What is the key difference between Context Firewall and Metatool App?

Context Firewall belongs to the Aggregators category with local stdio execution, while Metatool App belongs to the Aggregators category with local stdio execution.

How do I install Context Firewall or Metatool App 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 Context Firewall and Metatool App free or paid?

Context Firewall operates under a Free / Open Source model (No auth required). Metatool App operates under a Free / Open Source model (API Key required).

Which MCP server has more tools and community activity?

Context Firewall lists 6 tools with 2 views and 2 GitHub stars. Metatool App lists 6 tools with 2 views and 2,670 GitHub stars.

Can I use both Context Firewall and Metatool App 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.

Side-by-Side Model Context Protocol Comparison

Context Firewall vs Metatool App

In-depth architectural comparison of the Context Firewall and Metatool App 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

Context Firewall

Aggregators · Local stdio

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

Metatool App

Aggregators · Local stdio

Quality: 45/100 (Fair) | Auth: API Key required

Verdict Summary: Choose Context Firewall if you need specialized Aggregators tools running via a local process. Choose Metatool App if your workspace requires Aggregators integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Context Firewall when:

You need dedicated capabilities in the Aggregators domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: Collapses 50+ MCP tools into 4 meta-tools, Compresses outputs by 60–95% using HTML→Markdown, JSON summarization, base64 stripping, Progressive tool schema disclosure to reduce upfront token cost.

Explore Context Firewall Details

Choose Metatool App when:

You need dedicated capabilities in the Aggregators domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: METAMCP_API_KEY, METAMCP_OIDC_CLIENT_ID, METAMCP_OIDC_CLIENT_SECRET, METAMCP_OIDC_ISSUER, METAMCP_LOG_LEVEL.

Feature & Specification Comparison

Specification	Context Firewall Alepha188838884 Aggregators	Metatool App metatool-ai Aggregators
Summary
Category & Scope	Aggregators	Aggregators

Tools & Capabilities Breakdown

Context Firewall Tools (6)

Collapses 50+ MCP tools into 4 meta-tools

Compresses outputs by 60–95% using HTML→Markdown, JSON summarization, base64 stripping

Progressive tool schema disclosure to reduce upfront token cost

Full output retrievable with read_more method

Per-session token savings report with breakdown by tool

Supports per-tool allow/deny policies for downstream servers

Metatool App Tools (6)

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).

Context Firewall Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "alepha188838884-context-firewall": {
      "command": "npx",
      "args": [
        "-y",
        "context-firewall"
      ]
    }
  }
}

Metatool App Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "metatool-ai-metatool-app": {
      "command": "uvx",
      "args": [
        "mcp-hn"
      ],
      "env": {
        "METAMCP_API_KEY": "YOUR_METAMCP_API_KEY_HERE",
        "METAMCP_OIDC_CLIENT_ID": "YOUR_METAMCP_OIDC_CLIENT_ID_HERE",
        "METAMCP_OIDC_CLIENT_SECRET": "YOUR_METAMCP_OIDC_CLIENT_SECRET_HERE",
        "METAMCP_OIDC_ISSUER": "YOUR_METAMCP_OIDC_ISSUER_HERE",
        "METAMCP_LOG_LEVEL": "YOUR_METAMCP_LOG_LEVEL_HERE"
      }
    }
  }
}

Frequently Asked Questions

Context Firewall is categorized under Aggregators and uses a local stdio subprocess. In contrast, Metatool App belongs to Aggregators using local stdio subprocess. Select Context Firewall when you need capabilities focused on aggregators and Metatool App when you require tools for aggregators.

More alternatives to Context Firewall More alternatives to Metatool App Aggregators category hub