Deep Research MCP Server

# Changelog All notable changes to the Deep Research MCP Server will be documented in this file. ## [1.2.1] - 2025-05-29 ### Added - Environment variable support for timeout and performance configuration - `SEARCH_TIMEOUT` environment variable for configuring search request timeouts - `CRAWL_TIMEOUT` environment variable for configuring crawl request timeouts - `MAX_SEARCH_RESULTS` environment variable for setting maximum search results - `CRAWL_MAX_DEPTH` environment variable for setting maximum crawl depth - `CRAWL_LIMIT` environment variable for setting maximum URLs to crawl per source - **NEW: File Writing Tool** - `write-research-file` tool for saving research content to files - `FILE_WRITE_ENABLED` environment variable to enable/disable file writing (default: disabled) - `ALLOWED_WRITE_PATHS` environment variable for directory restrictions (default: user home) - `FILE_WRITE_LINE_LIMIT` environment variable for write operation limits (default: 200 lines) - Secure file writing with path validation, directory creation, and permission controls - Enhanced startup logging showing current timeout, limit, and file writing configurations - Updated example configuration with new environment variables ### Fixed - Timeout configuration now properly respects environment variables in addition to tool parameters - LibreChat timeout issues can now be resolved by setting appropriate environment variables ### Changed - Tool parameter precedence: tool arguments > environment variables > defaults - Improved documentation with detailed timeout, performance, and file writing configuration guides - Added comprehensive security documentation for file writing feature ### Security - File writing feature disabled by default for security - Directory-based access controls for file operations - Path validation and sanitization to prevent directory traversal - Configurable line limits to prevent abuse ## [1.2.0] - 2024-05-29 ### Fixed - Fixed issue with console logging interfering with MCP protocol by replacing all `console.log` and `console.debug` calls with `console.error` - Fixed proper response structure to match MCP specifications, removing the extra `tools` wrapper from responses - Fixed type errors in Tavily SDK parameters, ensuring correct typing for `includeAnswer` and `timeRange` - Fixed parameter handling for crawl API, ensuring required parameters are always provided ### Added - Added progress tracking during long-running operations - Added memory usage tracking and optimization - Added hardware acceleration option with `hardware_acceleration` parameter - Added proper domain validation to prevent excessive crawling - Added timeout handling for both search and crawl operations ### Changed - Reduced default crawl limits for better performance: - Maximum depth reduced to 2 (from unlimited) - Default breadth reduced to 10 (from 20) - Default limit reduced to 10 URLs (from 50) - Improved error handling and reporting - Updated documentation to reflect parameter changes ## [1.1.0] - 2024-05-01 ### Added - Initial public release - Integration with Tavily Search and Crawl APIs - MCP compliant tool interface - Structured JSON output for LLM consumption - Configurable documentation prompt - Configurable output path