aithy: Skill for Claude Code

.claude/skills/ax-agent-rlm/SKILL.md

ax-agent-rlm is a skill for Claude Code from dosco/aithy. It costs 88 tokens per session (7,356 once invoked), scanned A, a copy of ax-agent-rlm, Apache-2.0.

A coding guide for AxAgent's runtime where an agent can execute code and ask a language model for help during a task. It covers runtime context, prompt controls, recursion, and limits on generated output.

In plain words
What is it for?
Use it when building AxAgent code-execution workflows, semantic helper calls with llmQuery, runtime context policies, recursive agents, or agent tests.
Why use it?
It helps keep large inputs and long-running agent work manageable while controlling what enters prompts, what stays available at runtime, and how much execution is allowed.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is dosco/aithy's own configuration. It tells Claude Code how to work on aithy 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 aithy configures →

Reuse

Borrowing it

Nothing to install: this file belongs to dosco/aithy. 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/dosco/aithy/main/.claude/skills/ax-agent-rlm/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/dosco/aithy

Made for: Claude Code.

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
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Your own site · 80×15
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Per session 88 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 7,356 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 98% copy Near-identical to another mod 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 $0.00088 $0.07356
Opus 5.5 $0.00035 $0.02942
Sonnet 5.5 $0.00018 $0.01471
Haiku 4.5 $0.00009 $0.00736

Measured 1mo ago against content hash c07d173e4b21, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ax-agent-rlm 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.

Origin

This is a copy

98% identical to ax-agent-rlm — 19 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.claude/skills/ax-agent-rlm/SKILL.md · 502 lines

How it starts

The opening of the file, as written. The whole thing — 502 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AxAgent RLM Runtime Rules (@ax-llm/ax)

Use this skill for code-runtime agents and llmQuery(...) semantic-helper behavior. For ordinary agent setup, child agents, tool namespaces, clarification, and bubbleErrors, use ax-agent. For callbacks and logs, use ax-agent-observability. For memories and skill loading, use ax-agent-memory-skills.

Use These Defaults

  • Use agent(...), not new AxAgent(...).
  • In stdout-mode RLM, use one observable console.log(...) step per non-final actor turn.
  • Rely on autoUpgrade (ON by default) for oversized inputs you did not declare in contextFields: any input value over ~8k serialized chars is kept runtime-only automatically, with a 1,200-char prompt preview plus a contextMetadata line, while the full value stays live in the runtime as inputs.<field>. Declare a field in contextFields only when you want a specific inline policy (promptMaxChars / keepInPromptChars) or need a large required non-string field kept out of the prompt (those are left inline by auto-upgrade).
  • Default to contextPolicy: { preset: 'checkpointed', budget: 'balanced' } for most RLM tasks.
  • Prefer contextPolicy: { preset: 'adaptive', budget: 'balanced' } when older successful turns should collapse sooner while live runtime state stays visible.
  • Use contextMap for recurring long-context corpora when the distiller should start future runs with a small persisted orientation cache.
  • Prefer promptLevel: 'default' for normal use.
  • Use promptLevel: 'detailed' when you want extra anti-pattern examples and tighter teaching scaffolding in the actor prompt.
  • Prefer executorModelPolicy when the actor may need to upgrade after repeated error turns or discovery in specific namespaces without also upgrading the responder.
  • Use explicit child agents in functions: [...] when the task needs specialist agents with their own tools/runtime.
  • Use llmQuery(...) only for focused semantic questions over narrowed context; it does not spawn a tool-using child AxAgent.
  • Prefer maxSubAgentCalls only when you need an explicit cap on llmQuery(...) sub-query usage.

Read the full file on GitHub · 502 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 Changed c07d173e4b21
  2. 1mo ago First seen · 502 lines · 88 tokens per session scan A 2190e4093118

Subscribe to this mod's changes

ax-agent-rlm is a skill published in the GitHub repository dosco/aithy (108 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 88 tokens to every session and 7,356 once invoked, about $0.0004 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 98% identical to ax-agent-rlm, differing in 19 lines, and is treated as a copy.

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