CSV to JSON API
Parse CSV to JSON array. Auto-detect delimiter, headers. x402 micropayment.
Install
Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).
claude mcp add --transport sse csv-to-json-api 'https://csv-to-json.api.klymax402.com/mcp'{
"mcpServers": {
"csv-to-json-api": {
"type": "sse",
"url": "https://csv-to-json.api.klymax402.com/mcp"
}
}
}Documentation
From the project's README on GitHub, refreshed weekly. Links open on GitHub.
Contents
CSV to JSON API
Parse CSV to JSON array -- auto-detect delimiter (comma/semicolon/tab/pipe), header row support. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.
Part of the klymax402 marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.
Quickstart -- MCP
Add to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):
{
"mcpServers": {
"csv-to-json": {
"url": "https://csv-to-json.api.klymax402.com/mcp"
}
}
}Quickstart -- HTTP (x402)
curl -X POST "https://csv-to-json.api.klymax402.com/api/parse" \
-H "Content-Type: application/json" \
-d '{"csv":"..."}'
# -> 402 Payment Required, with an x402 payment challenge in the response bodyAny x402-aware client (@x402/fetch, x402-agent-tools, ATXP) handles the 402 -> sign -> retry cycle automatically.
Tools
| Tool | Method | Path | Price | Description |
|---|---|---|---|---|
data_parse_csv_to_json | POST | /api/parse | $0.003 | Parse CSV text to JSON array |
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.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
csv | string | yes | CSV content to parse |
delimiter | string | no | Delimiter: comma, semicolon, tab, pipe (default: auto-detect) |
hasHeaders | boolean | no | First row is headers (default: true) |
Example response:
{"data":[{"name":"Alice","age":"30","city":"Paris"},{"name":"Bob","age":"25","city":"London"}],"rowCount":2,"columnCount":3,"detectedDelimiter":",","headers":["name","age","city"]}When to use: data migration, importing spreadsheets into APIs, converting exported CSV reports, and preparing tabular data for analysis.
Not for: JSON validation (use data_validate_json), markdown conversion (use text_convert_markdown_to_html), web scraping (use web_scrape_to_markdown).
Example agent prompts
- "Convert CSV data to a JSON array"
Payment
- Protocol: x402 -- HTTP-native pay-per-call, no signup, no API key
- Network: Base L2 (
eip155:8453) - Asset: USDC
- Facilitator: Coinbase CDP (primary), PayAI (fallback)
- Also reachable via ATXP (OAuth-wrapped x402, RFC 9728 protected-resource metadata)
Part of klymax402
100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.
- Catalog: https://klymax402.com/llms.txt
- Full API reference: https://klymax402.com/llms-full.txt
- Live stats: https://klymax402.com/stats
License
MIT
Frequently asked questions
What is CSV to JSON API?
Parse CSV to JSON array. Auto-detect delimiter, headers. x402 micropayment.
How do I install CSV to JSON API?
It runs as a remote server. In Claude Code: claude mcp add --transport sse csv-to-json-api 'https://csv-to-json.api.klymax402.com/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.
Does CSV to JSON API need an API key?
Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.
Is CSV to JSON API open source?
Yes. Its code is on GitHub under the MIT license.
Who maintains CSV to JSON API?
It is published by Br0ski777. AI.tn lists it but does not maintain or endorse it.
From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.