termio

termio is a skill for Claude Code, Codex from termio-sh/termio. It costs 99 tokens per session (758 once invoked), scanned A, original, MIT.

A skill for viewing and controlling other coding-agent or terminal sessions on the same computer through the termiod command-line tool.

In plain words
What is it for?
Use it to list sessions, start agent or terminal sessions, send prompts or answers, and update your own status.
Why use it?
It lets you check whether another session is working or waiting and communicate with it without opening each session manually.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to list sessions, start agent or terminal sessions, send prompts or answers, and update your own status.

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Install with agentmods
npx agentmods add skills/termio-sh/termio/termio-device
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.

Any agent
npx skills add termio-sh/termio --skill termio-device
Clone the repo
git clone --depth 1 https://github.com/termio-sh/termio

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 termio

README.md
[![agentmods](https://agentmods.dev/badge/skills/termio-sh/termio/termio-device/github.svg)](https://agentmods.dev/skills/termio-sh/termio/termio-device)
Your own site
<a href="https://agentmods.dev/skills/termio-sh/termio/termio-device"><img src="https://agentmods.dev/badge/skills/termio-sh/termio/termio-device/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for termio

Your own site · 80×15
<a href="https://agentmods.dev/skills/termio-sh/termio/termio-device"><img src="https://agentmods.dev/badge/skills/termio-sh/termio/termio-device.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 99 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 758 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00099 $0.00758
Opus 5.5 $0.00040 $0.00303
Sonnet 5.5 $0.00020 $0.00152
Haiku 4.5 $0.00010 $0.00076

Measured 1mo ago against content hash 738b58c0fc7b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

termio 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.

Sources/termio/Resources/skills/termio-device/SKILL.md · 56 lines

How it starts

The opening of the file, as written. The whole thing — 56 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Driving sibling sessions (termiod)

If TERMIOD_SESSION_ID is not set in your environment, you are not running inside a termiod session — say so and stop instead of trying to drive sessions you cannot see.

You are running inside a session hosted by termiod on this machine, alongside other sessions on the same host. Coordinate with them through the termiod CLI. The installed CLI is the authority on syntax: where this text and termiod --help disagree, trust the CLI.

Sessions here are scoped to this machine, not to a project. The daemon lists every session it hosts, so read the names and working directories before acting on one — there is no project filter to lean on.

  • termiod list --json — every session on this host, with its status (working / idle / needs_you / done / failed / unknown), name, and pid. Sessions are addressed by id or by name; both work everywhere a target is taken.
  • termiod send <target> "<text>" — type into a session as if the user had. Use it to answer a sibling that is blocked on a question. --no-enter types the text without pressing Enter.
  • termiod create --name <name> --cwd <dir> -- <program> [args…] — start a new session and print its id. With no -- argv it starts a login shell.
  • termiod kill <target> — kill a session and its process group.
  • termiod set-status "$TERMIOD_SESSION_ID" <state> — report your own state. Valid states are working, idle, needs_you, done, failed, and unknown. --title "<short label>" sets the label a viewer shows beside the session.

When to use this

  • Delegating. A task that is genuinely separate work — a long build, an independent investigation — can go to a new session so the user watches it in its own pane.
  • Supervising. Before reporting that something is done, check whether a sibling you started is still working or has gone needs_you.
  • Unblocking. A sibling sitting at needs_you is waiting on a human. If you can answer it from what you already know, send the answer.

Read the full file on GitHub · 56 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 First seen · 56 lines · 99 tokens per session scan A 738b58c0fc7b

Subscribe to this mod's changes

termio is a skill published in the GitHub repository termio-sh/termio (548 stars, last pushed today), licensed MIT. It adds 99 tokens to every session and 758 once invoked, about $0.0004 per session on Opus 5.5. 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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