What is the key difference between 1Claw Vault and Captcha MCP?

1Claw Vault belongs to the Security category with local stdio execution, while Captcha MCP belongs to the Security category with local stdio execution.

How do I install 1Claw Vault or Captcha MCP 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 1Claw Vault and Captcha MCP free or paid?

1Claw Vault operates under a Free / Open Source model (API Key required). Captcha MCP operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

1Claw Vault lists 36 tools with 4 views and 2 GitHub stars. Captcha MCP lists 6 tools with 2 views and 1 GitHub stars.

Can I use both 1Claw Vault and Captcha MCP 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

1Claw Vault vs Captcha MCP

In-depth architectural comparison of the 1Claw Vault and Captcha MCP 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

1Claw Vault

Security · Local stdio

Quality: 60/100 (Good) | Auth: API Key required

Captcha MCP

Security · Local stdio

Quality: 53/100 (Good) | Auth: No auth required

Verdict Summary: Choose 1Claw Vault if you need specialized Security tools running via a local process. Choose Captcha MCP if your workspace requires Security integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose 1Claw Vault when:

You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: ONECLAW_AGENT_API_KEY, ONECLAW_AGENT_TOKEN, ONECLAW_VAULT_ID, ONECLAW_LOCAL_ONLY, ONECLAW_LOCAL_VAULT, ONECLAW_DAEMON_SOCKET, MCP_TRANSPORT, PORT.
Primary tools included: list_secrets, get_secret, put_secret.

Explore 1Claw Vault Details

Choose Captcha MCP when:

You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
You have access to required keys: CAPTCHA_URL, HTTP_MODE, PORT.

Feature & Specification Comparison

Specification	1Claw Vault Security	Captcha MCP zekebuilds-lab Security
Summary	HSM-backed vault secrets for AI agents (JIT fetch) plus prompt-injection and threat scanning.	L402 Lightning paywall + Hashcash proof-of-work gate for MCP tool calls. Free tier solves a PoW challenge; paid tier pays a Lightning invoice via self-hosted LNBits. No accounts, no API keys, no third-party SaaS. Drop-in middleware for any MCP server. npx @powforge/captcha-mcp.
Category & Scope	Security

Tools & Capabilities Breakdown

1Claw Vault Tools (36)

list_secrets

List all secrets (metadata only — never values)

get_secret

Fetch the decrypted value of a secret by path. Accepts optional `client_share` for MPC vaults.

put_secret

Create or update a secret (creates a new version). Response includes `client_share` when the vault has MPC enabled.

delete_secret

Soft-delete a secret at a path

describe_secret

Get metadata without fetching the value

rotate_and_store

Store a new value for an existing secret and return the version

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).

1Claw Vault Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "1claw-vault": {
      "command": "npx",
      "args": [
        "-y",
        "@1claw/mcp"
      ],
      "env": {
        "ONECLAW_AGENT_API_KEY": "YOUR_ONECLAW_AGENT_API_KEY_HERE",
        "ONECLAW_AGENT_TOKEN": "YOUR_ONECLAW_AGENT_TOKEN_HERE",
        "ONECLAW_VAULT_ID": "YOUR_ONECLAW_VAULT_ID_HERE",
        "ONECLAW_LOCAL_ONLY": "YOUR_ONECLAW_LOCAL_ONLY_HERE",
        "ONECLAW_LOCAL_VAULT": "YOUR_ONECLAW_LOCAL_VAULT_HERE",
        "ONECLAW_DAEMON_SOCKET": "YOUR_ONECLAW_DAEMON_SOCKET_HERE",
        "MCP_TRANSPORT": "YOUR_MCP_TRANSPORT_HERE",
        "PORT": "YOUR_PORT_HERE"
      }
    }
  }
}

Captcha MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "zekebuilds-lab-captcha-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@powforge/captcha-mcp"
      ],
      "env": {
        "CAPTCHA_URL": "YOUR_CAPTCHA_URL_HERE",
        "HTTP_MODE": "YOUR_HTTP_MODE_HERE",
        "PORT": "YOUR_PORT_HERE"
      }
    }
  }
}

Frequently Asked Questions

1Claw Vault is categorized under Security and uses a local stdio subprocess. In contrast, Captcha MCP belongs to Security using local stdio subprocess. Select 1Claw Vault when you need capabilities focused on security and Captcha MCP when you require tools for security.

More alternatives to 1Claw Vault More alternatives to Captcha MCP Security category hub