Tanod Text

utilpeek: count words and score the readability of a text

text_stats

Read-onlyIdempotent

utilpeek: Count words and score the readability of a text. Returns counts (characters, letters, words, unique words, sentences, paragraphs, averages), reading and speaking time, and for English the Flesch reading ease, Flesch-Kincaid grade, Gunning fog, SMOG, Coleman-Liau and ARI scores (estimates from heuristic syllable counts; Dale-Chall is not offered). Input: text and optional lang. An unsupported lang is a 422 invalid_lang and text without words a 422 no_words (not charged). Word counts undercount scripts written without spaces. Typically under 0.2 s. Price: USD 0.001. Free: 10 utilpeek calls per IP per UTC day. Tanod does not log or store the submitted text; it is processed in memory for this answer. Docs: https://tanod.dev/learn/text-statistics-api.html

Input Schema

TableJSON Schema

Name	Required	Description	Default
`lang`	No	ISO 639 code; readability scores are computed for English only (default en); any other language gets counts only.
`text`	Yes	The text (at most 200,000 characters).

Output Schema

TableJSON Schema

Name	Required	Description
`lang`	No
`note`	No
`error`	No	Only on an error result: an object {code, message}, or the reason string of an x402 PaymentRequired object.
`counts`	No
`source`	No
`syllables`	No
`readability`	No
`reading_time_seconds`	No
`speaking_time_seconds`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedOct 8, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "counts": {
+      "properties": {
+        "avg_sentence_words": {
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "avg_word_length": {
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "characters": {
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "characters_no_spaces": {
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "letters": {
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "paragraphs": {
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "sentences": {
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "unique_words": {
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "words": {
+          "type": [
+            "number",
+            "null"
+          ]
+        }
+      },
+      "type": [
+        "object",
+        "null"
+      ]
+    },
+    "error": {
+      "description": "Only on an error result: an object {code, message}, or the reason string of an x402 PaymentRequired object."
+    },
+    "lang": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "note": {
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "readability": {
+      "properties": {
+        "automated_readability_index": {
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "coleman_liau_index": {
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "dale_chall": {
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "flesch_kincaid_grade": {
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "flesch_reading_ease": {
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "gunning_fog": {
+          "type": [
+            "number",
+            "null"
+          ]
+        },
+        "smog_index": {
+          "type": [
+            "number",
+            "null"
+          ]
+        }
+      },
+      "type": [
+        "object",
+        "null"
+      ]
+    },
+    "reading_time_seconds": {
+      "type": [
+        "integer",
+        "null"
+      ]
+    },
+    "source": {
+      "properties": {
+        "library": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "license": {
+          "type": [
+            "string",
+            "null"
+          ]
+        }
+      },
+      "type": [
+        "object",
+        "null"
+      ]
+    },
+    "speaking_time_seconds": {
+      "type": [
+        "integer",
+        "null"
+      ]
+    },
+    "syllables": {
+      "type": [
+        "object",
+        "null"
+      ]
+    }
+  },
+  "type": "object"
+}

First observedOct 8, 2026

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