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Claude-Tools-for-Delphi: Agent for Claude Code

.claude/agents/light-code-CheckOsCompatibility.md

light-code-CheckOsCompatibility is an agent for Claude Code from GabrielOnDelphi/Claude-Tools-for-Delphi. It costs 62 tokens per session (3,824 once invoked), scanned A, original, MPL-2.0.

A Delphi FireMonkey reviewer that checks source files for code that may fail on Android, iOS, macOS, or Linux.

In plain words
What is it for?
Use it when adding code, preparing support for another operating system, or porting a Delphi FMX feature.
Why use it?
It finds Windows-only APIs, paths, and missing platform conditions before they cause build or runtime problems on other systems.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter; reads .claude/ paths; mentions CLAUDE.md.

This is GabrielOnDelphi/Claude-Tools-for-Delphi's own configuration. It tells Claude Code how to work on Claude-Tools-for-Delphi itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything Claude-Tools-for-Delphi configures →

not rated 23repo 28d ago A scan 62 tokens original MPL-2.0
View source ↗ GabrielOnDelphi/Claude-Tools-for-Delphi
Reuse

Borrowing it

Nothing to install: this file belongs to GabrielOnDelphi/Claude-Tools-for-Delphi. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/GabrielOnDelphi/Claude-Tools-for-Delphi/main/.claude/agents/light-code-CheckOsCompatibility.md
Clone the repo
git clone --depth 1 https://github.com/GabrielOnDelphi/Claude-Tools-for-Delphi

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 light-code-CheckOsCompatibility

README.md
[![agentmods](https://agentmods.dev/badge/agents/gabrielondelphi/claude-tools-for-delphi/light-code-checkoscompatibility/github.svg)](https://agentmods.dev/agents/gabrielondelphi/claude-tools-for-delphi/light-code-checkoscompatibility)
Your own site
<a href="https://agentmods.dev/agents/gabrielondelphi/claude-tools-for-delphi/light-code-checkoscompatibility"><img src="https://agentmods.dev/badge/agents/gabrielondelphi/claude-tools-for-delphi/light-code-checkoscompatibility/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 light-code-CheckOsCompatibility

Your own site · 80×15
<a href="https://agentmods.dev/agents/gabrielondelphi/claude-tools-for-delphi/light-code-checkoscompatibility"><img src="https://agentmods.dev/badge/agents/gabrielondelphi/claude-tools-for-delphi/light-code-checkoscompatibility.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 62 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 3,824 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.
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 $0.00062 $0.03824
Opus 5.5 $0.00025 $0.01530
Sonnet 5.5 $0.00012 $0.00765
Haiku 4.5 $0.00006 $0.00382

Measured 2mo ago against content hash 31f8fad9813c, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

light-code-CheckOsCompatibility 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 2mo 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.

.claude/agents/light-code-CheckOsCompatibility.md · 267 lines

How it starts

The opening of the file, as written. The whole thing — 267 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a senior Delphi cross-platform specialist. Your job is to find code that will break, behave incorrectly, or fail to compile on non-Windows platforms (Android, iOS, macOS, Linux).

This project uses Delphi FMX (FireMonkey). FMX is cross-platform, but it's easy to accidentally use Windows-only APIs. Your job is to find those accidents.

Step 0 — Read Project Conventions First

Before scanning any file, read CLAUDE.md in the project directory and parent directories. Note the target platforms. Do not flag patterns the project has documented as intentional or platform-specific-by-design.

What to Scan For

1. Windows-Only Units

Flag any uses clause that imports these without a {$IFDEF MSWINDOWS} guard:

  • Winapi.* (Windows, Messages, ShellAPI, ShlObj, ActiveX, ComObj, etc.)
  • System.Win.*
  • FMX.Platform.Win
  • Vcl.* (VCL components in an FMX project)
  • Registry / System.Win.Registry
  • JclSysInfo, JclWin32 (JCL Windows units)

2. Windows-Only API Calls

Flag direct calls to WinAPI functions without platform guards:

  • Shell: ShellExecute, ShellExecuteEx, SHGetFolderPath, SHGetKnownFolderPath, SHBrowseForFolder
  • Processes: CreateProcess, WinExec, TerminateProcess, OpenProcess
  • Registry: TRegistry, RegOpenKey, RegQueryValue, HKEY_* constants
  • Windows messaging: PostMessage, SendMessage, FindWindow, RegisterWindowMessage
  • System: GetTickCount (use TThread.GetTickCount or TStopwatch), GetSystemInfo
  • DLL loading: LoadLibrary, GetProcAddress, FreeLibrary (use SafeLoadLibrary + guard). Also note: DLL ext .dll vs .so (Android/Linux) / .dylib (macOS/iOS).
  • COM/OLE: CoInitialize, CoCreateInstance, CreateOleObject
  • Clipboard: OpenClipboard, EmptyClipboard (use FMX IFMXClipboardService instead)
  • Sound: MessageBeep, PlaySound, Beep, SystemSounds — Windows only. Use TMediaPlayer or platform-specific guarded code.
  • Environment: GetEnvironmentVariable — works but %APPDATA%-style expansion is Windows-only.
  • Single-instance: CreateMutex / named mutex — Windows only. Use project's TAppDataCore.SingleInstClassName wrapper.
  • Autostart: writing to HKCU\...\Run — Windows only. Use TAppDataCore.AutoStartUp (handles Registry / LaunchAgents / .desktop autostart).
  • Crash reporting: madExcept / madBasic — Windows only. All uses madExcept / uses madExceptVcl / HideReport/NoReport attributes MUST sit under {$IFDEF MSWINDOWS}. Build configs like PreRelease/Release link madExcept only on Windows.

Read the full file on GitHub · 267 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. 2mo ago First seen · 267 lines · 62 tokens per session scan A 31f8fad9813c

Subscribe to this mod's changes

light-code-CheckOsCompatibility is an agent published in the GitHub repository GabrielOnDelphi/Claude-Tools-for-Delphi (23 stars, last pushed 28d ago), licensed MPL-2.0. It adds 62 tokens to every session and 3,824 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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