Discover Awesome MCP Servers

odigo-elastic-s2l-mcp

Connects LLMs to Elasticsearch with a Semantic-to-Lexical layer that translates technical field names into business knowledge, enabling autonomous querying without hardcoded domain logic.

MySQL MCP Server

Enables secure interaction with MySQL databases through listing tables, reading data, and executing SQL queries with proper error handling and controlled access.

Better Playwright MCP

Token-efficient browser automation MCP server using Playwright, with getOutline and searchSnapshot to save ~95% tokens compared to full snapshots.

Local Falcon MCP Server

Connects AI systems to Local Falcon API, enabling access to local SEO reporting tools including scan reports, trend analysis, keyword tracking, and competitor data through the Model Context Protocol.

Zoho Mail MCP Server

Enables AI assistants to manage Zoho Mail accounts, including sending/receiving emails, folder and label management, organization administration, and productivity tools like tasks and notes.

file-extractor-mcp

Enables file extraction, organization, and GitHub repository management through MCP tools, allowing AI agents to copy/move files, delete repositories, and automate workflows.

Segundo Cérebro

Self-hosted personal knowledge graph running on Cloudflare, connecting to Claude as an MCP server for capturing atomic concepts and cross-domain analogies.

HWP RAG MCP

Enables searching local Korean HWP/HWPX documents via Codex or Claude Code by indexing them with a free multilingual embedding model, keeping documents and indexes locally without requiring an API key.

MCP Databases Server

Enables LLMs and agents to interact with relational databases (SQL Server, MySQL, PostgreSQL) through MCP tools. Supports executing queries, inserting records, listing tables, and exposing database schemas with secure credential management.

Gov Data MCP

MCP server with 562 tools accessing 114 government data APIs covering economic, health, education, energy, and more from federal, state, and international sources.

agriculture-mcp-server

MCP server for agriculture and farming data. 8 tools: soil conditions (temperature, moisture), crop weather forecasts, historical climate data (NASA POWER, since 1981), global agriculture statistics (World Bank, 20+ indicators), and food product database (Open Food Facts, 3M+ products). All APIs free, no keys required.

FastAPI MCP Demo Server

A demonstration MCP server built with FastAPI that provides basic mathematical operations and greeting services. Integrates with Gemini CLI to showcase MCP protocol implementation with simple REST endpoints.

Kundlit Vedic Astrology

Hosted Streamable HTTP MCP server for Vedic astrology: panchang, kundali (birth chart), matchmaking, dashas, doshas, muhurta and 16 tools computed by a precision astronomy engine.

claude-desktop-mcp

A fake MCP server with 108 themed tools for testing Claude Desktop's handling of large toolsets and Amazon Bedrock AgentCore Gateway integration.

MCP Terminal

Um servidor que permite que assistentes de IA executem comandos de terminal e recuperem resultados através do Protocolo de Contexto do Modelo (MCP).

AgentVault MCP Server

Enables AI agents to manage secrets and credentials from a secure vault via MCP tools over stdio.

hoppscotch-mcp

Enables automation of Hoppscotch team collections, including OpenAPI sync, code-based endpoint analysis, and safe mutation with dry-run and backup.

YaVendió Tools

An MCP-based messaging system that allows AI systems to interact with various messaging platforms through standardized tools for sending text, images, documents, buttons, and alerts.

Model Context Protocol (MCP)

Okay, here's a breakdown of a working pattern for SSE (Server-Sent Events) based MCP (Microservice Communication Protocol) clients and servers, leveraging the Gemini LLM (Large Language Model). This pattern focuses on how to use SSE for real-time communication between microservices, with Gemini potentially playing a role in data transformation, enrichment, or decision-making within the microservice architecture. **Core Concepts:** * **Microservices:** A distributed application architecture composed of small, independent, and loosely coupled services. * **MCP (Microservice Communication Protocol):** A standardized way for microservices to communicate. This could be a custom protocol or a well-established one like gRPC, REST, or, in this case, SSE. The key is consistency and clarity. * **SSE (Server-Sent Events):** A unidirectional communication protocol where the server pushes updates to the client over a single HTTP connection. It's ideal for real-time data streams. * **Gemini LLM:** A powerful language model that can be used for various tasks, including text generation, translation, summarization, and more. In this context, it can be integrated into a microservice to process or generate data that is then streamed to other services via SSE. **Architecture Overview:** ``` +---------------------+ SSE +---------------------+ SSE +---------------------+ | Client Microservice | <-----------> | Server Microservice | <-----------> | Client Microservice | | (e.g., UI, Analytics)| | (e.g., Data Processor)| | (e.g., Dashboard) | +---------------------+ +---------------------+ +---------------------+ ^ | API Call/Internal Logic | +---------------------+ | Gemini LLM | +---------------------+ ``` **Detailed Pattern:** 1. **Server Microservice (SSE Provider):** * **Endpoint:** Exposes an HTTP endpoint that serves as the SSE stream. This endpoint should have the correct `Content-Type` header: `text/event-stream`. * **Event Generation:** The server microservice is responsible for generating the events that are pushed to the clients. This is where Gemini comes in. The server might: * **Receive Data:** Receive data from other sources (databases, message queues, other microservices). * **Process with Gemini:** Use the Gemini LLM to process the data. Examples: * **Sentiment Analysis:** Analyze text data and stream the sentiment score. * **Summarization:** Summarize long articles and stream the summaries. * **Translation:** Translate text into different languages and stream the translations. * **Data Enrichment:** Use Gemini to add context or metadata to the data. * **Content Generation:** Generate new content based on input data (e.g., generate product descriptions). * **Format as SSE Events:** Format the processed data into SSE events. Each event consists of: * `event:` (Optional) A string identifying the type of event. * `data:` The actual data payload (usually JSON). Multiple `data:` lines are concatenated. * `id:` (Optional) An event ID. * A blank line (`\n`) to separate events. * **Error Handling:** Implement robust error handling. If Gemini fails or another error occurs, the server should: * Log the error. * Potentially send an error event to the client (e.g., `event: error`, `data: { "message": "Gemini processing failed" }`). * Attempt to recover or gracefully shut down the stream. * **Connection Management:** Handle client connections and disconnections gracefully. Consider implementing a heartbeat mechanism to detect dead connections. * **Rate Limiting:** Implement rate limiting to prevent abuse and ensure the stability of the Gemini LLM and the server. **Example (Python with Flask and `sse_starlette`):** ```python from flask import Flask, Response, request from sse_starlette.sse import EventSourceResponse import google.generativeai as genai import os app = Flask(__name__) # Configure Gemini (replace with your actual API key) genai.configure(api_key=os.environ["GOOGLE_API_KEY"]) model = genai.GenerativeModel('gemini-pro') async def event_stream(): while True: try: # Simulate receiving data (replace with your actual data source) data = "This is a news article about the economy." # Process with Gemini (sentiment analysis) prompt = f"Analyze the sentiment of the following text: {data}" response = model.generate_content(prompt) sentiment = response.text # Extract sentiment from Gemini's response # Format as SSE event event_data = { "article": data, "sentiment": sentiment } yield { "event": "news_update", "data": event_data } await asyncio.sleep(5) # Send updates every 5 seconds except Exception as e: print(f"Error: {e}") yield { "event": "error", "data": {"message": str(e)} } break # Stop the stream on error @app.route('/stream') async def stream(): return EventSourceResponse(event_stream()) if __name__ == '__main__': import asyncio app.run(debug=True, port=5000) ``` 2. **Client Microservice (SSE Consumer):** * **Connect to SSE Endpoint:** Establish a connection to the server's SSE endpoint using an `EventSource` object (in JavaScript) or a similar library in other languages. * **Event Handling:** Register event listeners to handle different types of events received from the server. * **Data Processing:** Process the data received in the events. This might involve: * Updating the UI. * Storing the data in a database. * Triggering other actions. * **Error Handling:** Handle connection errors and errors received in the SSE stream. Implement retry logic to reconnect if the connection is lost. * **Close Connection:** Close the `EventSource` connection when it's no longer needed. **Example (JavaScript):** ```javascript const eventSource = new EventSource('/stream'); // Replace with your server's URL eventSource.addEventListener('news_update', (event) => { const data = JSON.parse(event.data); console.log('Received news update:', data); // Update the UI with the news article and sentiment document.getElementById('article').textContent = data.article; document.getElementById('sentiment').textContent = data.sentiment; }); eventSource.addEventListener('error', (event) => { console.error('SSE error:', event); // Handle the error (e.g., display an error message) }); eventSource.onopen = () => { console.log("SSE connection opened."); }; eventSource.onclose = () => { console.log("SSE connection closed."); }; ``` **Key Considerations and Best Practices:** * **Data Format:** Use a consistent data format (e.g., JSON) for the SSE events. This makes it easier for clients to parse the data. * **Event Types:** Define clear event types to allow clients to handle different types of updates appropriately. * **Error Handling:** Implement comprehensive error handling on both the server and the client. This includes logging errors, sending error events, and implementing retry logic. * **Security:** Secure the SSE endpoint using appropriate authentication and authorization mechanisms. Consider using HTTPS to encrypt the data in transit. * **Scalability:** Design the server microservice to be scalable. Consider using a load balancer to distribute traffic across multiple instances of the server. The Gemini API itself has rate limits, so consider caching or other strategies to minimize API calls. * **Monitoring:** Monitor the performance of the SSE stream and the Gemini API usage. This will help you identify and resolve any issues. * **Idempotency:** If the client is performing actions based on the SSE events, ensure that those actions are idempotent (i.e., they can be performed multiple times without causing unintended side effects). This is important in case of connection interruptions and retries. * **Backpressure:** If the client is unable to process the events as quickly as they are being sent, implement a backpressure mechanism to prevent the client from being overwhelmed. This could involve buffering events on the server or using a flow control mechanism. * **Gemini API Usage:** * **Cost:** Be mindful of the cost of using the Gemini API. Optimize your prompts and data processing to minimize the number of API calls. * **Rate Limits:** Understand and respect the Gemini API rate limits. Implement retry logic with exponential backoff to handle rate limiting errors. * **Prompt Engineering:** Craft your prompts carefully to get the best results from Gemini. Experiment with different prompts to find the ones that work best for your use case. * **Alternatives to SSE:** While SSE is suitable for many real-time scenarios, consider other options like WebSockets or gRPC streams if you need bidirectional communication or more advanced features. **Example Use Cases:** * **Real-time Sentiment Analysis Dashboard:** A server microservice uses Gemini to analyze the sentiment of social media posts and streams the sentiment scores to a client dashboard via SSE. * **Live Translation Service:** A server microservice uses Gemini to translate text in real-time and streams the translations to a client application via SSE. * **AI-Powered News Feed:** A server microservice uses Gemini to summarize news articles and streams the summaries to a client news feed application via SSE. * **Dynamic Product Recommendations:** A server microservice uses Gemini to generate personalized product recommendations based on user behavior and streams the recommendations to a client e-commerce website via SSE. **In summary, this pattern allows you to build real-time microservice applications that leverage the power of Gemini LLM for data processing and enrichment. By using SSE, you can efficiently stream updates to clients, providing a responsive and engaging user experience.**

mcp-estat-japan

Enables querying Japanese government statistics from e-Stat, including metadata, data observations, and catalog browsing.

smartlead-cli

MCP server for managing cold email campaigns, leads, email accounts, sequences, analytics, webhooks, and client sub-accounts via the Smartlead API.

mcp-server-yeelight-lan

Enables control of Yeelight smart lights over local LAN, supporting on/off, brightness, color, temperature, and auto discovery.

Google Health ChatGPT MCP

Self-hosted MCP server that provides read-only access to Google Health API v4, enabling analysis of personal health data via OpenAI Responses API or ChatGPT.

Self-Hosted Supabase MCP Server

Enables developers to interact with self-hosted Supabase instances, providing database introspection, migration management, auth user operations, storage management, and TypeScript type generation directly from MCP-compatible development environments.

@container-inc/mcp

Servidor MCP para implementações automatizadas no Container Inc.

Glygen MCP Server

MCP server that enables querying GlyGen for summaries of proteins, glycans, sites, biomarkers, and diseases.

MCP Content Curation Server

A Model Context Protocol server that provides AI-driven tools to categorize, tag, and optimize educational content using GPT-4.

Thought Space - MCP Advanced Branch-Thinking Tool

Uma ferramenta MCP que permite o pensamento estruturado e a análise em múltiplas plataformas de IA através do gerenciamento de ramificações, análise semântica e aprimoramento cognitivo.

Précis-MCP

Read-only MCP server for FP&A & management reporting — governed metrics, financial statements and drill-down over a SQL semantic layer. Your own financials on your own warehouse, not market data. Open core of Précis. (metric engine · ClickHouse · OIDC · Docker)

Dynamic Reincarnation Story

Enables interactive reincarnation storytelling where users choose their path after death, becoming characters like a vengeful spirit, Bilbo Baggins, or Monkey D. Luffy. Features dynamic narrative generation with personalized story paths based on user choices and soul-searching questions.