Database

A read-only MCP server for interacting with a DB2 database.

Provides secure SQL query execution across MySQL, PostgreSQL, and SQLite databases with granular permission controls, transaction-based operations, and configurable write access for production environments.

Read-only exploratory data analysis across PostgreSQL, MySQL, and ClickHouse.

by yugui923

Enables direct interaction with MySQL and PostgreSQL databases through a Go-based connectivity layer that supports both local stdio and production SSE transport modes for querying, analyzing, and manipulating structured data.

by FreePeak

MCP server for database access through DBeaver connections - native support for PostgreSQL, MySQL, SQLite, SQL Server with DBeaver CLI fallback for other databases

by GitHub Actions

Zero-dependency, token-efficient database MCP server for Postgres, MySQL, SQL Server, MariaDB, SQLite.

by bytebase

Integrates with the DBLP computer science bibliography database to enable searching publications, processing citations, generating BibTeX entries, and analyzing research trends.

Multi-database query server supporting MySQL and PostgreSQL with SSH tunneling and granular permission controls.

A comprehensive Model Context Protocol (MCP) server that provides unified access to Deutsche Bahn (DB) and German mobility APIs.

by PaulvonBerg

Connects AI models to multiple database systems for executing queries and retrieving results across PostgreSQL, MySQL, and SQLite.

An Agentic RAG framework using MCP and In-Memory Knowledge Graphs to transform legacy enterprise databases into self-healing, searchable knowledge bases.

by mjahmed1280

dbt Core MCP Server: Interact with dbt projects via Model Context Protocol

by NiclasOlofsson

AI-driven quality & governance MCP Server for dbt projects. Audit coverage, profile data, detect schema drift, and auto-generate documentation — all through natural language with your AI assistant.

by Astoriel

A MCP (Model Context Protocol) server for interacting with dbt.

by dbt-labs

MCP server for agent automation: persistent memory and deterministic workflow execution for AI agents and chats

by GitHub Actions

Database analysis and insights.

Integrates with Obsidian to provide a locally-hosted task management system with intelligent prioritization, task decomposition, and a full API for creating, updating, and querying tasks in a SQLite-backed database.

Provides persistent key-value storage operations through Deno KV, enabling simple data persistence between sessions without complex database setup.

Transforms minified JavaScript bundles into searchable databases using webcrack unpacking and Babel AST parsing to enable semantic search, selective code retrieval, and architectural mapping for reverse engineering workflows.

Analyzes shell and CLI commands across Linux, Docker, Kubernetes, Terraform, Git, SQL, and cloud platforms to classify destructiveness levels using N-gram and TF-IDF classification.

Exposes database tables and schemas via HTTP endpoints, allowing tools to query database structure without direct database access for security-conscious development.

Local Devilbox Docker environment management with PHP container execution and read-only SQL queries.

Connects language models to Dgraph graph databases, enabling DQL queries, mutations, and schema management for seamless database interactions without context switching.

A local/remote MCP server for generating infrastructure and architecture diagrams as code using the Python [diagrams](https://diagrams.mingrammer.com/) library ## Features **5 Diagram Tools** for infrastructure, architecture, and flowcharts: - **Infrastructure Diagrams** - 15+ providers (AWS, Azure, GCP, K8s, On-Prem, SaaS) - **500+ Node Types** - Compute, database, network, storage, security - **Custom Icons** - Web URLs (HTTPS) and local files - **Flowcharts** - 24 shapes for process diagrams - **Validation** - Dry-run before generation **Advanced Capabilities:** - Multiple output formats (PNG, PDF, JPG, DOT) - Cluster grouping with unlimited nesting - Edge styling (colours, labels, line styles) - Graphviz attribute customisation ## Installation **System Requirements:** - Graphviz must be installed: - macOS: `brew install graphviz` - Ubuntu/Debian: `sudo apt-get install graphviz` - Windows: Download from https://graphviz.org/download/ ### IDEs [](vscode:mcp/install?%7B%22name%22%3A%22diagrams%22%2C%22type%22%3A%22stdio%22%2C%22command%22%3A%22uvx%22%2C%22args%22%3A%5B%22diagrams-mcp%22%5D%7D) [](https://cursor.com/en-US/install-mcp?name=diagrams&config=eyJjb21tYW5kIjoidXZ4IGRpYWdyYW1zLW1jcCJ9) ### Claude Desktop Add to your `claude_desktop_config.json`: **For published package:** ```json { "mcpServers": { "diagrams": { "command": "uvx", "args": ["diagrams-mcp"] } } } ``` **For local development:** ```json { "mcpServers": { "diagrams:local": { "command": "uv", "args": [ "--directory", "/ABSOLUTE/PATH/TO/diagrams-mcp", "run", "diagrams-mcp" ] } } } ``` ### Claude Code **Quick setup (CLI):** Published package: ```bash claude mcp add --transport stdio math -- uvx diagrams-mcp ``` **Team setup (project-level):** Add `.mcp.json` to your project root: ```json { "mcpServers": { "diagrams": { "command": "uvx", "args": ["diagrams-mcp"] } } } ``` **Verify installation:** ```bash claude mcp list ``` Or check in IDE: View → MCP Servers, or use `/mcp` command. ## Try It Once installed, try these prompts: - "Create an AWS 3-tier web application diagram with Route53, ELB, EC2 instances, and RDS" - "Generate a Kubernetes microservices architecture with ingress, services, and pods" - "Build a flowchart for a CI/CD pipeline with decision points" - "Create a diagram using a custom icon from my company logo URL" - "Show me all available AWS compute nodes" Map to tools: `create_diagram`, `create_diagram_with_custom_icons`, `create_flowchart`, `list_available_nodes`, `validate_diagram_spec` ## Tool Reference All tool parameters and descriptions are available in your IDE's autocomplete. ### Diagram Generation (3 tools) | Tool | Description | | ---------------------------------- | ------------------------------------------------------------ | | `create_diagram` | Full infrastructure/architecture diagrams with all providers | | `create_diagram_with_custom_icons` | Diagrams with custom node icons from URLs or local files | | `create_flowchart` | Simplified flowchart creation with 24 process shapes | ### Discovery & Validation (2 tools) | Tool | Description | | ----------------------- | ------------------------------------------------------------- | | `list_available_nodes` | Search 500+ available nodes by provider, category, or keyword | | `validate_diagram_spec` | Dry-run validation before generation | ## Custom Icons ### Web URL Icons - HTTPS-only (HTTP rejected) - 5MB file size limit - 5-second download timeout - Image format validation (PNG, JPG) - Automatic caching (~/.diagrams_mcp/icon_cache) ### Local File Icons - Path validation (file must exist) - Format validation - Sandboxed execution

Enables AI applications to interact with DiceDB database servers for key-value operations without requiring direct database credentials or connection management