nextflow-development

nextflow-development is a skill for Claude Code from nota-america/forgecat-agent-profiles. It costs 95 tokens per session (2,377 once invoked), scanned B, a copy of nextflow-development, Apache-2.0.

A workflow for running nf-core bioinformatics pipelines with Nextflow, a tool for executing repeatable data-processing workflows. It covers RNA-seq, whole-genome or exome sequencing, and ATAC-seq data from local files or public repositories.

In plain words
What is it for?
Use it to acquire public datasets, prepare sample sheets, run sequencing pipelines, perform gene-expression or variant analyses, and verify results.
Why use it?
It removes much of the setup and coordination required to process sequencing data consistently.

Skill for Claude Code

Written for Claude Code: installed under .claude/. Also seen: mentions Claude Code.

Good fit Use it to acquire public datasets, prepare sample sheets, run sequencing pipelines, perform gene-expression or variant analyses, and verify results.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/nota-america/forgecat-agent-profiles/nextflow-development
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 nota-america/forgecat-agent-profiles --skill nextflow-development
Clone the repo
git clone --depth 1 https://github.com/nota-america/forgecat-agent-profiles

Made for: Claude Code.

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 nextflow-development

README.md
[![agentmods](https://agentmods.dev/badge/skills/nota-america/forgecat-agent-profiles/nextflow-development/github.svg)](https://agentmods.dev/skills/nota-america/forgecat-agent-profiles/nextflow-development)
Your own site
<a href="https://agentmods.dev/skills/nota-america/forgecat-agent-profiles/nextflow-development"><img src="https://agentmods.dev/badge/skills/nota-america/forgecat-agent-profiles/nextflow-development/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 nextflow-development

Your own site · 80×15
<a href="https://agentmods.dev/skills/nota-america/forgecat-agent-profiles/nextflow-development"><img src="https://agentmods.dev/badge/skills/nota-america/forgecat-agent-profiles/nextflow-development.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 95 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,377 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 97% copy Near-identical to another mod 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 $0.00095 $0.02377
Opus 5 $0.00048 $0.01189
Sonnet 5 $0.00019 $0.00475
Haiku 4.5 $0.00010 $0.00238

Measured 8d ago against content hash 8ea1e9c59764, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade B, and why

nextflow-development 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 8d ago.

The scan reads SKILL.md. This mod also ships 10 executable files (scripts/check_environment.py, scripts/detect_data_type.py, scripts/generate_samplesheet.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

| Permission denied | `sudo usermod -aG docker $USER` then re-login |

Makes network callslowCapability

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

| Not installed | `curl -fsSL https://get.nextflow.io -o get-nextflow.sh && less get-nextflow.sh && bash get-nextflow.sh && mv nextflow ~/bin/` |
Origin

This is a copy

97% identical to nextflow-development — 8 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

profiles/anthropics/knowledge-work-plugins/anthropics_knowledge-work-plugins_bio-research/for-claude/.claude/skills/nextflow-development/SKILL.md · 295 lines

How it starts

The opening of the file, as written. The whole thing — 295 lines — stays where its author put it; the contents beside it link to each section on GitHub.

nf-core Pipeline Deployment

Run nf-core bioinformatics pipelines on local or public sequencing data.

Target users: Bench scientists and researchers without specialized bioinformatics training who need to run large-scale omics analyses—differential expression, variant calling, or chromatin accessibility analysis.

Workflow Checklist

- [ ] Step 0: Acquire data (if from GEO/SRA)
- [ ] Step 1: Environment check (MUST pass)
- [ ] Step 2: Select pipeline (confirm with user)
- [ ] Step 3: Run test profile (MUST pass)
- [ ] Step 4: Create samplesheet
- [ ] Step 5: Configure & run (confirm genome with user)
- [ ] Step 6: Verify outputs

Step 0: Acquire Data (GEO/SRA Only)

Skip this step if user has local FASTQ files.

For public datasets, fetch from GEO/SRA first. See references/geo-sra-acquisition.md for the full workflow.

Quick start:

# 1. Get study info
python scripts/sra_geo_fetch.py info GSE110004

# 2. Download (interactive mode)
python scripts/sra_geo_fetch.py download GSE110004 -o ./fastq -i

# 3. Generate samplesheet
python scripts/sra_geo_fetch.py samplesheet GSE110004 --fastq-dir ./fastq -o samplesheet.csv

DECISION POINT: After fetching study info, confirm with user:

  • Which sample subset to download (if multiple data types)
  • Suggested genome and pipeline

Then continue to Step 1.


Step 1: Environment Check

Run first. Pipeline will fail without passing environment.

python scripts/check_environment.py

All critical checks must pass. If any fail, provide fix instructions:

Docker issues

Problem Fix
Not installed Install from https://docs.docker.com/get-docker/
Permission denied sudo usermod -aG docker $USER then re-login
Daemon not running sudo systemctl start docker

Nextflow issues

Problem Fix
Not installed curl -fsSL https://get.nextflow.io -o get-nextflow.sh && less get-nextflow.sh && bash get-nextflow.sh && mv nextflow ~/bin/
Version < 23.04 nextflow self-update

Read the full file on GitHub · 295 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. 8d ago First seen · 295 lines · 95 tokens per session scan B 8ea1e9c59764

Subscribe to this mod's changes

nextflow-development is a skill published in the GitHub repository nota-america/forgecat-agent-profiles (66 stars, last pushed yesterday), licensed Apache-2.0. It adds 95 tokens to every session and 2,377 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it B with 2 findings (asks for root, makes network calls). It is 97% identical to nextflow-development, differing in 8 lines, and is treated as a copy.

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