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fireproof-storage/mcp-database-server

by Various

Store and load JSON documents from LLM tool use

F

MCP

fireproof-storage/mcp-database-server

Added 1 June 2026

Overview

Implements a Model Context Protocol (MCP) server for reading and writing JSON documents. Designed to let LLM tool-use sessions store and load structured data from a persistent database.

Best for

Best for
Developers building MCP-based tools or agents that need straightforward, file-backed JSON persistence

Use cases

  • Save and retrieve conversation context or session state in MCP-compatible AI assistants
  • Persist outputs from tool calls for later analysis or reuse
  • Enable agents to share JSON-based data across multiple tool invocations

How to use

Tools exposed

  • npm

Tested with

Claude Desktop

Example client config

{\n  "mcpServers": {\n    "fireproof": {\n      "command": "/path/to/fireproof-mcp/build/index.js"\n    }\n  }\n}

Notes

Implements a Model Context Protocol (MCP) server for reading and writing JSON documents. Designed to let LLM tool-use sessions store and load structured data from a persistent database.

32 stars on GitHub. Last updated 2024-12-19.

Use cases

  • Save and retrieve conversation context or session state in MCP-compatible AI assistants
  • Persist outputs from tool calls for later analysis or reuse
  • Enable agents to share JSON-based data across multiple tool invocations

Pros

  • Lightweight JavaScript implementation with minimal dependencies
  • Simple JSON document storage, easy to inspect and debug
  • Works within the MCP ecosystem, allowing direct integration with supported LLM tools

Cons

  • Limited to JSON document storage, not a general-purpose SQL or NoSQL database
  • Low community adoption (32 stars) may mean fewer examples or slower evolution
  • No built-in authentication or access control—designed for local or trusted environments

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.

Pros

  • Lightweight JavaScript implementation with minimal dependencies
  • Simple JSON document storage, easy to inspect and debug
  • Works within the MCP ecosystem, allowing direct integration with supported LLM tools

Cons

  • Limited to JSON document storage, not a general-purpose SQL or NoSQL database
  • Low community adoption (32 stars) may mean fewer examples or slower evolution
  • No built-in authentication or access control—designed for local or trusted environments
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