Ragstack MCP vs Akb

In-depth architectural comparison of the Ragstack MCP and Akb MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Ragstack MCP when:

• You need dedicated capabilities in the Knowledge & Memory domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Free / Open Source).
• You have access to required keys: RAGSTACK_GRAPHQL_ENDPOINT, RAGSTACK_API_KEY.
• Primary tools included: RAG knowledge-base search, AI-generated answers with sources, Document and media ingestion.

Explore Ragstack MCP Details

Choose Akb when:

• You need dedicated capabilities in the Knowledge & Memory domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: API Key required (Free / Open Source).
• Primary tools included: akb_list_vaults, akb_put, akb_put_file.

Feature & Specification Comparison

Specification	Ragstack MCP HatmanStack Knowledge & Memory	Akb dnotitia Knowledge & Memory
Summary	MCP server for RAGStack serverless knowledge bases. Search, chat with AI-generated answers, upload documents/media, scrape websites, and analyze metadata through an AWS-powered RAG pipeline (Lambda, Bedrock, S3, DynamoDB).	Organizational knowledge base for AI agents. Vault-scoped Markdown docs, structured PostgreSQL tables, and files unified by a URI graph. Hybrid semantic + BM25 search, Git-backed version history, multi-tenant ACL with public-share links. Works with Claude Code, Cursor, Windsurf via npx akb-mcp.
Category & Scope

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "hatmanstack-ragstack-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "hatmanstack-ragstack-mcp"
      ],
      "env": {
        "RAGSTACK_GRAPHQL_ENDPOINT": "YOUR_RAGSTACK_GRAPHQL_ENDPOINT_HERE",
        "RAGSTACK_API_KEY": "YOUR_RAGSTACK_API_KEY_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "dnotitia-akb": {
      "url": "https://akb-demo.agent.seahorse.dnotitia.ai/mcp/"
    }
  }
}

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