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"Understanding Abstract Syntax Trees (AST)" matching MCP servers:

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    MCP server for Neo4j that provides abstract graph operations for LLMs, enabling safe and consistent interaction with Neo4j databases through tools like search, insert, update, delete, and schema introspection.
    Last updated
    8
    MIT
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    Enables LLM clients to query SQL databases via natural language with read-only, AST-validated, and capped queries, ensuring safety guarantees.
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    2
    MIT
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    Enables natural language querying of SQL databases with robust safety guarantees including read-only enforcement, AST validation, and row caps.
    Last updated
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    SQL Server MCP server with AST-based query validation, read-only safety, schema exploration, ER diagram generation, and DBA toolkit integration (First Responder Kit, DarlingData, sp_WhoIsActive).
    Last updated
    12
    5
    MIT
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    Validates BigQuery SQL syntax and performs dry-run analysis without executing queries, providing cost estimates, referenced tables, and schema previews.
    Last updated
    2
    Apache 2.0
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    An MCP server that provides persistent memory for database schemas by storing table structures and metadata in a local SQLite file. It enables LLMs to save, retrieve, and manage database snapshots to maintain a structured understanding of database architectures.
    Last updated
    5
    MIT
  • F
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    Converts SQL queries between different database dialects using the sqlglot library to ensure cross-system compatibility. It allows users to list supported dialects and transpile SQL code from one syntax to another through the Model Context Protocol.
    Last updated
    2
    3
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    A Node.js implementation that provides tools for advanced PubMed searching, including full abstract retrieval and PMC full-text search within open access articles. It features SQLite-backed search history and allows users to filter results by MeSH terms and specific publication dates.
    Last updated
    6
    29
    2
    MIT
  • A
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    A Model Context Protocol server implementation that enables LLMs to query and manipulate JSON data using JSONPath syntax with extended operations for filtering, sorting, transforming, and aggregating data.
    Last updated
    2
    25
    90
    MIT
  • A
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    LLM-assisted, safety-gated Postgres migrations exposed as an MCP server, using a deterministic rule engine over Postgres's own parser AST for safety enforcement, with two-phase approval and append-only audit ledger.
    Last updated
    Apache 2.0
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    Connects MCP clients to databases like Snowflake, BigQuery, and Databricks through Alkemi's data platform, enabling natural language database queries with proper schema understanding and metadata management for consistent team-wide access.
    Last updated
    7
    4
    MIT
  • A
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    Enables AI assistants to search and query Lucene/NRTSearch indexes using natural language, supporting full Lucene query syntax including Boolean, phrase, range, wildcard, and fuzzy searches with highlighting and custom field retrieval.
    Last updated
    MIT
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    Enables SQL query sanitization by rewriting queries at the AST level to prevent PII/PHI exposure, acting as a proxy between AI agents and PostgreSQL databases.
    Last updated
    MIT