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Memory and knowledge · MCP server

Ragstack MCP: MCP server, setup and security

Ragstack MCP is an open-source MCP server that lets an AI agent search RAGStack knowledge bases and upload documents, media and web content. Its repository has 25 stars and its last commit is from October 21, 2026 and it is licensed under Apache-2.0.

Actively maintained

What Ragstack MCP does

According to its repository: “Access RAGStack serverless knowledge bases on AWS: search, chat with AI answers, upload documents and media, scrape websites and analyze metadata.”

An MCP server gives an AI agent extra tools it calls during the conversation: the agent reads their description, decides to use them and gets the result back. Ragstack MCP is listed under Memory and knowledge, a category of 250 servers in the directory, where it ranks #133 by stars.

Installing and connecting Ragstack MCP

Distribution modes declared in the official MCP registry:

  • PyPI package (Python, started with uvx or pip)

Like any MCP server, you declare it in your client's configuration (Claude Desktop, Claude Code, Cursor, VS Code, Codex…): a name, the command that starts it or its URL, and any environment variables. The client then starts it and lists its tools. Project language: Python. Listed systems: macOS, Windows, Linux.

Security: what to check

An MCP server runs code with the rights you give it, and the model reads its tool descriptions: a malicious or compromised server can hijack the agent. Read the code, or pick a maintained and widely used server, before connecting it.

None of the risk signals we track (system access, secrets, missing licence, abandonment) applies to Ragstack MCP. That does not replace reading the code.

Good practice: grant only the rights needed (least privilege), require human approval for irreversible actions, and run the AI agent security check.

Project activity and maintenance

Created on October 26, 2025, the HatmanStack/RAGStack-Lambda repository has 25 stars and 10 forks, with 0 open issues. It has more stars than 42% of the servers in the directory. It received changes this month. Version published in the registry: 0.1.4 (February 6, 2026).

Stars measure attention, not quality: a recent, heavily promoted project can collect them fast, while a useful but niche server will have few.

Context7Context7 : 63.6K63.6KHindsightHindsight : 53.4K53.4KCogneeCognee : 32.7K32.7KSkill SeekersSkill Seekers : 15.2K15.2KHonchoHoncho : 7.8K7.8KBasic memoryBasic memory : 4.3K4.3KNoteDiscoveryNoteDiscovery : 2.8K2.8KMemantoMemanto : 2.3K2.3KRagstack MCPRagstack MCP : 2525
GitHub stars of the most followed servers in the category (log scale); Ragstack MCP in orange. Checked October 25, 2026.

Verdict

Ragstack MCP is a reasonable choice; check the points below before connecting it.

Strengths

  • Active project: recent commit
  • Listed in the official MCP registry
  • Permissive licence (Apache-2.0)

Frequently asked questions

How do I install Ragstack MCP?

Ragstack MCP is distributed as PyPI package (Python, started with uvx or pip). Add it to your client's MCP configuration (Claude Desktop, Cursor, VS Code…) following the README of HatmanStack/RAGStack-Lambda.

Is Ragstack MCP free?

The code is published under the Apache-2.0 licence and can be used free of charge.

Is Ragstack MCP safe?

No risk signal found (system access, secrets, licence, abandonment). As with any MCP server, keep rights minimal and read the code before sensitive use.

Is it an official server?

Nothing says so: it is a project published by HatmanStack on GitHub. Check who maintains it before giving it access.

What are the alternatives to Ragstack MCP?

In the same category: Context7, Basic memory, Hindsight, and Cognee. Context7 and Basic memory score higher on our grid.

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Neutrality. No affiliate links. No vendor pays to be reviewed, rated or ranked. Reviews are directed by François Chollet, neutral and factual, and every data point is dated and sourced. How we score