MCP Servers

PubChem MCP Server

★ 9

Provides comprehensive access to PubChem's chemical information database via the PubChem PUG REST API.

Kg

★ 9

Lightweight knowledge graph

Scholar Feed

★ 9

MCP server for searching 600,000+ CS/AI research papers with citation graphs, full text, embeddings, and BibTeX.

SchemaFlow

★ 9

Real-time PostgreSQL & Supabase database schema access for AI-IDEs via Model Context Protocol. Provides live database context through secure SSE connections with three powerful tools: get_schema, analyze_database, and check_schema_alignment.

Teradata MCP Server

★ 9

Interact with Teradata databases for data queries and business intelligence.

MongoDB

★ 9

Provides read-only access to MongoDB databases through standardized MCP tools and resources.

MySQL DB

★ 9

An MCP server for integrating with and managing MySQL databases.

Mallory MCP Server

★ 8

Access real-time cyber and threat intelligence, including details on vulnerabilities, threat actors, and malware.

Zurich Open Data MCP Server

★ 8

Enables Claude, ChatGPT, and other MCP-compatible AI assistants to directly query 900+ datasets, geodata, parliamentary proceedings, tourism data, linked data, and real-time environmental and mobility information from the City of Zurich. 20 Tools, 6 Resources, 6 APIs.

SCB MCP

★ 8

Connect LLMs or AI-chatbots to let them query and interact with official data and statistics from SCB (Sweden Statistics)

Microsoft Access Database

★ 8

Allows AI to interact with Microsoft Access databases, supporting data import and export via CSV files.

MCP Iceberg Catalog

★ 8

An MCP server for interacting with Apache Iceberg catalogs and data lakes.

Node MSSQL

★ 8

A server for interacting with Microsoft SQL Server databases using the node-mssql library.

Unofficial Gene Ontology MCP Server

★ 8

Access Gene Ontology (GO) data for ontology-based analysis, gene annotation research, and functional enrichment studies.

Model Database Protocol

★ 8

Intent-based, secure database access protocol for AI systems — LLMs send structured intents instead of raw SQL.

schemabrain

★ 8

A read-only trust layer between AI agents and your SQL database — the agent never writes SQL, PII is refused before the query runs, and every call lands in a tamper-evident audit log.

Apple Health Data with Elasticsearch

★ 8

A Python-based MCP server that connects to an Elasticsearch index with Apple HealthKit data.

Vertica MCP Server

★ 8

Provides read-only access to Vertica databases.

CData eBay MCP Server

★ 8

A read-only MCP server for querying live eBay data. Requires a separately licensed CData JDBC Driver for eBay.

Epitome

★ 8

Personal AI memory — gives every AI agent shared, persistent memory of you

Subgraph MCP Server

★ 8

Allows LLMs to interact with Subgraphs available on The Graph Network.

MySQL MCP Server

★ 8

Provides access to a MySQL database, allowing agents to execute SQL queries.

YugabyteDB MCP Server

★ 8

Allows LLMs to directly interact with a YugabyteDB database.

ClickHouse Cloud & On-Prem

★ 7

A server for managing ClickHouse databases and ClickHouse Cloud services.

Macrostrat

★ 7

Access geologic data from the Macrostrat API, including units, columns, minerals, and timescales.

MCP Microsoft SQL Server

★ 7

An MCP server for integrating with Microsoft SQL Server databases.

CrateDB MCP Server

★ 7

Interact with CrateDB using natural language for Text-to-SQL queries and documentation retrieval.

Couchbase

★ 7

Interact with Couchbase databases using natural language. Perform CRUD operations, query buckets, and execute N1QL queries.

qmcp Server

★ 7

An MCP server for integrating with and querying q/kdb+ databases.

Treasure Data MCP Server

★ 7

Enables AI assistants to securely query and interact with the Treasure Data customer data platform.