flexcel-vcl

flexcel-vcl is a skill for Claude Code, Codex from SecondLifes/delphi-expert. It costs 110 tokens per session (3,095 once invoked), scanned A, original, MIT.

Instructions for Delphi, FreePascal, and C++Builder programs that work with Excel files using FlexCel, a reporting and spreadsheet library.

In plain words
What is it for?
Use it to read, create, modify, or export Excel files and data-driven reports as PDF, HTML, SVG, or images.
Why use it?
It explains how to handle spreadsheets and reports without requiring Microsoft Excel or an Office installation on the target computer.

Skill for Claude CodeCodex

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/secondlifes/delphi-expert/flexcel-vcl
Any agent
npx skills add SecondLifes/delphi-expert --skill flexcel-vcl
Clone the repo
git clone --depth 1 https://github.com/SecondLifes/delphi-expert

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 flexcel-vcl

README.md
[![agentmods](https://agentmods.dev/badge/skills/secondlifes/delphi-expert/flexcel-vcl.svg)](https://agentmods.dev/skills/secondlifes/delphi-expert/flexcel-vcl)
Your own site
<a href="https://agentmods.dev/skills/secondlifes/delphi-expert/flexcel-vcl"><img src="https://agentmods.dev/badge/skills/secondlifes/delphi-expert/flexcel-vcl.svg" alt="Measured on agentmods" height="20"></a>
Per session 110 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,095 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 $0.00110 $0.03095
Opus 5 $0.00055 $0.01548
Sonnet 5 $0.00022 $0.00619
Haiku 4.5 $0.00011 $0.00310

Measured 3d ago against content hash d28e16964a35, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

flexcel-vcl 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 3d 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.

.agents/skills/flexcel-vcl/SKILL.md · 242 lines

How it starts

The opening of the file, as written. The whole thing — 242 lines — stays where its author put it; the contents beside it link to each section on GitHub.

FlexCel Studio for VCL / FireMonkey

This skill helps write Delphi (VCL, FMX, Lazarus/LCL, Linux/SKIA) and C++Builder code that uses FlexCel — the TMS Software library for working with Excel .xlsx / .xls files, exporting to PDF/HTML/images, and generating data-driven reports from templates.

When to use this skill

Activate whenever the user wants to, from Pascal/Delphi/C++Builder code:

  • Read an Excel file (.xlsx or .xls) — cell values, formulas, formatting.
  • Create or modify an Excel file programmatically.
  • Generate reports by merging data into Excel templates.
  • Export an Excel file to PDF, HTML, SVG, or images.
  • Autofit rows/columns, render sheets, or measure cells.
  • Target VCL, FireMonkey (desktop & mobile), Lazarus, or Delphi Linux.

FlexCel does not require Excel or any Office installation on the target machine. It has no OLE/COM dependency.

Two ways to create Excel files — pick one

Before writing code, decide which API fits the task:

If the user wants to… Use Why
Read existing files, or build files cell-by-cell in code TXlsFile API (FlexCel.XlsAdapter) Full programmatic control; no designer required.
Produce the same report repeatedly from changing data, with a styled layout TFlexCelReport + Excel template (FlexCel.Report) Non-programmers can edit the template in Excel; code just provides data.

When the user says "generate a report with company logo / nice formatting / many rows from a database", prefer Reports. When they say "read this file and extract values" or "create an Excel file with these calculations", prefer the API.

You can combine both: run a report to produce an in-memory TXlsFile, then manipulate it with the API, then export to PDF.

Quick-start recipes

All examples assume VCL. For FireMonkey replace FlexCel.VCLSupport with FlexCel.FMXSupport; for Lazarus use FlexCel.LCLSupport; for Delphi Linux use FlexCel.SKIASupport. The platform support unit goes in the main program (.dpr) uses clause only, not every unit.

Read the full file on GitHub · 242 lines

Files

What ships with it

4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 3d ago First seen · 242 lines · 110 tokens per session scan A d28e16964a35

Subscribe to this mod's changes

flexcel-vcl is a skill published in the GitHub repository SecondLifes/delphi-expert (3 stars, last pushed 2d ago), licensed MIT. It adds 110 tokens to every session and 3,095 once invoked, about $0.0006 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 2026-08-31.

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