Use Prompt Template Checker with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Validates prompt templates for syntax, undeclared variables, and injection risks.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Complete set · 4 capabilities
The complete Prompt Template Checker capability set.
These are the exact actions your AI can choose when you ask it to work with Prompt Template Checker.
01-04
4 capabilities in this set.
Part of 4 available through Prompt Template Checker.
- 01
Analyze composition
Calculates the density of dynamic content compared to static text
- 02
Security scan
Detects if any variable names pose a risk of prompt injection
- 03
Audit variables
Compares variables found in the template against a list of allowed variables
- 04
Validate syntax
Checks if the template's variable delimiters are properly opened and closed
Observed, not estimated
727ms average. Fast in production.
Prompt Template Checker is checked daily against the live service.
- Fastest day
- 640ms
- Slowest day
- 881ms
- 14-day trend
- Stable+3%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 4 capabilities arrive ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Prompt Template Checker, so you can see the experience inside your AI.
It does not authenticate your account with Prompt Template Checker. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Prompt Template Checker Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_GEKTcnSPMzEe3wN2ZM0p8Nml65hpUhCyfVFxHq8r/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — Prompt Template Checker capabilities are ready to use.
{
"mcpServers": {
"prompt-template-variable-injector-checker-alternative-mcp": {
"url": "https://edge.vinkius.com/vk_preview_GEKTcnSPMzEe3wN2ZM0p8Nml65hpUhCyfVFxHq8r/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
FAQ
Questions Prompt Template Checker owners ask.
- 01
How do I check if my template has unclosed braces?
You can use the validate_syntax capability to verify that all delimiters like braces or angle brackets are properly opened and closed.
- 02
Can this capability detect security risks in variable names?
Yes, the security_scan capability identifies if any variable names match sensitive system command patterns that could lead to prompt injection.
- 03
How can I ensure all my variables are declared?
Use the audit_variables capability by providing your template text and a list of your declared variables to find any undeclared placeholders.
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