launch-workflow

launch-workflow is a skill for Claude Code, Codex from nextflow-io/agent-skills. It costs 62 tokens per session (1,294 once invoked), scanned A, original, Apache-2.0.

A guide for submitting Nextflow pipelines to Seqera Platform, a service that runs and monitors workflows on cloud or high-performance computing clusters.

In plain words
What is it for?
Use it to launch pipelines on AWS, Google Cloud, Azure, or clusters using systems such as Slurm or LSF.
Why use it?
It organizes authentication, compute-environment setup, remote source code, and pipeline submission so the run uses the intended code and settings.

Skill for Claude CodeCodex

Part of the nextflow plugin — 5 skills, 1 command, 1 MCP server shipped together

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/nextflow-io/agent-skills/launch-workflow
Any agent
npx skills add nextflow-io/agent-skills --skill launch-workflow
Clone the repo
git clone --depth 1 https://github.com/nextflow-io/agent-skills

Made for: Claude Code, Codex.

Or install nextflow, the plugin that ships this one along with the rest of its 5 skills, 1 command, 1 MCP server.

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 launch-workflow

README.md
[![agentmods](https://agentmods.dev/badge/skills/nextflow-io/agent-skills/launch-workflow.svg)](https://agentmods.dev/skills/nextflow-io/agent-skills/launch-workflow)
Your own site
<a href="https://agentmods.dev/skills/nextflow-io/agent-skills/launch-workflow"><img src="https://agentmods.dev/badge/skills/nextflow-io/agent-skills/launch-workflow.svg" alt="Measured on agentmods" height="20"></a>
Per session 62 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,294 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 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 $0.00062 $0.01294
Opus 5 $0.00031 $0.00647
Sonnet 5 $0.00012 $0.00259
Haiku 4.5 $0.00006 $0.00129

Measured 4d ago against content hash 40ee0cca1679, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

launch-workflow 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.

skills/launch-workflow/SKILL.md · 149 lines

How it starts

The opening of the file, as written. The whole thing — 149 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Launch Pipeline on Seqera Platform

Launch Nextflow pipeline executions on cloud (AWS, Google Cloud, Azure) and HPC clusters (Slurm, LSF, etc.) through Seqera Platform. Seqera Platform manages the target compute environment, executes the pipeline from a remote Git repository, and provides monitoring.

Requires Nextflow 26.04 or later (for the nextflow auth and nextflow launch commands).

Main Flow

  1. Configure the compute environment — select a Seqera Platform compute environment for the target cloud or cluster.
  2. Ensure the pipeline is in a remote Git repository — Seqera Platform launches pipelines from GitHub (or a compatible Git host such as GitLab or Bitbucket). If the local pipeline is not yet hosted, assist the user in setting up the repository.
  3. Upload local changes — push any uncommitted local changes to the remote so the launched run reflects the user's current code.
  4. Launch with nextflow launch — submit the pipeline by passing the Git repository URL and the expected parameters.

Step 1: Authenticate with Seqera Platform

Check whether the user is already authenticated:

nextflow auth status

If not authenticated, sign in:

nextflow auth login

This opens a browser for authentication. Wait for the user to complete the login flow before proceeding.

Step 2: Configure the Compute Environment

List available compute environments using the Seqera API:

call_seqera_api(
  service: "platform",
  api_name: "platform_list_compute_envs",
  parameters: {}
)

Selecting the compute environment:

  1. Present the available compute environments to the user (name, platform type, region/cluster).
  2. If multiple environments are available, ask the user which one to use.
  3. If only one is available, propose it and ask for confirmation.
  4. Confirm the selected compute environment with the user before launching.

Step 3: Ensure the Pipeline Is in a Remote Git Repository

Seqera Platform launches pipelines from a remote Git URL — it cannot launch directly from a local path. Verify the pipeline directory is a Git repository connected to a remote on GitHub (or a compatible host like GitLab or Bitbucket).

Read the full file on GitHub · 149 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. 4d ago First seen · 149 lines · 62 tokens per session scan A 40ee0cca1679

Subscribe to this mod's changes

launch-workflow is a skill published in the GitHub repository nextflow-io/agent-skills (21 stars, last pushed 29d ago), licensed Apache-2.0. It adds 62 tokens to every session and 1,294 once invoked, about $0.0003 per session on Opus 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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