io.github.SebastianMaciel/jsx-notation

jsx-notation

JSXN encoder/decoder — compact notation for React/Next.js files, optimized for LLMs

107/wk 4 tools GitHub npm

No known CVEs

MIT license

Stale

Last commit 185d ago

Works with most clients

Transport: stdio, sse, http

4 tools · ~371 tok

Grade A · 0.2% of 200K ctx

MCPpedia last refreshed this data 9h ago

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io.github.SebastianMaciel/jsx-notation is an MCP server that JSXN encoder/decoder — compact notation for React/Next.js files, optimized for LLMs. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 79/100 on MCPpedia's security, maintenance and efficiency rubric.

Developer Tools

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

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

{
  "mcpServers": {
    "jsx-notation": {
      "args": [
        "jsx-notation"
      ],
      "command": "npx"
    }
  }
}

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[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-sebastianmaciel-jsx-notation)](https://mcppedia.org/s/io-github-sebastianmaciel-jsx-notation)

Read me

What io.github.SebastianMaciel/jsx-notation does

Compress React/Next.js files, HTML, and SVG by ~40% for AI assistants. An MCP server and library that converts JSX/TSX, HTML, and SVG into JSXN — a compact notation optimized for LLM token consumption.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y 'jsx-notation' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

79/100across 5 weighted dimensions

How we score →

0255075100

−21

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked jsx-notation against OSV.dev.

Inventory

Tools (4)

Click any tool to inspect its schema.

~371 tokens total

Community

Reviews

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How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is io.github.SebastianMaciel/jsx-notation safe to use?: io.github.SebastianMaciel/jsx-notation has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.
How do I install io.github.SebastianMaciel/jsx-notation?: io.github.SebastianMaciel/jsx-notation supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can io.github.SebastianMaciel/jsx-notation do?: io.github.SebastianMaciel/jsx-notation provides 4 tools: read_jsxn, encode_jsxn, decode_jsxn, write_jsxn. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.SebastianMaciel/jsx-notation?: io.github.SebastianMaciel/jsx-notation is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is io.github.SebastianMaciel/jsx-notation actively maintained?: io.github.SebastianMaciel/jsx-notation is less actively maintained — last commit was 185 days ago.

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Community

Discussion

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Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Frequently Asked Questions

Is io.github.SebastianMaciel/jsx-notation safe to use?

io.github.SebastianMaciel/jsx-notation has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under MIT.

How do I install io.github.SebastianMaciel/jsx-notation?

io.github.SebastianMaciel/jsx-notation supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can io.github.SebastianMaciel/jsx-notation do?

io.github.SebastianMaciel/jsx-notation provides 4 tools: read_jsxn, encode_jsxn, decode_jsxn, write_jsxn. See the full tools list on the server page for descriptions and parameters.

What AI clients work with io.github.SebastianMaciel/jsx-notation?

io.github.SebastianMaciel/jsx-notation is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.

Is io.github.SebastianMaciel/jsx-notation actively maintained?

io.github.SebastianMaciel/jsx-notation is less actively maintained — last commit was 185 days ago.