{
  "title": "CSV validator",
  "human_url": "https://happytails.ai/en/data-tools/csv-validator/",
  "agent_url": "https://happytails.ai/agents/en/data-tools/csv-validator/",
  "language": "en",
  "markdown_url": "https://happytails.ai/en/data-tools/csv-validator.md",
  "content": "CSV validator\nCheck CSV headers, quoting and row lengths.\nUseful next steps\nCSV to JSON\nConvert CSV to JSON.\nJSON to CSV\nConvert JSON to CSV.\nTSV to CSV\nConvert TSV to CSV.\nHow to use CSV validator\nEnter csv in the input field.\nThe result updates as you type. Adjust the available settings if needed.\nReview the result, then use Copy result or a download link when available.\nWhat to expect\nCheck CSV headers, quoting and row lengths. Choose the delimiter used in your text. The result reports the row count and column names for valid input. Duplicate or empty headers and inconsistent row lengths are rejected.",
  "content_format": "text/plain",
  "visibility": "public",
  "links": [
    {
      "name": "CSV to JSON Convert CSV to JSON.",
      "url": "https://happytails.ai/en/data-tools/csv-to-json/"
    },
    {
      "name": "JSON to CSV Convert JSON to CSV.",
      "url": "https://happytails.ai/en/data-tools/json-to-csv/"
    },
    {
      "name": "TSV to CSV Convert TSV to CSV.",
      "url": "https://happytails.ai/en/data-tools/tsv-to-csv/"
    }
  ],
  "tool": {
    "id": "csv-validator",
    "category": "data-tools",
    "built": true,
    "requirements": "Report malformed quoting, inconsistent row widths and encoding; configurable dialect.",
    "implementation": {
      "fields": [
        {
          "key": "delimiter",
          "label": "CSV separator",
          "value": ",",
          "type": "select",
          "values": [
            ",",
            ";",
            "\t"
          ]
        }
      ],
      "experience": {
        "automatic": true,
        "single": false,
        "label": "CSV",
        "placeholder": "name,score\nAda,98\nSam,92",
        "help": "Include a header row. Quote cells that contain commas or new lines. Results update as you type. Up to 1,000,000 characters.",
        "action": null
      },
      "mode": "automatic",
      "interactive": false
    },
    "execution": "POST /api/v1/tools/csv-validator/run",
    "api": {
      "id": "csv-validator",
      "name": "CSV validator",
      "category": "data-tools",
      "description": "Check CSV headers, quoting and row lengths.",
      "notes": "",
      "human_path": "/en/data-tools/csv-validator/",
      "method": "POST",
      "endpoint": "/api/v1/tools/csv-validator/run",
      "schema_url": "/api/v1/tools/csv-validator",
      "input_schema": {
        "type": "object",
        "additionalProperties": false,
        "properties": {
          "input": {
            "type": "string",
            "maxLength": 1000000,
            "default": "",
            "description": "Plain text input. File tools use files instead unless otherwise documented."
          },
          "options": {
            "type": "object",
            "additionalProperties": false,
            "properties": {
              "delimiter": {
                "type": "string",
                "description": "CSV separator",
                "default": ",",
                "enum": [
                  ",",
                  ";",
                  "\t"
                ]
              }
            }
          }
        }
      },
      "output_schema": {
        "type": "object",
        "required": [
          "tool",
          "result"
        ],
        "properties": {
          "tool": {
            "type": "string"
          },
          "result": {
            "type": "object",
            "required": [
              "text",
              "files"
            ],
            "properties": {
              "text": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "data": {
                "description": "Parsed JSON when the textual result is JSON."
              },
              "name": {
                "type": "string"
              },
              "mime": {
                "type": "string"
              },
              "files": {
                "type": "array",
                "items": {
                  "type": "object",
                  "required": [
                    "name",
                    "mime",
                    "bytes",
                    "base64"
                  ],
                  "properties": {
                    "name": {
                      "type": "string"
                    },
                    "mime": {
                      "type": "string"
                    },
                    "bytes": {
                      "type": "integer"
                    },
                    "base64": {
                      "type": "string",
                      "contentEncoding": "base64"
                    }
                  }
                }
              }
            }
          }
        }
      },
      "processing": "Server; same transformation code as browser tools",
      "limits": {
        "request_bytes": 8388608,
        "input_characters": 1000000,
        "files_bytes": 5242880,
        "max_files": 0,
        "timeout_seconds": 12
      }
    },
    "agent_processing": "Server; same transformation code as browser tools",
    "browser_agent": {
      "supported": true,
      "name": "run_current_tool",
      "discovery": "WebMCP on the human page in a supporting browser",
      "verification": "See audit/API-AUDIT.md; availability is not verification"
    }
  },
  "markdown": "# CSV validator\n\n- Human page: https://happytails.ai/en/data-tools/csv-validator/\n- Markdown: https://happytails.ai/en/data-tools/csv-validator.md\n- Structured JSON: https://happytails.ai/agents/en/data-tools/csv-validator/index.json\n- Visibility: public\n\n## Tool capabilities\n\n| Property | Value |\n| --- | --- |\n| Tool ID | `csv-validator` |\n| Category | data-tools |\n| Implementation | Registered implementation. Registration alone is not a production-quality guarantee. |\n| Browser execution | Automatic updates after valid input or file selection. |\n| Browser processing | Browser; see tool notes for network behavior. |\n| HTTP API | /api/v1/tools/csv-validator/run |\n| Browser-agent interface | run_current_tool |\n\n### Inputs and settings\n\nText input: CSV.\n\nExample or placeholder shown in the interface (not a validated fixture):\n\n```text\nname,score\nAda,98\nSam,92\n```\n\nInclude a header row. Quote cells that contain commas or new lines. Results update as you type. Up to 1,000,000 characters.\n\n| Setting | Meaning | Control type | Default | Constraints |\n| --- | --- | --- | --- | --- |\n| `delimiter` | CSV separator | select | \",\" | Allowed: ,, ;, \t |\n\n### HTTP contract\n\nAPI calls process supplied data on the server. The website origin is `https://happytails.ai`. Server API hosting is not connected on the public website yet. Use your local server origin to test these requests.\n\n```http\nPOST https://happytails.ai/api/v1/tools/csv-validator/run\nContent-Type: application/json\n```\n\n[Detailed operation reference](https://happytails.ai/en/api/tools/csv-validator.md) · [Shared API guide](https://happytails.ai/en/api.md)\n\n#### Limits\n\n| Limit | Value |\n| --- | --- |\n| request_bytes | 8388608 |\n| input_characters | 1000000 |\n| files_bytes | 5242880 |\n| max_files | 0 |\n| timeout_seconds | 12 |\n\n#### Complete input schema\n\n```json\n{\n  \"type\": \"object\",\n  \"additionalProperties\": false,\n  \"properties\": {\n    \"input\": {\n      \"type\": \"string\",\n      \"maxLength\": 1000000,\n      \"default\": \"\",\n      \"description\": \"Plain text input. File tools use files instead unless otherwise documented.\"\n    },\n    \"options\": {\n      \"type\": \"object\",\n      \"additionalProperties\": false,\n      \"properties\": {\n        \"delimiter\": {\n          \"type\": \"string\",\n          \"description\": \"CSV separator\",\n          \"default\": \",\",\n          \"enum\": [\n            \",\",\n            \";\",\n            \"\\t\"\n          ]\n        }\n      }\n    }\n  }\n}\n```\n\n#### Complete output schema\n\n```json\n{\n  \"type\": \"object\",\n  \"required\": [\n    \"tool\",\n    \"result\"\n  ],\n  \"properties\": {\n    \"tool\": {\n      \"type\": \"string\"\n    },\n    \"result\": {\n      \"type\": \"object\",\n      \"required\": [\n        \"text\",\n        \"files\"\n      ],\n      \"properties\": {\n        \"text\": {\n          \"type\": [\n            \"string\",\n            \"null\"\n          ]\n        },\n        \"data\": {\n          \"description\": \"Parsed JSON when the textual result is JSON.\"\n        },\n        \"name\": {\n          \"type\": \"string\"\n        },\n        \"mime\": {\n          \"type\": \"string\"\n        },\n        \"files\": {\n          \"type\": \"array\",\n          \"items\": {\n            \"type\": \"object\",\n            \"required\": [\n              \"name\",\n              \"mime\",\n              \"bytes\",\n              \"base64\"\n            ],\n            \"properties\": {\n              \"name\": {\n                \"type\": \"string\"\n              },\n              \"mime\": {\n                \"type\": \"string\"\n              },\n              \"bytes\": {\n                \"type\": \"integer\"\n              },\n              \"base64\": {\n                \"type\": \"string\",\n                \"contentEncoding\": \"base64\"\n              }\n            }\n          }\n        }\n      }\n    }\n  }\n}\n```\n\n#### Error and retry handling\n\nFailures return a non-200 status and `error.code` plus `error.message`. Correct invalid input before retrying; retry server-busy responses with bounded backoff. Returned files contain Base64 data, not persistent download URLs. Decode and inspect the output before treating conversion as successful. See the shared API guide for the complete status and timeout rules.\n\n### Browser-agent workflow\n\n1. Open the human page in a browser that supports WebMCP.\n2. Discover the interface exposed by that page; use its actual schema.\n3. Select files on the page first when the tool requires files.\n4. Call `run_current_tool` with valid input and settings.\n5. Inspect the returned result or error and the displayed output. Retrieve files from the displayed download links.\n\nCalls do not automatically copy or download results. Browser permissions still apply. Interface availability alone is not proof of successful execution.\n\n### Planning specification\n\nReport malformed quoting, inconsistent row widths and encoding; configurable dialect.\n\nThis describes intended requirements. Use the implementation notes, interface schema and observed output to determine current support.\n\n### Complete machine-readable capability record\n\n```json\n{\n  \"id\": \"csv-validator\",\n  \"category\": \"data-tools\",\n  \"built\": true,\n  \"requirements\": \"Report malformed quoting, inconsistent row widths and encoding; configurable dialect.\",\n  \"implementation\": {\n    \"fields\": [\n      {\n        \"key\": \"delimiter\",\n        \"label\": \"CSV separator\",\n        \"value\": \",\",\n        \"type\": \"select\",\n        \"values\": [\n          \",\",\n          \";\",\n          \"\\t\"\n        ]\n      }\n    ],\n    \"experience\": {\n      \"automatic\": true,\n      \"single\": false,\n      \"label\": \"CSV\",\n      \"placeholder\": \"name,score\\nAda,98\\nSam,92\",\n      \"help\": \"Include a header row. Quote cells that contain commas or new lines. Results update as you type. Up to 1,000,000 characters.\",\n      \"action\": null\n    },\n    \"mode\": \"automatic\",\n    \"interactive\": false\n  },\n  \"execution\": \"POST /api/v1/tools/csv-validator/run\",\n  \"api\": {\n    \"id\": \"csv-validator\",\n    \"name\": \"CSV validator\",\n    \"category\": \"data-tools\",\n    \"description\": \"Check CSV headers, quoting and row lengths.\",\n    \"notes\": \"\",\n    \"human_path\": \"/en/data-tools/csv-validator/\",\n    \"method\": \"POST\",\n    \"endpoint\": \"/api/v1/tools/csv-validator/run\",\n    \"schema_url\": \"/api/v1/tools/csv-validator\",\n    \"input_schema\": {\n      \"type\": \"object\",\n      \"additionalProperties\": false,\n      \"properties\": {\n        \"input\": {\n          \"type\": \"string\",\n          \"maxLength\": 1000000,\n          \"default\": \"\",\n          \"description\": \"Plain text input. File tools use files instead unless otherwise documented.\"\n        },\n        \"options\": {\n          \"type\": \"object\",\n          \"additionalProperties\": false,\n          \"properties\": {\n            \"delimiter\": {\n              \"type\": \"string\",\n              \"description\": \"CSV separator\",\n              \"default\": \",\",\n              \"enum\": [\n                \",\",\n                \";\",\n                \"\\t\"\n              ]\n            }\n          }\n        }\n      }\n    },\n    \"output_schema\": {\n      \"type\": \"object\",\n      \"required\": [\n        \"tool\",\n        \"result\"\n      ],\n      \"properties\": {\n        \"tool\": {\n          \"type\": \"string\"\n        },\n        \"result\": {\n          \"type\": \"object\",\n          \"required\": [\n            \"text\",\n            \"files\"\n          ],\n          \"properties\": {\n            \"text\": {\n              \"type\": [\n                \"string\",\n                \"null\"\n              ]\n            },\n            \"data\": {\n              \"description\": \"Parsed JSON when the textual result is JSON.\"\n            },\n            \"name\": {\n              \"type\": \"string\"\n            },\n            \"mime\": {\n              \"type\": \"string\"\n            },\n            \"files\": {\n              \"type\": \"array\",\n              \"items\": {\n                \"type\": \"object\",\n                \"required\": [\n                  \"name\",\n                  \"mime\",\n                  \"bytes\",\n                  \"base64\"\n                ],\n                \"properties\": {\n                  \"name\": {\n                    \"type\": \"string\"\n                  },\n                  \"mime\": {\n                    \"type\": \"string\"\n                  },\n                  \"bytes\": {\n                    \"type\": \"integer\"\n                  },\n                  \"base64\": {\n                    \"type\": \"string\",\n                    \"contentEncoding\": \"base64\"\n                  }\n                }\n              }\n            }\n          }\n        }\n      }\n    },\n    \"processing\": \"Server; same transformation code as browser tools\",\n    \"limits\": {\n      \"request_bytes\": 8388608,\n      \"input_characters\": 1000000,\n      \"files_bytes\": 5242880,\n      \"max_files\": 0,\n      \"timeout_seconds\": 12\n    }\n  },\n  \"agent_processing\": \"Server; same transformation code as browser tools\",\n  \"browser_agent\": {\n    \"supported\": true,\n    \"name\": \"run_current_tool\",\n    \"discovery\": \"WebMCP on the human page in a supporting browser\",\n    \"verification\": \"See audit/API-AUDIT.md; availability is not verification\"\n  }\n}\n```\n\n## Page guide\n\nCheck CSV headers, quoting and row lengths.\n\n## Useful next steps\n\n- [CSV to JSON](https://happytails.ai/en/data-tools/csv-to-json/): Convert CSV to JSON. ([Markdown](https://happytails.ai/en/data-tools/csv-to-json.md))\n\n- [JSON to CSV](https://happytails.ai/en/data-tools/json-to-csv/): Convert JSON to CSV. ([Markdown](https://happytails.ai/en/data-tools/json-to-csv.md))\n\n- [TSV to CSV](https://happytails.ai/en/data-tools/tsv-to-csv/): Convert TSV to CSV. ([Markdown](https://happytails.ai/en/data-tools/tsv-to-csv.md))\n\n## How to use CSV validator\n\n1. Enter csv in the input field.\n2. The result updates as you type. Adjust the available settings if needed.\n3. Review the result, then use Copy result or a download link when available.\n\n## What to expect\n\nCheck CSV headers, quoting and row lengths. Choose the delimiter used in your text. The result reports the row count and column names for valid input. Duplicate or empty headers and inconsistent row lengths are rejected.\n"
}