agentos-evolve

A command that creates, registers and evaluates a changed function from a stated goal.

In plain words
What is it for?
Use it when you want to evolve a function from a short description and have the result evaluated through the AgentOS service.
Why use it?
It removes the need to perform those three steps manually when trying a generated function.

Command

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 commands/iii-experimental/agentos/agentos-evolve
Clone the repo
git clone --depth 1 https://github.com/iii-experimental/agentos
Per session 16 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 91 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 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 $0.00016 $0.00091
Opus 5 $0.00008 $0.00046
Sonnet 5 $0.00003 $0.00018
Haiku 4.5 $0.00002 $0.00009

Measured 2d ago against content hash 5ff34a2671ac, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade B, and why

agentos-evolve scanned grade B with 2 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 2d 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.

Sends data to an external URLmediumData exfiltration

A POST to an outside endpoint may be telemetry or may be exfiltration; either way the mod talks to somewhere, and you should know where.

curl -s -X POST http://localhost:3111/api/evolve/generate -H 'Content-Type: application/json' -d '{"goal": "$ARGUMENTS", "name": "evolved-fn", "agentId": "claude-code"}' | jq .

Makes network callslowCapability

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

curl -s -X POST http://localhost:3111/api/evolve/generate -H 'Content-Type: application/json' -d '{"goal": "$ARGUMENTS", "name": "evolved-fn", "agentId": "claude-code"}' | jq .
plugin/commands/agentos-evolve.md · 10 lines

What it actually says

Evolve a function:

curl -s -X POST http://localhost:3111/api/evolve/generate -H 'Content-Type: application/json' -d '{"goal": "$ARGUMENTS", "name": "evolved-fn", "agentId": "claude-code"}' | jq .
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. 2d ago First seen · 10 lines · 16 tokens per session scan B 5ff34a2671ac

Subscribe to this mod's changes

agentos-evolve is a command published in the GitHub repository iii-experimental/agentos (162 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 16 tokens to every session and 91 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it B with 2 findings (sends data to an external url, 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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