"Giving Claude full access to SQL Server for free" matching MCP servers:

• PostgreSQL Full Access MCP

  syahiidkamil

  A

  license

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  quality

  D

  maintenance

  A Model Context Protocol server that provides LLMs with full read-write access to PostgreSQL databases, allowing both querying and modifying database content with transaction management and safety controls.

  Last updated 2025-05-09

  127

  25

  MIT

• mcp-postgres-full-access

  kamusis

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  license

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  quality

  D

  maintenance

  Enables full read-write access to PostgreSQL databases with transaction management and safety controls, allowing LLMs to query and modify database content.

  Last updated 2025-04-29

  22

  3

  MIT

• @ariburaco/free-for-dev-mcp

  ariburaco

  A

  license

  -

  quality

  C

  maintenance

  A Model Context Protocol server that provides semantic search and intelligent access to a comprehensive list of free services and tools for developers.

  Last updated 2025-08-07

  7

  1

  MIT

• claude-to-agy

  rauls-kjarners

  A

  license

  B

  quality

  B

  maintenance

  A lightweight MCP bridge that lets Claude Code delegate heavy tasks to the Antigravity CLI - saving context window and tokens for what matters.

  Last updated 2026-06-15

  1

  12

  MIT

• Claude-to-Gemini MCP Server

  Yoon-jongho

  A

  license

  B

  quality

  C

  maintenance

  Enables Claude to use Google Gemini as a secondary AI through MCP for large-scale codebase analysis and complex reasoning tasks. Supports both Gemini Flash and Pro models with specialized functions for general queries and comprehensive code analysis.

  Last updated 2026-06-13

  4

  MIT

• Access

  Scottpedia0

  A

  license

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  quality

  D

  maintenance

  Self-hosted credential store and API proxy for AI agents. One Bearer token, all your services. Handles OAuth refresh, encrypted storage, audit logging, and per-agent permissioning.

  Last updated 2026-04-06

  72

  MIT

• Text-to-SQL MCP Server

  tmstack

  F

  license

  -

  quality

  D

  maintenance

  A secure database query service built on FastMCP framework that allows users to query MySQL databases using natural language, with comprehensive permission management and security controls.

  Last updated 2025-10-17

  14

• Gemini MCP Server for Claude

  raydollete

  A

  license

  A

  quality

  B

  maintenance

  Integrates Google's Gemini AI models into Claude Code and other MCP clients to provide second opinions, code comparisons, and token counting. It supports streaming responses and multi-turn conversations directly within your existing AI development workflow.

  Last updated 2026-05-09

  3

  Apache 2.0

• n8n-free-mcp

  jserna0001

  A

  license

  A

  quality

  C

  maintenance

  Free and open-source MCP server for managing n8n workflows, executions, and tags via n8n's API. Enables workflow creation, activation, debugging, and deletion from any MCP client.

  Last updated 2026-07-04

  12

  1

  MIT

• notion-full-mcp

  cphoskins

  A

  license

  A

  quality

  C

  maintenance

  Full-featured Notion MCP server enabling deep page reading, block editing, snapshot/restore, file uploads, table manipulation, page restore, and destructive page copying.

  Last updated 2026-04-09

  33

  MIT

• SQL Server MCP

  millelog

  A

  license

  A

  quality

  D

  maintenance

  A read-only MCP server for SQL Server database introspection that enables Claude to explore and query databases via tools like listing objects and executing SELECT queries.

  Last updated 2025-12-30

  20

  1

  MIT

• Claude Talk to Figma MCP

  arinspunk

  A

  license

  C

  quality

  C

  maintenance

  Enables Claude Desktop and other AI tools to interact directly with Figma, allowing for powerful AI-assisted design capabilities through natural language commands.

  Last updated 2026-04-18

  92

  418

  626

  MIT

• credential-free

  skutry

  A

  license

  -

  quality

  C

  maintenance

  Scans code for exposed secrets, API keys, tokens, and credentials across 69 patterns covering cloud services, AI platforms, payment providers, authentication services, and databases.

  Last updated 2025-12-01

  MIT

• mcp-hands-free

  theagentattic

  A

  license

  -

  quality

  C

  maintenance

  Universal hands-free voice input for MCP-compatible AI assistants using Whisper speech-to-text.

  Last updated 2025-12-23

  1

  MIT

• claude-slack-to-notion

  idean3885

  A

  license

  -

  quality

  D

  maintenance

  Enables automatic collection and AI analysis of Slack messages to create organized Notion pages, supporting custom analysis directions like meeting minutes, issue extraction, and topic classification.

  Last updated 2026-07-18

  MIT

• Planka MCP Server for Claude

  NextHeberg

  A

  license

  -

  quality

  C

  maintenance

  Enables AI-powered project management by connecting Claude to Planka kanban boards via 75+ MCP tools for creating, updating, and managing projects, boards, lists, and cards.

  Last updated 2026-05-23

  1

  GPL 3.0

• MCP Weather Free

  microagents

  A

  license

  -

  quality

  D

  maintenance

  An MCP server that provides real-time weather data, hourly forecasts, and daily summaries using the free Open-Meteo API with no API key required. It enables users to search for weather conditions by specific coordinates or city names across multiple measurement units.

  Last updated 2025-07-03

  1

  MIT

• J-Quants Free MCP Server

  cygkichi

  A

  license

  -

  quality

  D

  maintenance

  Enables access to Japanese stock market data via the free J-Quants API, providing tools for company search, daily quotes, and financial statements.

  Last updated 2025-05-05

  1

  MIT

• asana-full-mcp

  AlexDay3000

  A

  license

  -

  quality

  C

  maintenance

  Exposes the full Asana REST API via an MCP server, enabling operations like task management and workspace queries, with configurable safety guardrails.

  Last updated 2026-07-10

  MIT

• MCP SQL Server

  fabriciofs

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  license

  -

  quality

  D

  maintenance

  A Model Context Protocol server that enables Claude to query, monitor, and analyze SQL Server databases, with support for schema exploration, performance analysis, and optional write operations.

  Last updated 2025-12-17

  26

  1

  MIT