hephaestus-cloud

hephaestus-cloud is a skill for Claude Code, Codex from agentlas-ai/Agentlas-OS. It costs 49 tokens per session (1,228 once invoked), scanned C, original, Apache-2.0.

A routing skill for selecting packages from the signed-in user's own Agentlas cloud storage. It keeps cloud discovery separate from the public marketplace and pins the exact package release used for an execution.

In plain words
What is it for?
Use it with `/hep-cloud` when staffing work from your own cloud packages only. It helps resolve the correct runner and select an exact cloud release for the task.
Why use it?
It prevents a request limited to private cloud packages from accidentally searching public or unrelated sources. It also avoids relying on an outdated cached list when packages have been added, replaced, or removed.

Skill for Claude CodeCodex

About the project

Agentlas OS is a local-first system for creating, storing, borrowing, and running specialist AI agents and temporary agent teams through supported hosts and models. It serves people who want reusable agents that remain available across computers and model workspaces, and the catalogue contains its skills, commands, hooks, agents, instructions, plugin, and rule.

agentlas-ai/Agentlas-OS · 1,101 stars · on GitHub

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/hephaestus-cloud
Any agent
npx skills add agentlas-ai/Agentlas-OS --skill hephaestus-cloud
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 hephaestus-cloud

README.md
[![agentmods](https://agentmods.dev/badge/skills/agentlas-ai/agentlas-os/hephaestus-cloud.svg)](https://agentmods.dev/skills/agentlas-ai/agentlas-os/hephaestus-cloud)
Your own site
<a href="https://agentmods.dev/skills/agentlas-ai/agentlas-os/hephaestus-cloud"><img src="https://agentmods.dev/badge/skills/agentlas-ai/agentlas-os/hephaestus-cloud.svg" alt="Measured on agentmods" height="20"></a>
Per session 49 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,228 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 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 5.1 $0.00049 $0.01228
Opus 5 $0.00024 $0.00614
Sonnet 5 $0.00010 $0.00246
Haiku 4.5 $0.00005 $0.00123

Measured 5d ago against content hash cfb23748e828, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade C, and why

hephaestus-cloud scanned grade C 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 5d 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.

Downloads and executes remote codehighSupply chain

curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.

`curl -fsSL https://raw.githubusercontent.com/agentlas-ai/Agentlas-OS/main/scripts/install-all-runtimes.sh | bash`

Makes network callslowCapability

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

`curl -fsSL https://raw.githubusercontent.com/agentlas-ai/Agentlas-OS/main/scripts/install-all-runtimes.sh | bash`
.agents/skills/hephaestus-cloud/SKILL.md · 117 lines

How it starts

The opening of the file, as written. The whole thing — 117 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Hephaestus Cloud Routing (my own cloud / 보관함)

Route the request through the signed-in user's OWN Agentlas cloud packages only. The active host LLM remains the staffing decision-maker; Cloud supplies a content menu and exact BYOM releases.

0. Scope rule

/hep-cloud is owner-scoped: it queries ONLY the authenticated owner's own cloud packages (보관함) through Core's typed sourceScope: "cloud". It does not search the public marketplace and does not search local private/plugin cards.

  • The user's own Cloud packages are restorable/owned by them. Entitlement, lease, and charged credits are server-authoritative; do not hard-code a price.
  • For the public marketplace only, use /hep-hub (sourceScope: "hub").
  • For the combined Local + own Cloud + public Hub menu, use /hep-network (sourceScope: "network").

Each unpinned Cloud discovery goes to the owner-scoped source for its current menu; a successful client cache entry must not hide a newly published, replaced, or removed package. Once the host validates and prepares a choice, the exact Cloud release remains pinned for that execution.

1. Resolve the runner

Run this resolution in a shell and use the first hit:

RUNNER=""
for c in \
  "$HOME/.agentlas/runtime/current/bin/hephaestus" \
  ./bin/hephaestus
do [ -x "$c" ] && RUNNER="$c" && break; done
if [ -z "$RUNNER" ]; then
  for cache in \
    "$HOME/.claude/plugins/cache/agentlas-core-engine/hephaestus" \
    "$HOME/.codex/plugins/cache/agentlas-core-engine/hephaestus"; do
    newest="$(ls -d "$cache"/*/bin/hephaestus 2>/dev/null | sort -V | tail -1)"
    [ -n "$newest" ] && [ -x "$newest" ] && RUNNER="$newest" && break
  done
fi

If no runner exists, tell the user to run the one-touch installer: curl -fsSL https://raw.githubusercontent.com/agentlas-ai/Agentlas-OS/main/scripts/install-all-runtimes.sh | bash

If shell execution is unavailable but the local hephaestus-network MCP is available, use the typed Workforce sequence in section 3. If that server cannot advertise owner-Cloud search plus exact bundle fetch, report source_not_supported; never fall back to the legacy cargo search path.

Read the full file on GitHub · 117 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. 5d ago First seen · 117 lines · 49 tokens per session scan C cfb23748e828

Subscribe to this mod's changes

hephaestus-cloud is a skill published in the GitHub repository agentlas-ai/Agentlas-OS (1,101 stars, last pushed 3d ago), licensed Apache-2.0. It adds 49 tokens to every session and 1,228 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it C with 2 findings (downloads and executes remote code, 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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