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20 Best Security MCP Servers: compared and ranked, November 2026Ranked from 4,472 matching servers on stars, growth, downloads and maintenance. Updated .

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"Techniques for Detecting XSS and SQL Injection Vulnerabilities" matching MCP servers:

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    Enables AI clients to safely query PostgreSQL databases using plain English, with read-only access and built-in SQL safety checks.
    4
    MIT
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    Provides read-only SQL Server access via MCP tools and a chat interface for natural-language database queries.
    4
    ISC
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    MCP server for managing and retrieving reusable SQL templates with semantic search, enabling a workflow of generation, retrieval, and templating.
    8
    MIT
  • F
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    Enables AI assistants to query SQLite databases using plain language, with strict read-only enforcement and column-level access control to prevent damage or unauthorized data reads.
    4
    -
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    MCP server for querying H3Yun SQL data, enabling AI to execute read-only SQL queries and troubleshoot H3Yun business issues.
    GPL 3.0
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    F
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    Read-only MCP server for SQL databases (SQL Server, Postgres, SQLite) with multi-server support and three-layer safety using AST validation and linting.
    MIT
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    Read-only MCP server for SQL databases (SQLite/PostgreSQL) that enables listing tables, describing schemas, and executing SELECT queries with safety guardrails.
    MIT
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    MCP server that enables natural-language SQL queries across multiple databases (ClickHouse, Teradata, PostgreSQL, MySQL, SQL Server, DB2, Oracle, MongoDB) with dialect-correct SQL generation, PII masking, and security-by-construction controls.
    MIT
  • F
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    Enables querying SQL Server databases using natural language through Claude.
    -
  • F
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    Enables secure interaction with SQL Server databases through natural language queries in Cursor IDE, with individual user credentials for complete traceability and auditing of all database operations.
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    Enables natural language querying of PostgreSQL databases under read-only mode, returning results as structured XML.
    1
    MIT
  • A
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    Exposes read-only PostgreSQL queries as typed MCP tools, enabling natural-language data analysis while keeping raw tables hidden and enforcing safety limits.
    MIT
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    This Model Context Protocol server allows AI assistants to safely explore and query a SQLite database using plain language. It enforces strict read-only limits and operational controls to ensure data integrity and prevent runaway queries.
    MIT
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    Gives an LLM read-only, schema-aware SQL database access so users can ask business questions in plain English and receive the exact result set, with malformed queries returned as errors for automatic retry and correction.
    MIT
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    MCP server that translates natural-language questions into SQL, validates every query structurally, and executes approved read-only queries against a SQLite database, returning results and rejections.
    MIT
  • A
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    Enables Claude to translate natural-language business questions into safe, read-only SQL queries by exposing tools for listing tables, inspecting schemas, and executing row-capped SELECT statements against PostgreSQL.
    MIT
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    Enables AI assistants to connect and query Microsoft SQL Server databases using natural language, executing read-only SQL queries for safe data inspection and analysis.
    MIT
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    Enables natural language querying of SQLite databases through a secure MCP server that writes, runs, and explains SQL with a three-layer read-only guarantee.
    MIT
  • F
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    A custom MCP server that gives Claude Desktop direct access to a SQLite database, enabling natural language questions to be answered through real SQL execution.
    -
  • F
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    Enables natural-language querying and safe read/write access to a small e-commerce SQLite database through MCP tools, including schema inspection, SELECT queries, and explicitly confirmed mutations.
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  • F
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    Enables LLM agents to explore a Postgres database and answer questions by running safe, read-only SQL queries through MCP tools.
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  • A
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    Odds are, most of what you want to build is already open source. Tell your AI agent what you're making, and it finds it: which repos to use as they are, which to adapt, and what's left for you to write. Every repo it names is real, licensed for your use or flagged, and checked live.
    3
    124 npm
    1
    MIT
  • A
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    MCP server that encapsulates Apple Mail on macOS via AppleScript, enabling invoice PDF search, attachment saving, and message flagging through natural language.
    5
    MIT
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    An MCP server that exposes macOS Spotlight search as tools, wrapping mdfind and mdls to provide full-text and metadata file search across the system.
    2
    MIT
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    An MCP-compliant server that enables AI assistants like Claude Desktop to access and analyze Intercom support tickets with full conversation history.
    4
    8
    Apache 2.0
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    Enables AI assistants to fetch, search, and organize menu information from For Five Coffee café. Provides access to complete menu data, category filtering, and item search capabilities through both MCP and REST API interfaces.
    4
    Apache 2.0