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agentlint: Instructions file for Codex

AGENTS.md

agentlint AGENTS.md is an instructions file for Codex, OpenCode from samilozturk/agentlint. It costs 1,560 tokens per session, scanned A, original, MIT.

Repository instructions for Agent Lint, a monorepo—a repository containing several related packages. They define package boundaries, strict TypeScript rules, evidence requirements, command interfaces, and prohibited changes.

In plain words
What is it for?
Changing Agent Lint's shared code, core library, MCP tools, command-line commands, documentation, tests, and release files.
Why use it?
They help agents preserve the relationships between packages and keep the command-line and MCP interfaces, documentation, and tests aligned.

Instructions file for CodexOpenCode

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

This is samilozturk/agentlint's own configuration. It tells Codex and OpenCode how to work on agentlint 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 agentlint configures →

not rated 32repo 6mo ago A scan 1,560 tokens original MIT
View source ↗ samilozturk/agentlint npmjs.com
Reuse

Borrowing it

Nothing to install: this file belongs to samilozturk/agentlint. 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/samilozturk/agentlint/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/samilozturk/agentlint

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.

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

Your own site · 80×15
<a href="https://agentmods.dev/instructions/samilozturk/agentlint/agents-md"><img src="https://agentmods.dev/badge/instructions/samilozturk/agentlint/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 1,560 This file is loaded in full into every session.
When invoked 1,560 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 $0.01560 $0.01560
Opus 5.5 $0.00624 $0.00624
Sonnet 5.5 $0.00312 $0.00312
Haiku 4.5 $0.00156 $0.00156

Measured 1mo ago against content hash dc0d7fc1fc43, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

agentlint 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 1mo 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 · 133 lines

How it starts

The opening of the file, as written. The whole thing — 133 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Agent Lint

Do

  • Use repository evidence before editing context artifacts: root scripts, package READMEs, tests, and release docs.
  • Keep the monorepo boundary intact: shared <- core <- mcp and shared <- core <- cli.
  • Keep strict TypeScript, small published packages, and stderr-only logging.
  • Update public docs and docs-consistency tests when CLI commands, MCP tools/resources, or supported clients change.
  • Read the package-local AGENTS files before making scoped changes in packages/mcp or packages/cli.

Do Not

  • Do not add any, console.log, server-side state, or MCP-side file writes.
  • Do not rename MCP tool/resource IDs or CLI command surface without updating docs and tests in the same change.
  • Do not run publish, tag, mirror, or force-history commands unless the user explicitly asks.
  • Do not duplicate README prose here; keep this file operational.

Repository Evidence

  • Public npm packages: @agent-lint/mcp and @agent-lint/cli.
  • Authoritative MCP surface: packages/mcp/src/catalog.ts and packages/mcp/src/tools/.
  • Authoritative CLI surface: packages/cli/src/commands/ and packages/cli/src/commands/clients.ts.
  • Release and packaging rules: CONTRIBUTING.md, PUBLISH.md, scripts/, and package package.json files.

Clarification Gate

  • Scan code, docs, and tests first.
  • Ask only when ambiguity changes the public surface, release behavior, or client config format.
  • If repository evidence supports a safe default, proceed without asking.

Quick Commands

  • pnpm install
  • pnpm run build
  • pnpm run release-status
  • pnpm run typecheck
  • pnpm run lint
  • pnpm run test
  • pnpm --filter @agent-lint/mcp run build
  • pnpm --filter @agent-lint/cli run build
  • pnpm run mcp:stdio
  • pnpm run cli

Repo Map

  • packages/shared: schemas, parser, artifact conventions, and shared types.
  • packages/core: guidelines, workspace discovery, quick check, templates, and maintenance snippets.
  • packages/mcp: read-only MCP server, transports, tools, prompts, and resources. See packages/mcp/AGENTS.md.
  • packages/cli: TUI commands, client registry, config writers, and maintenance writers. See packages/cli/AGENTS.md.
  • scripts/: release, tag, mirror, and verification helpers.
  • .cursor/, .windsurf/, .github/copilot-instructions.md, .codex/: client-specific context and config.

Read the full file on GitHub · 133 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. 1mo ago First seen · 133 lines · 1,560 tokens per session scan A dc0d7fc1fc43

Subscribe to this mod's changes

agentlint AGENTS.md is an instructions file published in the GitHub repository samilozturk/agentlint (32 stars, last pushed 6mo ago), licensed MIT. It adds 1,560 tokens to every session, about $0.0062 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 2026-08-30.

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