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PopNx MCPMCP servers for people who use AI · explained in plain words

Vynix

by UseVynixversion 0.1.4i★ –iComputer or cloud
Registry namein.vynix/vynix-mcp

Install

Overview

Description from the maker (original English)

Give AI coding agents access to your Vynix visual feedback, bug reports, and AI diagnosis.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Computer or cloud
  • Transport: stdio, Streamable HTTP
  • Category: Developer tools
  • You need to fill in: VYNIX_API_TOKEN

Install

Pick the AI app you use, then copy the settings.

Before you install

  • Basic checks: 1 of 1 passed
  • Runs on the maker’s server: what you ask it goes through their server.
  • You fill in yourself: VYNIX_API_URL, VYNIX_API_TOKEN

Values marked secret are keys to your account. Never share them or paste them into a chat.

You need

  • Runs in the cloudNothing to install; it connects over the internet
  • npmNode.js installed (for the npx command)

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Works in Claude on the web, desktop and mobile:

  1. Open Settings → Connectors
  2. Press Add custom connector
  3. Paste the address below and press Add
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Add2https://…3
https://mcp.vynix.in/mcp

Or run it on your computer

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "vynix": {
      "command": "npx",
      "args": [
        "-y",
        "@usevynix/mcp-server"
      ],
      "env": {
        "VYNIX_API_URL": "your-value",
        "VYNIX_API_TOKEN": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add --transport http vynix https://mcp.vynix.in/mcp

Or run it on your computer

claude mcp add vynix --env VYNIX_API_URL=your-value --env VYNIX_API_TOKEN=your-value -- npx -y @usevynix/mcp-server

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "vynix": {
      "url": "https://mcp.vynix.in/mcp"
    }
  }
}

Or run it on your computer

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "vynix": {
      "command": "npx",
      "args": [
        "-y",
        "@usevynix/mcp-server"
      ],
      "env": {
        "VYNIX_API_URL": "your-value",
        "VYNIX_API_TOKEN": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "vynix": {
      "type": "http",
      "url": "https://mcp.vynix.in/mcp"
    }
  }
}

Or run it on your computer

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "vynix": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@usevynix/mcp-server"
      ],
      "env": {
        "VYNIX_API_URL": "your-value",
        "VYNIX_API_TOKEN": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

ChatGPT connects only to servers on the internet:

  1. Open ChatGPT on the web → Settings → Connectors (Apps)
  2. Press Create or Add (some plans need Developer mode under Advanced first)
  3. Paste the address below, give it a name and save
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Create2https://…3
https://mcp.vynix.in/mcp

Menu names can differ slightly by plan and over time.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

  • VYNIX_API_URL env
    Vynix API base URL. Defaults to https://www.vynix.in.
  • VYNIX_API_TOKEN secret env
    Personal access token generated at https://www.vynix.in/mcp.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

We have not read this server’s tool list yet; we check endpoints in rotation.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 10, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified against the domain vynix.in (the registry checks domain ownership)

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • … Not checked yet

    Endpoint responds

    Not checked yet; we check endpoints in rotation

  • … Not checked yet

    Sign-in with OAuth

    Not checked yet; we check endpoints in rotation

  • … Not checked yet

    No hidden instructions in tool descriptions

    Not checked yet; we read the tool list when we check the endpoint

Compared with others in Developer toolsi

  • More stars than 0% of the other 5608 servers in this category
  • Published to the registry more recently than 25% of the other 5608 servers in this category
  • Basic checks equal to or better than 100% of the other 5608 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Vynix safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

You need to fill in: VYNIX_API_TOKEN

Does it run on my computer or in the cloud?

Either way works: install it on your computer or connect to the cloud version.

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.1.4) reached the registry 3 months ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.

What can I use instead?

In the same category: GitHub, Desktop Commander, Cloudflare MCP

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

GitHub

GitHub’s official server lets AI read and manage code, issues and pull requests in your account. Use GitHub’s hosted version or run it locally with Docker.

by githubWidely used★ 34.2KUpdated 6 days ago

Computer or cloud

Desktop Commander

MCP server for terminal commands, file operations, and process management

by wonderwhy-erWidely used↓ 709.6K/wk★ 10.2KUpdated 18 days ago

Runs on your computer

Cloudflare MCP

Cloudflare MCP servers

by cloudflareWidely used★ 4.4KUpdated 14 months ago

Runs in the cloud✓ mcp.cloudflare.com

README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

Vynix MCP Server

Model Context Protocol server for Vynix. It gives coding agents direct access to visual feedback, bug reports, screenshots, diagnostics, comments, and issue workflows so agents can reason from real context instead of guessing.

Why Vynix

  • Feedback with evidence: page metadata, target element, screenshot, console/network context.
  • End-to-end execution: inspect feedback, diagnose, generate coding prompts, create GitHub issues, update status, comment.
  • Agent-safe hints: read-only/idempotent/open-world annotations for better approval behavior in MCP clients.
  • Registry-ready metadata for modern MCP directories.

Architecture

flowchart LR

A[MCP Client\nClaude/Cursor/Copilot/VS Code] -->|stdio or streamable-http| B[Vynix MCP Server] B --> C[Vynix API] B --> D[GitHub API via Vynix backend] C --> E[Projects] C --> F[Annotations] C --> G[Screenshots and diagnostics]

Features

  • 17 production tools for read and write workflows.
  • Resource catalog for server metadata, tool/prompt/skill references, and contextual summaries.
  • Workflow prompts for QA, release readiness, PM briefings, and engineering planning.
  • Dual transport support: stdio and Streamable HTTP.
  • Auth via API token or email/password refresh flow.

Installation

Node.js 18+ is required.

NPX (recommended)
{

"mcpServers": { "vynix": { "command": "npx", "args": ["-y", "@usevynix/mcp-server"], "env": { "VYNIX_API_URL": "https://www.vynix.in", "VYNIX_API_TOKEN": "PASTE_YOUR_TOKEN_HERE" } } } }

npm global install
npm install -g @usevynix/mcp-server

vynix-mcp

Docker
docker run --rm -i \

-e VYNIX_API_URL=https://www.vynix.in \ -e VYNIX_API_TOKEN=PASTE_YOUR_TOKEN_HERE \ ghcr.io/usevynix/vynix-mcp:latest

Local development
git clone https://github.com/UseVynix/vynix-mcp.git

cd vynix-mcp npm install npm run build npm run check node dist/index.js

Client Configuration

Claude Desktop

Use claude_desktop_config.json:

{

"mcpServers": { "vynix": { "command": "npx", "args": ["-y", "@usevynix/mcp-server"], "env": { "VYNIX_API_TOKEN": "PASTE_YOUR_TOKEN_HERE" } } } }

Diagnostics are written to stderr; stdout is reserved for the protocol stream.

Cursor

Use ~/.cursor/mcp.json.

{

"mcpServers": { "vynix": { "command": "npx", "args": ["-y", "@usevynix/mcp-server"], "env": { "VYNIX_API_TOKEN": "PASTE_YOUR_TOKEN_HERE" } } } }

VS Code

Use .vscode/mcp.json with top-level servers:

{

"servers": { "vynix": { "command": "npx", "args": ["-y", "@usevynix/mcp-server"], "env": { "VYNIX_API_TOKEN": "PASTE_YOUR_TOKEN_HERE" } } } }

Windsurf

Use your Windsurf MCP config file with this server block:

{

"mcpServers": { "vynix": { "command": "npx", "args": ["-y", "@usevynix/mcp-server"], "env": { "VYNIX_API_TOKEN": "PASTE_YOUR_TOKEN_HERE" } } } }

ChatGPT connectors

For hosted mode, use the Streamable HTTP endpoint:

  • Base URL: https://mcp.vynix.in/mcp
  • OAuth discovery: /.well-known/oauth-authorization-server
Generic mcp.json

See examples/configs/mcp.json.

Authentication

Environment variables:

  • VYNIX_API_URL (optional, default: https://www.vynix.in)
  • VYNIX_API_TOKEN (recommended)
  • VYNIX_API_EMAIL and VYNIX_API_PASSWORD (fallback login mode)
  • VYNIX_MCP_MODE (stdio or http)
  • VYNIX_MCP_HOST, VYNIX_MCP_PORT, VYNIX_MCP_PATH (HTTP mode)

Generate a token from: https://www.vynix.in/mcp

Tools, Prompts, and Resources

  • Tool reference: docs/tools.md
  • Prompt reference: docs/prompts.md
  • Resource reference: docs/resources.md
  • Skill/workflow reference: docs/skills.md
  • Deployment guide: docs/deployment.md
  • Agent discovery guide: docs/agent-discovery.md
  • LLM index file: llms.txt
  • Directory listing tracker: docs/listings-status.md

Examples

  • Conversation workflows: examples/workflows
  • Prompt library (100+ prompts): examples/prompts.md

Troubleshooting

  • Not configured error: set VYNIX_API_TOKEN or both VYNIX_API_EMAIL and VYNIX_API_PASSWORD.
  • 401 errors: regenerate token and verify API URL.
  • No tools listed: confirm the MCP config key (mcpServers vs servers) for your client.
  • Hosted mode not reachable: verify VYNIX_MCP_MODE=http and check /health.

FAQ

Does this send data to third-party AI providers?

Only diagnose_annotation can invoke external AI providers through your Vynix workspace configuration.

Is this read-only?

No. It includes read tools and write tools. MCP annotations identify mutating/open-world calls so clients can request confirmation.

Can I self-host?

Yes. Run in stdio mode locally or HTTP mode behind your own infrastructure.

Contributing

See CONTRIBUTING.md. For local validation run:

npm run check

Security

  • Never commit API tokens.
  • Prefer short-lived tokens where possible.
  • See SECURITY.md (create one if your org requires a disclosure policy).

License

MIT

Changelog

CHANGELOG.md

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