CSV to JSON API MCP Server

by br0ski777 Your server? Claim it

not responding

CSV to JSON API is listed as active in the registry but did not answer our last check. It exposes 1 tools. Last commit 2 Sep 2026.

Parse CSV to JSON array. Auto-detect delimiter, headers. x402 micropayment.

Uptime history 51 days of history · worst day 0%

51 days agonow

0.0%

Uptime 24h

0 of 91 checks

Tools

read from the server

54 ms

Response time

average over 24h

Stars

last commit 2 Sep 2026

CSV to JSON API does not always answer

Over the last week it answered 30.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 3 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add csv-to-json --transport http https://csv-to-json.api.klymax402.com/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "csv-to-json": {
      "url": "https://csv-to-json.api.klymax402.com/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.csv-to-json]
url = "https://csv-to-json.api.klymax402.com/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "csv-to-json": {
      "url": "https://csv-to-json.api.klymax402.com/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "csv-to-json": {
      "url": "https://csv-to-json.api.klymax402.com/mcp"
    }
  }
}

Available tools 1

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

data

data_parse_csv_to_json

Use this when you need to convert CSV data to a JSON array. Returns parsed data with auto-detected settings in JSON. Returns: 1. data (array of objects with column names as keys) 2. rowCount 3. columnCount 4. detectedDelimiter 5. headers array. Example output: {"data":[{"name":"Alice","age":"30","city":"Paris"},{"name":"Bob","age":"25","city":"London"}],"rowCount":2,"columnCount":3,"detectedDelimiter":",","headers":["name","age","city"]} Use this FOR data migration, importing spreadsheets into APIs, converting exported CSV reports, and preparing tabular data for analysis. Do NOT use for JSON validation -- use data_validate_json instead. Do NOT use for markdown conversion -- use text_convert_markdown_to_html instead. Do NOT use for web scraping -- use web_scrape_to_markdown instead.

Endpoints

URL	Transport	State	Latency	Checked
https://csv-to-json.api.klymax402.com/mcp	sse	answering	54 ms	3 min ago

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CSV to JSON API — questions

Answers built from our own checks of this server.

What can CSV to JSON API do?

It exposes 1 tools, read directly from the server on our last check. Among them: data_parse_csv_to_json. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is CSV to JSON API working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 91 checks got a reply (0.0%), average response time 54 ms. The bar chart above shows every period we have measured.

The registry lists CSV to JSON API as active — why does it not respond?

The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.

How do I connect CSV to JSON API?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does CSV to JSON API need an API key?

No. CSV to JSON API completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.

Is CSV to JSON API open source?

Yes — it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.