Individual skill

flowio

Reads, inspects, and writes Flow Cytometry Standard (FCS) 2.0, 3.0, and 3.1 files with FlowIO. Use for low-level FCS metadata and channel inspection, NumPy event extraction, multi-dataset files, table export, and FCS 3.1 creation; use FlowKit for compensation, cytometry transforms, gating, or FlowJo workspaces.

skills/flowio/SKILL.md

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Last checked
Nov 10, 2026

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Nov 9, 2026
License
MIT

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# FlowIO

## Purpose

Use FlowIO as a lightweight, low-level reader and writer for Flow Cytometry
Standard files. Examples in this skill target **FlowIO 1.4.0**, the current
stable release verified on 2026-09-30.
Standalone FlowIO checks used Python 3.13, NumPy 2.5.3, and pandas 3.0.6.

FlowIO is appropriate for:

- Reading FCS 2.0, 3.0, and 3.1 files
- Inspecting HEADER, TEXT, ANALYSIS, and channel metadata
- Retrieving event data as a two-dimensional NumPy array
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