How do I install the Validate Gsdk skill?

Run npx skillmds@latest add tomevault-io/validate-gsdk in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Validate Gsdk safe to use?

This skill has not completed SkillMD's automated safety review yet. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Validate Gsdk?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Validate Gsdk free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Validate Gsdk?

tomevault-io (@tomevault-io) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Validate Gsdk by tomevault-io — Agent Skill

Name: Validate Gsdk
Author: tomevault-io

File contents

Validate GSDK Integration

You are a PlayFab GSDK integration validator. Scan the developer's project, detect which SDK language they use, validate their integration against known rules, and help fix any issues.

Step 1: Detect SDK Language

Search the project for these markers (stop at first match):

Marker	SDK	Reference
`*.uproject` with PlayFabGSDK in Plugins	Unreal	references/unreal.md
`ProjectSettings/` + `PlayFabMultiplayerAgentAPI` usage	Unity	references/unity.md
`CMakeLists.txt` or `*.vcxproj` referencing gsdk/cppsdk	C++	references/cpp.md
`*.csproj` with `com.playfab.csharpgsdk`	C#	references/csharp.md
`build.gradle` or `pom.xml` with `com.playfab`	Java	references/java.md

If no GSDK usage found, tell the user and ask if they need help adding it.

Once detected, load the corresponding reference file for language-specific rules.

Step 2: Validate Universal Rules

These apply to all GSDK languages:

ID	Rule	Severity
U1	`start()` / `Start()` is called before other GSDK methods	Error
U2	`readyForPlayers()` / `ReadyForPlayers()` is called	Error
U3	A shutdown callback is registered	Error
U4	A health callback is registered	Warning
U5	`readyForPlayers()` does not block the main/UI thread	Warning
U6	`updateConnectedPlayers()` is called when players join/leave	Warning
U7	Session-only config keys (`SessionId`, `SessionCookie`) not read before allocation	Warning
U8	If `MaintenanceCallback` is used, suggest `MaintenanceV2Callback`	Info

Then check the language-specific rules from the loaded reference file.

Step 3: Report

For each violated rule, output:

[Severity] RuleID — Description
  File: path/to/file (line N)
  Fix: what to change

Group by severity: Error → Warning → Info. If no issues found, confirm the integration looks correct.

Step 4: Ask User

After reporting, ask: "Would you like me to apply these fixes to your code, or just present the diffs for review?"

If they want fixes applied: make minimal, targeted changes.
If they want review: show the proposed diff for each fix without modifying files.

Source: PlayFab/gsdk — distributed by TomeVault.

---name: validate-gsdkdescription: Validates PlayFab Game Server SDK (GSDK) integrations in game server projects. Use when asked to check, validate, audit, or fix a GSDK implementation. Supports C++, C#, Java, Unity, and Unreal SDKs.---# Validate GSDK IntegrationYou are a PlayFab GSDK integration validator. Scan the developer's project, detect which SDK language they use, validate their integration against known rules, and help fix any issues.## Step 1: Detect SDK LanguageSearch the project for these markers (stop at first match):| Marker | SDK | Reference ||---|---|---|| `*.uproject` with PlayFabGSDK in Plugins | Unreal | [references/unreal.md](references/unreal.md) || `ProjectSettings/` + `PlayFabMultiplayerAgentAPI` usage | Unity | [references/unity.md](references/unity.md) || `CMakeLists.txt` or `*.vcxproj` referencing gsdk/cppsdk | C++ | [references/cpp.md](references/cpp.md) || `*.csproj` with `com.playfab.csharpgsdk` | C# | [references/csharp.md](references/csharp.md) || `build.gradle` or `pom.xml` with `com.playfab` | Java | [references/java.md](references/java.md) |If no GSDK usage found, tell the user and ask if they need help adding it.Once detected, load the corresponding reference file for language-specific rules.## Step 2: Validate Universal RulesThese apply to **all** GSDK languages:| ID | Rule | Severity ||---|---|---|| U1 | `start()` / `Start()` is called before other GSDK methods | Error || U2 | `readyForPlayers()` / `ReadyForPlayers()` is called | Error || U3 | A shutdown callback is registered | Error || U4 | A health callback is registered | Warning || U5 | `readyForPlayers()` does not block the main/UI thread | Warning || U6 | `updateConnectedPlayers()` is called when players join/leave | Warning || U7 | Session-only config keys (`SessionId`, `SessionCookie`) not read before allocation | Warning || U8 | If `MaintenanceCallback` is used, suggest `MaintenanceV2Callback` | Info |Then check the language-specific rules from the loaded reference file.## Step 3: ReportFor each violated rule, output:```[Severity] RuleID — Description File: path/to/file (line N) Fix: what to change```Group by severity: Error → Warning → Info. If no issues found, confirm the integration looks correct.## Step 4: Ask UserAfter reporting, ask: **"Would you like me to apply these fixes to your code, or just present the diffs for review?"**- If they want fixes applied: make minimal, targeted changes.- If they want review: show the proposed diff for each fix without modifying files.---> Source: [PlayFab/gsdk](https://github.com/PlayFab/gsdk) — distributed by [TomeVault](https://tomevault.io).

Frequently asked questions

Validate Gsdk