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PlainGrade

dev.workers.mike-tusa.plaingrade-api/plaingrade-api · v0.5.1

English readability scores (Flesch, Flesch-Kincaid, Fog, SMOG) and text stats. Text never stored.

Connect Remote server

Terminal
claude mcp add --transport http plaingrade-api https://plaingrade-api.mike-tusa.workers.dev/mcp --header "Authorization: Bearer <YOUR_API_KEY>"
~/.cursor/mcp.json
{
  "mcpServers": {
    "plaingrade-api": {
      "url": "https://plaingrade-api.mike-tusa.workers.dev/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "plaingrade-api": {
      "type": "http",
      "url": "https://plaingrade-api.mike-tusa.workers.dev/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_API_KEY>"
      }
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://plaingrade-api.mike-tusa.workers.dev/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 1 found in our last check

  • score_readability

    Compute readability scores for English text: Flesch Reading Ease, Flesch-Kincaid grade, Gunning Fog, SMOG, Coleman-Liau, ARI and a consensus grade, with plain-English interpretation, text statistics (words, sentences, syllables, reading and speaking time) and the sentences longe…

Headers

NameDescription
Authorization
Optional, secret
Optional. 'Bearer <key>': a free key (POST /v1/keys) or a PlainGrade Pro license key (PGPR-..., $5/mo via Polar) for higher limits. Works without a key.

Details

Endpointhttps://plaingrade-api.mike-tusa.workers.dev/mcp (Streamable HTTP)
First published1 Nov 2026
Last updated1 Nov 2026
Registry namedev.workers.mike-tusa.plaingrade-api/plaingrade-api

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