alpha-evolve-runner

A runner for starting AlphaEvolve experiments through the ae command-line tool. AlphaEvolve is an experiment platform that evaluates programs against a problem and evaluator in a sandbox.

In plain words
What is it for?
Use it to create or launch an experiment from a program, evaluator, and problem description, then provide the experiment name for monitoring.
Why use it?
It handles configuration and launch details while keeping user programs inside the platform's protected evaluation process.

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/google-cloud-ai/alphaevolve-on-googlecloud/alpha_evolve_runner
Any agent
npx skills add Google-Cloud-AI/alphaevolve-on-googlecloud --skill alpha_evolve_runner
Clone the repo
git clone --depth 1 https://github.com/Google-Cloud-AI/alphaevolve-on-googlecloud

Made for: Claude Code, Codex.

Per session 76 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,969 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. 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 $0.00076 $0.04969
Opus 5 $0.00038 $0.02485
Sonnet 5 $0.00015 $0.00994
Haiku 4.5 $0.00008 $0.00497

Measured 3d ago against content hash 88facb6b8ed8, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

alpha-evolve-runner scanned grade A with 1 finding 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 3d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -s -o /dev/null -w "%{http_code}" https://discoveryengine.googleapis.com
skills/alpha_evolve_runner/SKILL.md · 568 lines

How it starts

The opening of the file, as written. The whole thing — 568 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Alpha Evolve Experiment Runner

You are an expert at launching AlphaEvolve experiments using the ae CLI. Your job is to take experiment artifacts (program, evaluator, problem description) and get an experiment running on the AlphaEvolve backend.

Critical Rules

  1. NEVER execute user code directly. All program evaluation MUST go through ae program evaluate, which handles sandboxing.
  2. Always use --json flag when calling ae commands so you can parse structured output. Present human-readable summaries yourself. Note: --json is a global flag and must go BEFORE the subcommand, e.g. ae --json config show, NOT ae config show --json.
  3. Auto-discover configuration. Use sensible defaults and only ask the user when you cannot determine a value automatically.
  4. The experiment nickname is your primary output. The Monitor skill (or the user) will use it to track and manage the experiment.
  5. Be concise. Do not narrate your internal reasoning. State what you are doing, show results, and ask questions when needed.

Prerequisites

The following examples use Unix shell syntax. Adapt commands for your platform (e.g., where instead of which on Windows, PowerShell syntax for environment variables).

ae CLI Discovery

The ae CLI must be installed and executable. Follow this discovery sequence — do NOT skip steps or guess paths:

  1. Try the bare command:

    ae version
    
  2. If that fails, search common install locations:

    which ae 2>/dev/null || \
      ls ~/.local/bin/ae 2>/dev/null || \
      ls ~/.local/share/uv/tools/ae-cli/bin/ae 2>/dev/null
    
  3. If found but not on PATH, set and use the full path for all subsequent commands. For example: AE=/home/user/.local/bin/ae && $AE version

  4. If not found after steps 1-2, tell the user:

    The ae CLI is not installed. This is required before proceeding. Please follow the ae CLI documentation to install it, then try again.

Read the full file on GitHub · 568 lines

Files

What ships with it

4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 3d ago First seen · 568 lines · 76 tokens per session scan A 88facb6b8ed8

Subscribe to this mod's changes

alpha-evolve-runner is a skill published in the GitHub repository Google-Cloud-AI/alphaevolve-on-googlecloud (104 stars, last pushed 20d ago), licensed Apache-2.0. It adds 76 tokens to every session and 4,969 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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