Score text readability (Flesch, SMOG, ARI, grade level) via mcp-readability (npx)

{
  "server": "mcp-readability v1.0.0",
  "transport": "NDJSON (stdio)",
  "protocol": "2024-11-05",
  "trace": [
    {
      "step": "initialize",
      "elapsed_ms": 163,
      "request": {
        "jsonrpc": "2.0",
        "id": 1,
        "method": "initialize",
        "params": {
          "protocolVersion": "2024-11-05",
          "capabilities": {},
          "clientInfo": {
            "name": "pathfinder",
            "version": "1.0.0"
          }
        }
      },
      "response_server": {
        "name": "mcp-readability",
        "version": "1.0.0"
      }
    },
    {
      "step": "tools/list",
      "elapsed_ms": 166,
      "tool_count": 1,
      "tools": ["analyze_readability({text:string, include_suggestions?:boolean})"]
    },
    {
      "step": "analyze_readability",
      "elapsed_ms": 167,
      "request": {
        "name": "analyze_readability",
        "arguments": {
          "text": "The quick brown fox jumps over the lazy dog. This is a simple sentence that most people can understand. Reading level analysis helps content creators ensure their writing is accessible to their target audience. By measuring factors like sentence length, syllable count, and word complexity, readability scores provide an objective measure of how easy or difficult a text is to comprehend."
        }
      },
      "response": {
        "scores": {
          "flesch_reading_ease": 45.7,
          "flesch_kincaid_grade": 10.7,
          "smog_index": 11.7,
          "ari": 11
        },
        "reading_level": "High School (9th–12th grade)",
        "audience": "High school students",
        "stats": {
          "word_count": 61,
          "sentence_count": 4,
          "syllable_count": 105,
          "avg_words_per_sentence": 15.3,
          "avg_syllables_per_word": 1.72
        },
        "summary": "Flesch Reading Ease: 45.7 | FK Grade: 10.7 | SMOG: 11.7 | ARI: 11 — High School (9th–12th grade) (61 words, 4 sentences)",
        "suggestions": ["1 sentence exceeds 25 words — consider splitting.", "1 word has 5+ syllables — consider simpler alternatives: readability"]
      }
    }
  ],
  "executed_at": "2026-06-13T11:12:00Z"
}