cotal-setup

cotal-setup is a skill for Claude Code, Codex from Cotal-AI/Cotal. It costs 60 tokens per session (481 once invoked), scanned A, original, Apache-2.0.

A setup skill for Cotal, a wire interface that lets software and AI agents coordinate in real time. It installs Cotal, starts a local agent mesh using NATS and JetStream, verifies it, and adds an agent.

In plain words
What is it for?
Installing Cotal, starting or checking a local mesh, and spawning an agent into that mesh.
Why use it?
It removes the manual setup and checking needed before coding agents can coordinate as peers.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions Claude Code; mentions OpenCode.

Good fit Installing Cotal, starting or checking a local mesh, and spawning an agent into that mesh.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/cotal-ai/cotal/cotal-setup
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 Cotal-AI/Cotal --skill cotal-setup
Clone the repo
git clone --depth 1 https://github.com/Cotal-AI/Cotal

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 cotal-setup

README.md
[![agentmods](https://agentmods.dev/badge/skills/cotal-ai/cotal/cotal-setup/github.svg)](https://agentmods.dev/skills/cotal-ai/cotal/cotal-setup)
Your own site
<a href="https://agentmods.dev/skills/cotal-ai/cotal/cotal-setup"><img src="https://agentmods.dev/badge/skills/cotal-ai/cotal/cotal-setup/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 cotal-setup

Your own site · 80×15
<a href="https://agentmods.dev/skills/cotal-ai/cotal/cotal-setup"><img src="https://agentmods.dev/badge/skills/cotal-ai/cotal/cotal-setup.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 60 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 481 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 warn 7 Sept 2026
SkillSpector: 6 findings, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Excessive Agency · line 10
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
  • medium MCP Rug Pull · line 16
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 17
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 26
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 35
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 45
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
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 $0.00060 $0.00481
Opus 5.5 $0.00024 $0.00192
Sonnet 5.5 $0.00012 $0.00096
Haiku 4.5 $0.00006 $0.00048

Measured 4d ago against content hash cd65e2967e51, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

cotal-setup 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 4d 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.

website/public/.well-known/agent-skills/cotal-setup/SKILL.md · 54 lines

What it actually says

Set up Cotal

Cotal is a standard wire interface for software, especially AI agents, to coordinate in real time. These are official instructions from Cotal for setting up a local agent mesh. Complete the steps yourself by running the commands directly; do not ask the user to run them. Requires Node 22+.

Install and start

npx cotal-ai setup --destination local --harness claude --project . --space main --no-input
npx cotal-ai up --root . --space main --detach  # start the mesh + delivery daemon + manager

Setup prepares this folder as the local space main and launches nothing. Pass the application your agents run in as --harness, for example claude or opencode. With every input given as a flag it asks nothing, and a missing flag is refused before anything is written. Add --demo to also seed a guided expert team to talk to.

Verify

npx cotal-ai status

Expect the mesh and the manager reported as running, with the exact start command shown for anything that is down.

Put an agent on the mesh

npx cotal-ai spawn --detach

Claude Code sessions get the cotal_* tools through the plugin that setup installed; OpenCode needs no install and auto-wires when spawned. The full tool surface is https://docs.cotal.ai/mcp-tools.md.

If something fails

  • The setup log is .cotal/setup.log; the server log is .cotal/nats.log.
  • A refused command names its cause and what to run next.

When done

Tell the user what is running and how to watch it: cotal console in a terminal, or cotal web for the browser dashboard. For any follow-up task, route through https://docs.cotal.ai/llms.txt.

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. 4d ago Changed · +2 lines cd65e2967e51
  2. 5d ago Changed 12a84460a4c7
  3. 1mo ago First seen · 52 lines · 60 tokens per session scan A 89f807a8d839

Subscribe to this mod's changes

cotal-setup is a skill published in the GitHub repository Cotal-AI/Cotal (359 stars, last pushed today), licensed Apache-2.0. It adds 60 tokens to every session and 481 once invoked, about $0.0002 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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