ragstack

MCP server · PyPI · ★ 25 · graded 2026-10-24Source linked

Search, chat, upload, and scrape a serverless RAGStack knowledge base on AWS.

No outside reports on file

ragstack fetches arbitrary web URLs; restrict its folder reach, network access, and credentials before installing.

Based on public adoption and transparency signals as of Oct 23, 2026. Our opinion, not a code audit or security guarantee.

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What it can access

Local filesNo local folder access notedLOW
Command executionRuns shell or system commandsREVIEW
Network reachFetches arbitrary web URLsREVIEW
CredentialsNo API token requiredLOW
Package sourcePyPI (ragstack-mcp)PUBLIC

Inferred from this listing’s public package details and description. Check the project’s source before installing.

Install

uvx ragstack-mcp

All setup options ↓

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About Ragstack

Ragstack is an MCP server focused on Web & browsing and Communication: Search, chat, upload, and scrape a serverless RAGStack knowledge base on AWS.

It is published on PyPI as ragstack-mcp and hosted on GitHub at HatmanStack/RAGStack-Lambda (25 GitHub stars, 46 PyPI downloads, last repository push on 2026-10-21). Based on its public metadata, its operational scope includes: fetches arbitrary web urls.

Setup

Check these steps against the project’s own instructions before running anything.

Run the PyPI package ragstack-mcp in an isolated environment:

bash

uvx ragstack-mcp

See https://github.com/HatmanStack/RAGStack-Lambda (opens external site) for required environment variables.

Why this grade

DD — High risk signals

Signal-based grade (1/7 points): public source code. This reflects adoption and transparency, not a code review.

Popularity and upkeep

30/100

GitHub stars: 25
PyPI downloads: 46
Listing last refreshed: 2026-10-28

These are public popularity signals, not a maintenance check. Look at the repository’s commit history and open issues.

Security reports

No reports found for this package in our research (last checked 2026-10-28).

Check a specific version →

Risks to watch for

Untrusted web content & prompt injection: Fetches arbitrary web pages or remote endpoints where hidden instructions could manipulate agent behavior. Restrict outbound domains and review tool outputs.
Dependency & version pinning: Distributed via PyPI (ragstack-mcp). Pin an exact release version or commit SHA rather than floating tags so upstream updates are reviewed first.

How to lower the risk

Least-privilege permissions

Give it access only to the specific folders, accounts or projects it needs, never your whole drive or admin account.
Use a separate, limited API key or login just for this tool so you can switch it off without affecting anything else.

Network isolation

Run it on a work computer or sandbox account, not one holding personal or company-sensitive data.
If your IT team can, limit which websites and services it is allowed to contact.

Monitoring

Check its activity history or logs weekly at first, and look at what it changed or sent.
Turn on alerts for new logins or unusual usage on any account it connects to.

Red flags to watch for

It asks for more access than its job requires, or prompts you to paste passwords.
It suddenly updates with new owners, or starts contacting unfamiliar websites.

Questions

How do I install Ragstack?

Run uvx ragstack-mcp (or pip install ragstack-mcp) in your terminal, or add the server entry to your claude_desktop_config.json or .cursor/mcp.json as shown in the Setup section on this page. Full setup docs and environment variables are in github.com/HatmanStack/RAGStack-Lambda.

Are there security reports about Ragstack?

No reports found for this package in our research (last checked 2026-10-28). Ragstack currently holds Grade D (High risk signals) based on public adoption and transparency signals. Key risk areas to watch include untrusted web content & prompt injection:, dependency & version pinning:.

Is Ragstack actively maintained?

Ragstack has 25 GitHub stars and 46 PyPI downloads, with its latest repository commit pushed on 2026-10-21. Our directory data was last refreshed on 2026-10-28. Check recent commit activity, release tags, and open issues at github.com/HatmanStack/RAGStack-Lambda before pinning it in production.

What are alternatives to Ragstack?

You can compare Ragstack side by side with other AWS, Search MCP servers in the Related tools section on this page, or use the Compare tool on AgentArmorHQ.

Maintain or use Ragstack? Show its live grade in your GitHub README, docs site, or run a check from the terminal before you install.

GitHub README Markdown:

markdown

[![AgentArmorHQ Risk Grade for Ragstack](https://agentarmorhq.com/api/badge/hatmanstack-ragstack-lambda)](https://agentarmorhq.com/skills/hatmanstack-ragstack-lambda)

HTML embed:

html

<a href="https://agentarmorhq.com/skills/hatmanstack-ragstack-lambda"><img src="https://agentarmorhq.com/api/badge/hatmanstack-ragstack-lambda" alt="AgentArmorHQ Risk Grade for Ragstack" height="20" /></a>

Terminal check:

terminal

curl -fsSL https://agentarmorhq.com/api/cli | node --input-type=module - check "hatmanstack-ragstack-lambda"

Share with your security lead

Need sign-off to use ragstack? Copy this note for Slack, a ticket or a pull request.

### AgentArmorHQ Security Review Memo: ragstack
- **Listing URL:** https://agentarmorhq.com/skills/hatmanstack-ragstack-lambda
- **Type:** App connector
- **Risk Grade:** Grade D (High risk signals)
- **Outside Security Advisories on File:** 0
- **Public Adoption:** 25 GitHub stars

#### Permission & Blast-Radius Signals
- **Local files:** No local folder access noted
- **Command execution:** Runs shell or system commands
- **Network reach:** Fetches arbitrary web URLs
- **Credentials:** No API token required
- **Package source:** PyPI (ragstack-mcp)

#### Recommended Hardened Setup
- **Command:** `uvx ragstack-mcp`
- **Controls:** Pin an exact version in `.mcp.json`, scope access to a single workspace folder, and use a least-privilege read-only token where supported.

_Based on public adoption and transparency signals as of Oct 23, 2026. Our opinion, not a code audit or security guarantee._

Key facts

Type: App connector
Publisher: HatmanStack
Source code: github.com/HatmanStack/RAGStack-Lambda
Install command: pip install ragstack-mcp
Est. context load: ~850 tokens / turn (~5 tool schemas, 0.43% of 200k context)
Popularity: 25 GitHub stars, 46 PyPI downloads
Last updated: 2026-10-28
Last graded: 2026-10-24

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