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Claude Code
Cursor
Codex CLI
Muse
Dots+20 moreClaude CodeCursorCodex CLIMuseDots
Manus
Grok
Grok Bot+17 agents📝 Prompt Template Linter
The Prompt Template Linter is a specialized diagnostic tool designed to sanitize and optimize LLM prompt templates before they reach production.
$12
📝 Prompt Template Linter
Example session with this skill installed
Lint the prompt templates in the /prompts directory and check for injection risks and missing variables.
- Read your context and instructions
- Compiled the prompt template linter
Findings
- [PTL001] SEVERE: /prompts/user_gen.j2 (Line 12) - Untrusted variable 'user_input' interpolated into instruction region.
- [PTL002] WARNING: /prompts/summary.md (Line 4) - Placeholder 'date_range' is defined but never used in the template.
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About this skill
What it does
The Prompt Template Linter is a specialized diagnostic tool designed to sanitize and optimize LLM prompt templates before they reach production. It scans your template files to identify structural flaws, security risks, and logical inconsistencies that often lead to model hallucinations or prompt injection vulnerabilities.
Why use this skill
Manually auditing prompts for "jailbreak" surfaces or missing variables is error-prone. This skill automates the detection of critical issues like unescaped user input in instruction blocks, contradictory constraints, and orphaned placeholders. It ensures your prompts are robust, type-safe (where variables are concerned), and formatted for reliable parsing.
Supported tools
- File Formats: Supports .prompt, .txt, .md, .jinja, and .j2 files.
- Integration: Works via CLI or stdin, making it ideal for pre-commit hooks or CI/CD pipelines.
- Remediation: Includes a library of safe-snippet references to fix flagged issues instantly.
Output format
The skill produces a structured report categorized by rule ID (PTL001-PTL006) and severity, pinpointing the exact line and file where the issue resides.
How to use
- 1
Connect your agent to the Agensi MCP
Copy the prompt and paste it into Claude, ChatGPT, Cursor or any agent that supports MCP. It sets up the connection for you. Manual setup
- 2
Sign in to Agensi
Your agent shows a sign-in link. Sign in and click Allow.
- 3
Ask for what you need
Your agent loads this skill and uses it on your task. It always asks before any payment.
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Security scan passed with 1 warning 4 months ago