MCP MeasureMCP Measure

index observed

Guardrail MCP

Deterministic preflight checks for credentials, fund transfers, writes, and prompt overrides.

Should I use this

Quality & Safety

B
Description quality
90%
Schema completeness
55%
Naming quality
100%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~180Tokens (tool definitions)
~374 BTypical response size
Minimal attention impact (0.14% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "guardrail-mcp": {
      "url": "https://guardrail-mcp.kadopi.workers.dev/mcp"
    }
  }
}

Remote endpoints

https://guardrail-mcp.kadopi.workers.dev/mcpstreamable-http

What it can do

Tool inventory

Tools (2)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢get_guardrail_capabilities

Returns the scope and safety boundary of this free, deterministic preflight checker.

Input Schema

{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}
🟢assess_action_risk(action, content)

Runs a deterministic, read-only preflight check. It never executes the proposed action.

Input Schema

{
  "type": "object",
  "properties": {
    "action": {
      "type": "string",
      "minLength": 1,
      "maxLength": 4000
    },
    "content": {
      "type": "string",
      "maxLength": 12000
    }
  },
  "required": [
    "action"
  ],
  "additionalProperties": false
}

Community

Rate this Server

Evidence

Recent observations

verifiedversion not recorded2 tools
verifiedversion not recorded2 tools
verifiedversion not recorded2 tools