Dev Tools
| Server | Language | Stars | Downloads |
|---|---|---|---|
| StdoutMCP Lightweight server that captures and manages stdout logs from multiple processes through a named pipe system, maintaining a 100-entry log history and providing robust querying and filtering capabilities for debugging and real-time monitoring. | TypeScript | 7 | — |
| StealThis Exposes the StealThis.dev resource library of reusable web components, animations, and page templates to AI tools for browsing, searching, and retrieving code snippets. | — | 1 | — |
| @steipete/claude-code-mcp Simple MCP server for Claude Code one-shot execution | TypeScript | 1.2k | — |
| Stellar Blockchain Integrates with Stellar blockchain to enable wallet management, token deployment, and smart contract interactions on the Stellar testnet through dynamically generated tools | — | 5 | — |
| Stellar XDR-JSON Decodes Stellar blockchain data by converting complex XDR format to human-readable JSON, enabling analysis of transactions and contract events without manual binary decoding | — | 2 | — |
| STK (Ansys/AGI Systems Tool Kit) Enables natural language control of Ansys/AGI STK for space mission planning, satellite configuration, and orbit analysis through a Python-based bridge to the simulation software. | Python | 24 | — |
| Stoa Personal milieu curation and knowledge system | TypeScript | 0 | — |
| Stochastic Thinking Implements five stochastic algorithms including Markov Decision Processes, Monte Carlo Tree Search, Multi-Armed Bandit models, Bayesian Optimization, and Hidden Markov Models to enable probabilistic decision-making that breaks out of deterministic patterns for strategic planning, exploration-exploitation balance, and uncertainty-aware optimization in game playing, A/B testing, hyperparameter tuning, and route optimization tasks. | — | 4 | — |
| Stock Price Yahoo Finance Retrieves stock price data from Yahoo Finance for Claude Code integration. | — | 0 | — |
| storybook-mcp-server MCP server for Storybook - provides AI assistants access to components, stories, properties and screenshots | TypeScript | — | — |
| Strawbery Unicode Character Counter Provides Unicode character counting and position tracking for text analysis with support for CJK and multilingual content. | — | 3 | — |
| sts-faker-mcp Generate realistic fake data across 23 categories, from people and finance to internet, images, and more. Accelerate testing, prototyping, seeding, and demos with hundreds of ready-made generators. Customize formats like names, addresses, dates, colors, and IDs to match your scenarios. | — | — | — |
| @studiomopoke/crosschat MCP server for inter-instance Claude Code communication | TypeScript | — | — |
| studio-rust-mcp-server Standalone Roblox Studio MCP Server | Rust | 434 | — |
| Subscription Refunds Determine refund eligibility for popular US consumer subscriptions including Apple, Netflix, and Adobe. Simplify the process of reclaiming funds by providing clear approval status based on vendor policies. Check status for individual plans across major digital service providers within the United States. | — | — | — |
| @sugitat/redash-mcp MCP server for Redash integration | TypeScript | — | — |
| Sui Integrates with the Sui blockchain network to enable test token requests, wallet management, and smart contract interactions using the official Sui SDK | — | 4 | — |
| @supastory/mcp-server SupaStory MCP server — bring AI-powered session replay insights directly into your editor | TypeScript | — | — |
| SuperAgent Orchestrates Codex and Gemini CLI agents with parallel execution across multiple working directories, enabling delegation of complex tasks to 16 specialized programming personas including backend architects, security engineers, and Python experts for simultaneous multi-project development workflows. | TypeScript | 13 | — |
| Superdesign Integrates Superdesign's design orchestrator with Claude Code to generate UI designs, wireframes, components, logos, and SVG icons through structured specifications that leverage the IDE's existing LLM connection, featuring automatic file organization and an interactive HTML gallery for viewing all created designs. | — | 69 | — |
| SushiMCP Delivers documentation context from various technology sources to improve code generation by fetching and serving relevant llms.txt documentation on demand. | TypeScript | 8 | — |
| Svelte MCP The official Svelte MCP server providing docs and autofixing tools for Svelte development | TypeScript | 205 | — |
| SwiftAutoGUI Enables precise control of macOS through mouse movements, clicks, and scrolling via SwiftAutoGUI, allowing direct manipulation of the macOS interface for automation workflows and GUI testing. | Swift | 55 | — |
| Swift SourceKit-LSP Integrates with Apple's SourceKit-LSP to provide advanced static analysis and architectural insights for Swift codebases, offering Protocol-Oriented Programming assessment, architecture pattern detection, project memory with pattern learning, and automated documentation generation for comprehensive code quality evaluation. | — | 7 | — |
| @syke1/mcp-server AI code impact analysis MCP server — dependency graphs, cascade detection, and a mandatory build gate for AI coding agents | TypeScript | 2 | — |