Popular MCP Servers

On-premises knowledge retrieval over the Markdown, text, PDF, Word and Excel files an organization keeps, with the rules you set enforced before anything is retrieved. Agents connect over MCP, get cited passages, and read from it and never write to it.

Zero-auth cryptographic notarization and PoE (Proof-of-Existence) layer on the TON Blockchain for AI outputs, smart contract audits, and agreements.

An MCP server that enables AI assistants to search royalty-free stock photos using natural language, example images, or similarity, and render results as an inline thumbnail grid.

One workspace for every AI coding assistant. Governance tools for API lint, diff, persistent ledger, multi-model deliberation, security audit, and test verification. Works with Claude Code, Codex, Cursor, and Gemini CLI.

An MCP server for MotherDuck and local DuckDB.

Enables MCP clients such as GitHub Copilot, Codex, Claude... to explore a SQL Server 2017+ database read-only: databases, schemas, tables, views, procedures, functions, indexes and dependency graphs, plus filtered, grouped, sampled and paginated queries capped by row limits.

Records and scores prospective equity earnings predictions made by AI agents, allowing comparison of different agent configurations.

Enables AI assistants to query and analyze Rell code via Language Server Protocol features like hover information, completions, diagnostics, and code actions. Automatically manages the Rell LSP server and provides resource-based access with real-time subscriptions.

Enables AI assistants to create and manage Hellō applications with full developer context, supporting app creation, updates, secret generation, and logo management through a single unified tool.

ClickHouse database integration with schema inspection and query capabilities

Enables AI assistants to query Cork's cyber-insurance API for MSPs, including client warranty status, cyber scores, risk/compliance events, software vulnerabilities, integrations, invoices, and installer metadata via MCP tools.

Connect AI assistants to your Gramps Web family tree. Search and edit genealogy records, explore ancestors, descendants, relationships and timelines, and read document scans with vision-capable models. Includes guided research workflows, source citations, read-only mode, and privacy-aware media previews. Install with Docker or a Claude Desktop bundle.

An MCP server that enables AI assistants to interact with the CETC-ICQ quantum cloud platform via the gjq-client Qiskit 2.0 SDK, supporting account management, device listing, circuit submission, and task management.

Exposes RNV color workflow tools for color mixing, conversion, harmony generation, text transformation, and palette management, allowing LLMs to directly compute colors and manipulate palettes.

MCP server that integrates Google News and Google Trends, enabling AI models to fetch news, analyze search interest, calculate growth rates, and summarize articles.

提供全球238个国家/地区的进出口贸易数据查询，支持按企业名称、产品关键字、HS编码等多维度联合搜索。

Enables real-time user intervention for MCP agents through a web UI, allowing users to review context and provide feedback when AI agents drift from intent, keeping them on track.

A structure-aware MCP server for querying the SPOKE biomedical knowledge graph, enabling entity resolution, schema introspection, path finding, and safe Cypher queries for biomedical knowledge inference.

Enables agents to search a public tire catalog and professional tire test data — finding tire models, checking their known size variants, comparing 2-4 models, and collecting cited test results — through 12 read-only tools and four workflow prompts over stdio.

A local MCP server that exposes the PosBuzz cosmetic analysis SaaS API as MCP tools, enabling AI assistants like Claude Code to interact with the API through natural language.