MCP MeasureMCP Measure

index observed

ReactionMetric MCP

Five-trial reaction-time summary and links to browser-based reaction tests.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
80%
Naming quality
100%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~167Tokens (tool definitions)
~563 BTypical response size
Minimal attention impact (0.13% 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": {
    "reactionmetric-mcp": {
      "url": "https://reactionmetric.com/mcp"
    }
  }
}

Remote endpoints

https://reactionmetric.com/mcpstreamable-http

What it can do

Tool inventory

Tools (2)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢summarize_reaction_trials(trials_ms)

Calculate a transparent median of five user-supplied valid browser-observed reaction times in milliseconds; no calibration or population percentile claims.

Input Schema

{
  "type": "object",
  "properties": {
    "trials_ms": {
      "type": "array",
      "items": {
        "type": "number",
        "minimum": 1,
        "maximum": 10000
      },
      "minItems": 5,
      "maxItems": 5
    }
  },
  "required": [
    "trials_ms"
  ],
  "additionalProperties": false
}
🟢find_reaction_test(test)

Find the matching ReactionMetric browser test page.

Input Schema

{
  "type": "object",
  "properties": {
    "test": {
      "type": "string",
      "enum": [
        "reaction",
        "reflex",
        "double_click",
        "cps",
        "f1",
        "sound",
        "keyboard"
      ]
    }
  },
  "required": [
    "test"
  ],
  "additionalProperties": false
}

Community

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Evidence

Recent observations

verifiedversion not recorded2 tools