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Melchizedek

@louis49

Repository

About Melchizedek

Persistent memory for Claude Code. Automatically indexes every conversation transcript and provides 16 MCP tools for hybrid search (BM25 + vectors + reranker). Works offline, zero config, single SQLite file. Claude never forgets again.

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "melchizedek": {
      "command": "npx",
      "args": [
        "-y",
        "melchizedek@latest"
      ]
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Melchizedek?

Melchizedek is a persistent memory server for Claude Code that automatically indexes every conversation and provides production-grade hybrid search (BM25 + vectors + reranker) via MCP tools. It runs 100% locally with zero configuration, zero API keys, and no cloud dependencies.

How to use Melchizedek?

Install via npm install -g melchizedek, then add the MCP server to Claude Code with claude mcp add --scope user melchizedek -- melchizedek-server. For automatic indexing, hooks need to be configured in ~/.claude/settings.json (pre-configured for marketplace installs). After setup, restart Claude Code. Indexing starts automatically. Use MCP tools like m9k_search, m9k_context, and m9k_full to search and retrieve past conversations.

Key features of Melchizedek

  • 100% local, zero config, zero API keys
  • Hybrid search: BM25 + text and code vectors + reranker
  • Progressive retrieval (search/context/full) to save tokens
  • Automatic indexing of all Claude Code conversations
  • 16 MCP tools for search, memory management, and configuration
  • Retroactive indexing of existing conversation history

Use cases of Melchizedek

  • Quickly find past debugging sessions and error solutions
  • Recall architectural decisions and code patterns across projects
  • Automatically index every conversation without manual saving
  • Retrieve full context of past Claude Code interactions

FAQ from Melchizedek

What runtime does Melchizedek require?

Melchizedek runs on Node.js and is installed via npm. It requires no external services or API keys.

Where is conversation data stored?

All data is stored locally in a single SQLite file at ~/.melchizedek/memory.db. The file uses WAL mode and is not sent to any cloud service.

Does Melchizedek work offline?

Yes, Melchizedek is 100% offline. No cloud, no API keys, no internet connection required for search or indexing.

How is Melchizedek different from other memory plugins?

Melchizedek acts as a search engine that indexes raw conversation transcripts, supporting hybrid search (BM25 + vectors + reranker), progressive retrieval, and zero-config automatic indexing. It offers 16 MCP tools, supports dual embeddings (text + code), and runs as a singleton daemon for multi-window use.

Is Melchizedek free and open source?

Yes, Melchizedek is released under the MIT license and is completely free to use. Donations are accepted via PayPal or Buy Me a Coffee.

Frequently asked questions

What runtime does Melchizedek require?

Melchizedek runs on Node.js and is installed via npm. It requires no external services or API keys.

Where is conversation data stored?

All data is stored locally in a single SQLite file at `~/.melchizedek/memory.db`. The file uses WAL mode and is not sent to any cloud service.

Does Melchizedek work offline?

Yes, Melchizedek is 100% offline. No cloud, no API keys, no internet connection required for search or indexing.

How is Melchizedek different from other memory plugins?

Melchizedek acts as a search engine that indexes raw conversation transcripts, supporting hybrid search (BM25 + vectors + reranker), progressive retrieval, and zero-config automatic indexing. It offers 16 MCP tools, supports dual embeddings (text + code), and runs as a singleton daemon for multi-window use.

Is Melchizedek free and open source?

Yes, Melchizedek is released under the MIT license and is completely free to use. Donations are accepted via PayPal or Buy Me a Coffee.

Comments

Basic information

Category

AI & Agents

Transports

stdio

Author

louis49

Submitted by

louis49

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