runtime-adapters

runtime-adapters is a skill for Claude Code, Codex from agentlas-ai/Agentlas-OS. It costs 45 tokens per session (235 once invoked), scanned A, original, Apache-2.0.

A set of adapters that lets one set of agent instructions work with Codex, Claude Code, Gemini CLI, Cursor, and other runtimes. The shared instructions live in AGENTS.md, while each tool gets its own format.

In plain words
What is it for?
Use it when a generated repository needs support for multiple AI coding runtimes, including their command files, skills, manifests, and documented command aliases.
Why use it?
It avoids copying and maintaining the same instructions separately for every coding tool. Changes can start from one canonical source and be mapped to each tool’s conventions.

Skill for Claude CodeCodex

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 skills/agentlas-ai/agentlas-os/runtime-adapters
Any agent
npx skills add agentlas-ai/Agentlas-OS --skill runtime-adapters
Clone the repo
git clone --depth 1 https://github.com/agentlas-ai/Agentlas-OS

Made for: Claude Code, Codex.

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 runtime-adapters

README.md
[![agentmods](https://agentmods.dev/badge/skills/agentlas-ai/agentlas-os/runtime-adapters.svg)](https://agentmods.dev/skills/agentlas-ai/agentlas-os/runtime-adapters)
Your own site
<a href="https://agentmods.dev/skills/agentlas-ai/agentlas-os/runtime-adapters"><img src="https://agentmods.dev/badge/skills/agentlas-ai/agentlas-os/runtime-adapters.svg" alt="Measured on agentmods" height="20"></a>
Per session 45 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 235 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 $0.00045 $0.00235
Opus 5 $0.00023 $0.00118
Sonnet 5 $0.00009 $0.00047
Haiku 4.5 $0.00005 $0.00023

Measured 4d ago against content hash 055f8a5f8376, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

runtime-adapters 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/skills/runtime-adapters/SKILL.md · 24 lines

What it actually says

Runtime Adapters

Rules

  • AGENTS.md is canonical.
  • .claude/, .codex/, .gemini/, .cursor/, and root skills/ are thin adapters or mirrors.
  • .agentlas/global-commands.json records the command each adapter exposes.
  • Adapter text should point back to AGENTS.md.
  • Do not claim identical behavior across runtimes. Say the canonical core is portable and each adapter maps it into local conventions.

Required Adapters

  • Codex: plugin manifest plus skill and commands/<slug>.md.
  • Claude Code: command, agent, and skill adapter under .claude/commands/.
  • Gemini CLI: GEMINI.md plus .gemini/commands/<slug>.toml.
  • Generic: root AGENTS.md with the command alias documented.
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 · 24 lines · 45 tokens per session scan A 055f8a5f8376

Subscribe to this mod's changes

runtime-adapters is a skill published in the GitHub repository agentlas-ai/Agentlas-OS (1,099 stars, last pushed yesterday), licensed Apache-2.0. It adds 45 tokens to every session and 235 once invoked, about $0.0002 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.

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