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"Database Query and Information Retrieval" matching MCP servers:

  • retrieval-lens

    Vbj1808
    A
    license
    A
    quality
    B
    maintenance
    A black-box flight recorder for RAG retrieval inside MCP agents. Logs what chunks the model saw, scores, sources, and rankings - so you can audit, replay, and diff retrieval runs after the fact.
    4
    15
    2
    MIT
  • Statistics Query and Verification MCP by ONSdigital

    Statistics Query andofficial

    ONSdigital
    F
    license
    B
    quality
    C
    maintenance
    MCP server for answering questions about official statistics from a single publication URL, with tools to check query scope, retrieve overview, text, data files, and search.
    5

  • query-executor

    Nitesh-Nandan
    F
    license
    A
    quality
    C
    maintenance
    Enables AI agents to read and optionally write to PostgreSQL databases through a multi-project setup with schema inspection, query execution, and performance analysis tools.
    5

  • mcp-query

    ottimis
    F
    license
    A
    quality
    D
    maintenance
    A local MCP server for secure database querying from Claude Code, with Apple Keychain credential storage, permission-based access control, and audit logging.
    5

  • rag-retrieval-mcp

    MaryamZi
    A
    license
    B
    quality
    D
    maintenance
    Enables retrieval-augmented generation by embedding queries with a chosen provider (e.g., OpenAI) and searching supported vector stores (Pinecone, pgvector) to return relevant content.
    1
    Apache 2.0

  • mcp-database

    AimanFadillah
    A
    license
    A
    quality
    C
    maintenance
    Read-only MySQL/MariaDB MCP server for running SELECT queries safely, with automatic read-only enforcement and query limits.
    3
    4
    MIT

  • tb-query

    Alir3z4
    A
    license
    A
    quality
    B
    maintenance
    MCP server for querying and analyzing TensorBoard event files, enabling AI agents to extract scalar data, statistics, and correlations without a running TensorBoard server.
    6
    11
    GPL 3.0

  • mcp-ubergraph-query

    twhetzel
    A
    license
    A
    quality
    D
    maintenance
    Enables AI assistants to query the Ubergraph biomedical ontology SPARQL endpoint with tools for custom SPARQL queries, term lookup, search, and hierarchy traversal.
    4
    MIT

  • log-query-mcp

    tenbux
    F
    license
    A
    quality
    C
    maintenance
    MCP server that exposes Discord and Twitch/Chatty chat log query tools to Claude Code, enabling searching messages, channel stats, user messages, and events from chat logs.
    7

  • dart-query

    standardbeagle
    A
    license
    B
    quality
    B
    maintenance
    An MCP server for Dart AI task management that enables bulk operations using DartQL selectors to minimize token usage and context rot. It provides tools for batch updates, task and document CRUD, and safe CSV imports with integrated dry-run capabilities.
    25
    41
    MIT

  • Retrieval-Augmented Thinking

    stat-guy
    A
    license
    B
    quality
    D
    maintenance
    Enhances AI model capabilities with structured, retrieval-augmented thinking processes that enable dynamic thought chains, parallel exploration paths, and recursive refinement cycles for improved reasoning.
    1
    24
    MIT

  • arxiv-query-mcp

    LWaetzig
    A
    license
    A
    quality
    C
    maintenance
    Enables AI assistants to search arXiv papers, retrieve metadata, browse categories, and read paper text.
    4
    MIT

  • MCP Database Manager

    meimingqi222
    F
    license
    A
    quality
    D
    maintenance
    Enables LLM agents to perform CRUD operations across multiple databases including PostgreSQL, MySQL, and SQL Server using SQLAlchemy. It features configurable permission management and secure connection handling with automatic password redaction.
    4

  • @dudqls816/database-mcp

    gong-yeongbin
    A
    license
    A
    quality
    B
    maintenance
    MCP server for Microsoft SQL Server that lets LLMs explore schema and execute read-only SELECT queries, with optional stored procedure execution when explicitly enabled.
    3
    350
    MIT