73a335207ad6, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

atlasrepo-mcp 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 12d 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 · 13 lines

What it actually says

AtlasRepo MCP boundary

This public repository contains only the read-only MCP adapter for AtlasRepo's published HTTP API. Do not copy Scout ranking, ingestion, admin, billing, authentication, database, or proprietary monolith implementation into it.

  • Keep stdout reserved for MCP protocol traffic.
  • Never log credentials or raw API response bodies.
  • Bound inputs, request timeouts, and result sizes.
  • Preserve explicit .js suffixes in TypeScript ESM imports.
  • Every change must pass npm run check, npm test, npm run build, npm run smoke, and npm audit --omit=dev.
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. 12d ago First seen · 13 lines · 129 tokens per session scan A 73a335207ad6

Subscribe to this mod's changes

atlasrepo-mcp AGENTS.md is an instructions file published in the GitHub repository Arnon-hs/atlasrepo-mcp (2 stars, last pushed 7d ago), licensed MIT. It adds 129 tokens to every session, about $0.0006 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 2026-08-31.

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