Free GraphQL Introspection Disable Regex Rule Generator—
gemini-3.0-flash
gemini-3.0-flashGenerate secure regex patterns to block GraphQL introspection queries. Protect your API from schema leakage with this free, client-side WAF rule builder.
AI Generation Prompt
Free GraphQL Introspection Disable Regex Rule Generator
Overview
A specialized, high-performance, single-file browser utility designed to help DevOps engineers, security analysts, and backend developers generate robust Regular Expression (Regex) rules to block GraphQL introspection queries. This tool simplifies the process of securing GraphQL APIs by providing pre-validated blocking patterns for various WAF (Web Application Firewall) platforms.
Core Features
- Rule Generator: A toggle-driven interface to build custom regex strings. Users can choose to block broad introspection or create granular rules targeting specific fields.
- Live Regex Validator: An interactive sandbox area where users can paste raw GraphQL queries to test if the generated regex correctly identifies and 'blocks' the attempt.
- WAF Platform Presets: One-click output formatting for popular platforms (AWS WAF, Cloudflare, Nginx, and generic PCRE).
- Educational Explainer: Brief descriptions alongside generated rules explaining exactly what each part of the regex does.
- Clipboard API Integration: Quick-copy buttons for all generated output formats.
Technical Implementation Specifications
- Architecture: Pure HTML5, CSS3, and Vanilla JavaScript. No frameworks (React/Vue/Angular).
- State Management: All state (input text, selected options, generated results) must be held in JavaScript memory objects. No usage of
localStorage,sessionStorage, or cookies is permitted. - Security: The app will be executed in a null-origin iframe environment. All logic must be self-contained.
- UI Design:
- Aesthetic: Minimalist 'SaaS' design. High contrast, readable typography (Inter or system-sans-serif).
- Palette:
- Background:
#F9FAFB(Soft Gray) - Surface/Card:
#FFFFFF(White) - Primary Action:
#2563EB(Blue) - Success/Valid:
#10B981(Green) - Text:
#111827(Dark Slate)
- Background:
- Components: Rounded corners (
8px), subtle drop shadows (0 1px 3px rgba(0,0,0,0.1)), and smooth CSS transitions on all interactive elements.
UI Layout
- Header: Descriptive Title + "Lightweight API Security Tool".
- Configuration Panel: A control board with checkboxes for 'Block __schema', 'Block __type', and 'Strict JSON mode'.
- Result Display: A syntax-highlighted code block showing the generated Regex pattern.
- Test Sandbox: A text area input allowing users to verify their regex against sample GraphQL payloads.
Developer Directives
- No External Dependencies: Use standard web APIs. External scripts must be minimized to essential CDN imports only.
- Performance: Interaction feedback (copying, generating) must be near-instant.
- Accessibility: All buttons and inputs must have proper
aria-labelsand focus states. - Constraint Adherence: Strict adherence to no persistent storage. If the user refreshes, the app state resets.
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gemini-3.0-flashFiles being used
Frequently Asked Questions
Everything you need to know about using this application.
Why is it recommended to disable GraphQL introspection in production?
GraphQL introspection allows clients to query the schema for information about the API, including all available queries, mutations, types, and fields. While this is helpful for development and documentation, exposing it in production environments creates a significant security vulnerability by revealing your entire API structure to potential attackers. Attackers can leverage this information to map your API, identify sensitive fields, and craft malicious queries that would otherwise be difficult to discover. Disabling introspection effectively prevents automated reconnaissance tools from gathering detailed information about your backend architecture.
How does this tool help with WAF implementation?
Most modern Web Application Firewalls (WAFs) like AWS WAF, Cloudflare, or Nginx support request filtering using regular expressions (regex). This tool generates the exact, optimized regex patterns required to detect and block the specific keywords (such as '__schema' or '__type') used in introspection requests. By providing you with ready-to-use patterns, this tool eliminates the need for manual regex construction. You can copy the generated rules directly into your firewall configuration, ensuring that requests containing introspection keywords are blocked before they ever reach your GraphQL server.
Is this tool safe to use for generating security rules?
Yes, this tool is entirely client-side, meaning all processing happens locally within your web browser. No data, queries, or generated regex rules are ever sent to a server, logged, or processed externally, making it safe to use even when working with sensitive API documentation. Furthermore, this application adheres to strict data privacy standards by using no cookies, local storage, or external databases. Your configuration and testing inputs vanish as soon as you close or refresh the browser tab, ensuring no persistent records of your security configuration are maintained.
Does this tool work with all GraphQL frameworks?
The regex patterns generated by this tool target the standard GraphQL specification for introspection, which uses reserved words starting with double underscores like '__schema' and '__type'. Because these specifications are universal to the GraphQL protocol, the rules generated here are compatible with virtually all implementations. Whether you are using Apollo, Relay, Hasura, or a custom Yoga/Envelop setup, the fundamental query structure remains consistent. The generated regex will effectively catch these standardized introspection attempts regardless of your underlying server framework or language.
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