"A search for ANTLR4 parser generator information" matching MCP servers:

An MCP server that gives Claude AI the ability to read, analyze, modify, and debug ANTLR4 grammars, enabling grammar debugging and manipulation for Claude Desktop.

Enables AI assistants to interact with the Cas Parser REST API for parsing CAS statements and managing credits.

Enables AI agents to call tools through a security gateway that intercepts requests, enforces deterministic policy and risk checks, blocks or escalates high-risk actions for human approval, and keeps tool credentials and audit logs protected.

MCP server that gives AI agents access to current web information through web_search and fetch_url tools, using Tavily, Brave, and DuckDuckGo providers with automatic fallback.

Enables extracting explicitly stated contract metadata, clauses, and obligations from user-supplied contract text without storing or modifying the data.

MCP server enabling Claude Code to capture screenshots of Windows applications through WSL2, allowing AI to diagnose UI errors and verify layouts.

Provides access to consensus claims from 162 tracked podcasts, enabling search and retrieval of recurring ideas, episodes, people, and podcast statistics with measurement metadata.

It enables AI agents to parse user agent strings into structured data such as browser, OS, device type, engine, and bot status, with pay-per-call micropayments via x402 and no API key or signup required.

Parse, validate, and explain cron expressions with pay-per-call via x402 (USDC on Base L2), returning next run times in any timezone.

Cryptographic hash generator supporting MD5, SHA1, SHA256, SHA512, and bcrypt, with pay-per-call via x402 (USDC on Base L2) – no API key or signup required.

Enables autonomous agents to precisely deconstruct, analyze, and manipulate URLs and query parameters without hallucination.

Parses Unity text-serialized .prefab, .unity, and .asset files to output only Inspector-visible data in hierarchical YAML, reducing token usage by up to 96%.

MCP server that converts HTML templates into deliverable pages (PPT/proposals/solutions) with 7 atomic tools for template selection, content filling, icon rendering, image generation, page assembly, and quality validation.

An MCP server that automatically generates technical blog posts using AI (Gemini and Claude), supporting various input types, styles, and collaborative workflow.

Enables mapping JavaScript error stack traces back to original source code, extracting context information to help developers locate and fix issues.

Enables designing and rendering urban street cross-sections from natural language descriptions, and importing real streets from OpenStreetMap.

Enables agents to extract multi-page financial tables from complex PDFs, rasterize vector pages into crisp 300 DPI images for vision LLMs, flatten interactive AcroForm/XFA forms, and dewarp skewed OCR bounding boxes from photographed or scanned paper documents. Tool invocations are gated by USDC micropayments settled on Base L2 via the x402 protocol.

MCP server for AI image generation supporting multiple providers (OpenRouter, Together AI, Replicate, fal.ai) and compatible with various MCP agents.

Enables AI agents to generate professional Word and PDF documents with support for Markdown, syntax highlighting, and smart pagination. It features automatic JSON detection and responsive A4 formatting for creating high-quality technical reports and manuals.

Enables generating BPMN 2.0 process models from natural language descriptions, YAML, or images via OCR, with templates, validation, and compatibility with tools like Bizagi Modeler and Camunda Modeler.

Generates random passwords with configurable character sets (all, alpha, numbers, letters) via the Model Context Protocol.

Enables AI agents to generate barcodes in Code128, Code39, EAN-13, or UPC-A formats via x402 micropayments, returning base64-encoded SVG images with customizable width and height.

Connects the 1001 Albums Generator dataset to AI assistants, enabling natural language exploration of your listening journey, taste analysis, and group comparisons.

Enables AI agents to generate UUID v4, v7, ULID, or nanoid identifiers on demand, including batch requests up to 100, via x402 micropayments without API keys.

Provides AI assistants with a standardized interface to interact with the Todo for AI task management system. It enables users to retrieve project tasks, create new entries, and submit completion feedback through natural language.

Connects MCP-compatible AI assistants to Azgaar's Fantasy Map Generator so they can view, inspect, edit, and export fantasy maps in a live local browser, including borders, states, terrain, layers, and files. It runs locally and offline after installation, supports collaborative manual editing, undo, autosave, and text-only map output for models that cannot see images.

Exposes generate_image for general image generation and hatch-pet specific workflows: canonical base generation, identity reference, multi-image input, layout guides, and single-action row chroma-key source images.

Enables AI agents to generate URL-friendly slugs from text with custom separators and transliteration, paid per call via x402 micropayments.

Generates professional client proposals including timeline, tech stack, price estimate, and milestone breakdown from client requirements.

Enables testing regular expressions against strings to retrieve matches, capture groups, positions, and human-readable pattern explanations via an x402 micropayment MCP server.