Promptspeak MCP Server vs Kakunin MCP

In-depth architectural comparison of the Promptspeak MCP Server and Kakunin 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.

Which MCP Server Should You Choose?

Choose Promptspeak MCP Server 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).
• Primary tools included: ps_validate, ps_validate_batch, ps_execute.

Explore Promptspeak MCP Server Details

Choose Kakunin MCP when:

• You need dedicated capabilities in the Security domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Freemium).
• You have access to required keys: KAKUNIN_API_KEY, KAKUNIN_AGENT_ID.
• Primary tools included: verify_agent_scope, check_risk_score, audit_log_append.

Feature & Specification Comparison

Specification	Promptspeak MCP Server chrbailey Security	Kakunin MCP kakunin-ai Security
Summary	Pre-execution governance for AI agents. Intercepts and validates every agent tool call through an 8-stage pipeline before execution — risk classification, behavioral drift detection, hold queue for dangerous operations, and complete audit trail. 45 tools, 658 tests.	Compliance and identity for AI agents — verify an agent's certificate scope, read its behavioral risk score, and append to an immutable audit trail. X.509 identity issued via AWS KMS; MiCA / EU AI Act aligned. npx -y @kakunin/mcp
Category & Scope

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "chrbailey-promptspeak-mcp-server": {
      "command": "npx",
      "args": [
        "promptspeak-mcp-server"
      ]
    }
  }
}

{
  "mcpServers": {
    "kakunin-ai-kakunin-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@kakunin/mcp"
      ],
      "env": {
        "KAKUNIN_API_KEY": "YOUR_KAKUNIN_API_KEY_HERE",
        "KAKUNIN_AGENT_ID": "YOUR_KAKUNIN_AGENT_ID_HERE"
      }
    }
  }
}

Related MCP Server Comparisons