What is the key difference between OpenArx and Localstack Mcp Server?

OpenArx belongs to the Cloud Platforms category with cloud HTTP/SSE execution, while Localstack Mcp Server belongs to the Cloud Platforms category with local stdio execution.

How do I install OpenArx or Localstack Mcp Server in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are OpenArx and Localstack Mcp Server free or paid?

OpenArx operates under a Free / Open Source model (No auth required). Localstack Mcp Server operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

OpenArx lists 35 tools with 0 views and 8 GitHub stars. Localstack Mcp Server lists 6 tools with 0 views and 25 GitHub stars.

Can I use both OpenArx and Localstack Mcp Server together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

How do I install OpenArx or Localstack Mcp Server in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are OpenArx and Localstack Mcp Server free to use, or do they require API keys?

OpenArx is listed under a Free / Open Source model with No auth required . Localstack Mcp Server operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both OpenArx and Localstack Mcp Server at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both openarx and localstack-localstack-mcp-server as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, OpenArx has a Quality Score of 55 /100 ( Good ) with 0 views, 0 installs, and 8 GitHub stars. Localstack Mcp Server holds a Quality Score of 56 /100 ( Good ) with 0 views, 0 installs, and 25 GitHub stars.

Side-by-Side Model Context Protocol Comparison

OpenArx vs Localstack Mcp Server

In-depth architectural comparison of the OpenArx and Localstack Mcp Server 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.

At a Glance & Executive Verdict

OpenArx

Cloud Platforms · Remote HTTP/SSE

Quality: 55/100 (Good) | Auth: No auth required

Localstack Mcp Server

Cloud Platforms · Local stdio

Quality: 56/100 (Good) | Auth: No auth required

Verdict Summary: Choose OpenArx if you need specialized Cloud Platforms tools running via a hosted cloud SSE transport. Choose Localstack Mcp Server if your workspace requires Cloud Platforms integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose OpenArx when:

You need dedicated capabilities in the Cloud Platforms domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: search, search_keyword, search_semantic.

Explore OpenArx Details

Choose Localstack Mcp Server when:

You need dedicated capabilities in the Cloud Platforms domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: Lifecycle management of LocalStack runtime with authentication, Automatic detection and deployment of infrastructure as code projects, Natural language search of LocalStack documentation and guides.

Explore Localstack Mcp Server Details

Feature & Specification Comparison

Specification	OpenArx Cloud Platforms	Localstack Mcp Server localstack Cloud Platforms
Summary	Open scientific and engineering knowledge for AI agents: search, evidence, document publishing.	A MCP server for LocalStack to manage local AWS environments, including lifecycle operations, infra deployments, log analysis, fault injection, and state management.
Category & Scope	Cloud Platforms	Cloud Platforms

Tools & Capabilities Breakdown

OpenArx Tools (35)

Hybrid semantic and keyword search across scientific papers.

search_keyword

Pure keyword (BM25) search, fastest option for exact-term lookups.

search_semantic

Pure vector search, best for paraphrased queries and concept exploration.

find_related

Find related papers by similarity, by entity, or by concept.

paginate

Continue a previous search from its cached candidate pool instead of re-running it.

find_evidence

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).

OpenArx Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "openarx": {
      "url": "https://mcp.openarx.ai/researcher/mcp"
    }
  }
}

Localstack Mcp Server Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "localstack-localstack-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@localstack/localstack-mcp-server"
      ]
    }
  }
}

Frequently Asked Questions

OpenArx is categorized under Cloud Platforms and uses a remote streaming HTTP/SSE transport. In contrast, Localstack Mcp Server belongs to Cloud Platforms using local stdio subprocess. Select OpenArx when you need capabilities focused on cloud platforms and Localstack Mcp Server when you require tools for cloud platforms.

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