Polydev

Query GPT-5, Claude, Gemini, and Grok simultaneously through one MCP server

Conversational AI
No ratings
UpdatedOct 10, 2026

InstallRepository Website

Install Polydev

Pick your client, then add it in one click or paste the config.

STDIONode.js

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

claude_desktop_config.json

{
  "mcpServers": {
    "polydev": {
      "command": "npx",
      "args": [
        "-y",
        "polydev-ai@latest"
      ]
    }
  }
}

Settings → Developer → Edit Config, merge this into mcpServers, then fully quit and reopen Claude Desktop.

We couldn’t confirm it starts correctly

The install command didn't complete successfully in our automated test.

npx -y polydev-ai@latest

::internal::AllocationType, v8::internal::AllocationOrigin, v8::internal::AllocationAlignment) [npm install polydev-ai@latest] 11: 0x109ce26 v8::internal::Factory::NewFillerObject(int, v8::internal::AllocationAlignment, v8::internal::AllocationType, v8::internal::AllocationOrigin) [npm install polydev-ai@latest] 12: 0x14f7c56 v8::internal::Runtime_AllocateInYoungGeneration(int, unsigned long*, v8::internal::Isolate*) [npm install polydev-ai@latest] 13: 0x1931ef6 [npm install polydev-ai@latest]

This is an experimental automated check and can have false negatives — missing environment variables, a slow cold install, etc. It doesn’t necessarily mean something’s wrong. Last checked 6d ago.

Overview

Node.js

Security & health

What it can reach and how reliably it runs — from our own checks, not the maintainer’s claims.

ActiveLast checked 3d ago

Recent health check succeeded.

8/8 checks healthy over the last 50d

Supply-chain signal

No high-severity advisories surfaced by our automated scan.

Critical 0High 0Medium 0Low 0

Scanned 11d ago via OSV.dev · polydev-ai@latest (npm)

Adoption & maintenance

Factual signals from GitHub, npm, and our automated checks — not a rating.

npm downloads975Package downloads in the last 30 days.

Last commit8mo agoMost recent push to the default branch.

Install checkInconclusiveInstall command did not finish in our automated test.

Directory activity5 viewsConfig copies, upvotes, and views on AllMCPs.

From the project README

Polydev

Multi-model AI perspectives for your coding agents
Query GPT-5, Claude, Gemini, and Grok simultaneously through one MCP server

🚀 One-Command Install

Claude Code

Terminal

claude mcp add polydev -- npx -y polydev-ai@latest

Cursor / Windsurf / Cline

Terminal

npx polydev-ai@latest

OpenAI Codex CLI

Terminal

npx polydev-ai@latest

Get your token at polydev.ai/dashboard/mcp-tokens

Why Polydev?

Stop copy-pasting between ChatGPT, Claude, and Gemini. Get all their perspectives in your IDE with one request.

Metric	Result
SWE-bench Verified	74.6% Resolve@2
Cost vs Claude Opus	62% lower
Response time	10-40 seconds

"Different models have different blind spots. Combining their perspectives eliminates yours."

How It Works

Code

Your Agent → Polydev MCP → [GPT-5, Claude, Gemini, Grok] → Synthesized Answer

When your AI agent gets stuck, Polydev consults multiple frontier models simultaneously and returns their combined perspectives. One request, four expert opinions.

Quick Start

Option 1: Use Hosted Service (Recommended)

Get started instantly at polydev.ai

Step 1: Install the MCP server

Terminal

npx polydev-ai@latest

Step 2: Set your token (get it from polydev.ai/dashboard/mcp-tokens)

server.ts

export POLYDEV_USER_TOKEN="pd_your_token_here"

Option 2: Self-Host with Your Own API Keys

Step 1: Clone and install

git clone https://github.com/polydev-ai/polydev.git

cd polydev && npm install

Step 2: Configure environment

cp .env.example .env.local

Step 3: Add your API keys to .env.local and run

Terminal

npm run dev

IDE Configuration

Claude Code

One command:

Terminal

claude mcp add polydev -- npx -y polydev-ai@latest

Or add to ~/.claude.json:

config.json

{
  "mcpServers": {
    "polydev": {
      "command": "npx",
      "args": ["-y", "polydev-ai@latest"],
      "env": {
        "POLYDEV_USER_TOKEN": "pd_your_token_here"
      }
    }
  }
}

Cursor / Windsurf / Cline

Add to your MCP config (usually ~/.cursor/mcp.json or similar):

config.json

{
  "mcpServers": {
    "polydev": {
      "command": "npx",
      "args": ["-y", "polydev-ai@latest"],
      "env": {
        "POLYDEV_USER_TOKEN": "pd_your_token_here"
      }
    }
  }
}

OpenAI Codex CLI

Add to ~/.codex/config.toml:

toml

[mcp_servers.polydev]
command = "npx"
args = ["-y", "polydev-ai@latest"]

[mcp_servers.polydev.env]
POLYDEV_USER_TOKEN = "pd_your_token_here"

[mcp_servers.polydev.timeouts]
tool_timeout = 180
session_timeout = 600

Usage

Once connected, your agent can call:

config.json

{
  "tool": "get_perspectives",
  "arguments": {
    "prompt": "How should I refactor this authentication flow?"
  }
}

Or just mention "polydev" or "perspectives" in your prompt:

Code

"Use polydev to debug this infinite loop"
"Get perspectives on: Should I use Redis or PostgreSQL for caching?"

Use Your Existing CLI Subscriptions

Already paying for ChatGPT Plus, Claude Pro, or Gemini Advanced? Use those subscriptions directly through your CLI tools.

Subscription	CLI Tool	Setup
Claude Pro ($20/mo)	Claude Code	`claude login`
ChatGPT Plus ($20/mo)	Codex CLI	`codex login`
Gemini Advanced ($20/mo)	Gemini CLI	`gemini login`

Polydev can route requests through your authenticated CLI sessions — your subscription quota is used, no extra API costs.

Self-Hosting

Requirements

Node.js 18+
PostgreSQL (or Supabase)
API keys for the models you want to use

Environment Variables

Create a .env.local file:

# Database
NEXT_PUBLIC_SUPABASE_URL=your_supabase_url
NEXT_PUBLIC_SUPABASE_ANON_KEY=your_anon_key
SUPABASE_SERVICE_ROLE_KEY=your_service_role_key

# AI Providers (add the ones you want)
OPENAI_API_KEY=sk-...
ANTHROPIC_API_KEY=sk-ant-...
GOOGLE_API_KEY=...
XAI_API_KEY=...

Database Setup

cd supabase && supabase db push

Run

Terminal

npm run dev

Research

Our approach achieves 74.6% on SWE-bench Verified (Resolve@2), matching Claude Opus at 62% lower cost.

Approach	Resolution Rate	Cost/Instance
Claude Haiku (baseline)	64.6%	$0.18
+ Polydev consultation	66.6%	$0.24
Resolve@2 (best of both)	74.6%	$0.37
Claude Opus (reference)	74.4%	$0.97

Read the full paper →

Project Structure

Code

polydev/
├── src/                    # Next.js application
│   ├── app/               # App router pages & API routes
│   ├── components/        # React components
│   ├── hooks/             # Custom React hooks
│   └── lib/               # Utilities and services
├── mcp/                   # MCP server implementation
├── supabase/              # Database migrations
├── docs/                  # Documentation
└── public/                # Static assets

Contributing

Contributions are welcome! Please read our contributing guidelines before submitting PRs.

# Fork the repository, then:
git clone https://github.com/YOUR_USERNAME/polydev.git

cd polydev && npm install

git checkout -b feature/amazing-feature

git commit -m 'Add amazing feature'

git push origin feature/amazing-feature

Then open a Pull Request.

License

MIT License - see LICENSE for details.

Built by Polydev AI
_{Multi-model consultation for better code}

Read the full README View source on GitHub

Reviews

No reviews yet — be the first to share how it worked for you.

Frequently Asked Questions about Polydev

polydev is an MCP server that lets coding agents query GPT-5, Claude, Gemini, and Grok simultaneously and receive synthesized perspectives through one request. It can be installed with npx using the polydev-ai package, configured with a Polydev user token, or self-hosted with your own API keys.

Install polydev by running `npx polydev-ai@latest`. Claude Code users can run `claude mcp add polydev -- npx -y polydev-ai@latest`; Cursor, Windsurf, Cline, and OpenAI Codex CLI users can add the npx command to their MCP configuration.

Get a Polydev user token from https://polydev.ai/dashboard/mcp-tokens. Set it in the `POLYDEV_USER_TOKEN` environment variable, such as `export POLYDEV_USER_TOKEN="pd_your_token_here"`, or include it in your MCP server configuration.

Use polydev by calling the `get_perspectives` tool with a prompt, for example `{"prompt":"How should I refactor this authentication flow?"}`. You can also mention “polydev” or “perspectives” in your prompt to request multiple model perspectives.

Yes, you can self-host polydev with your own API keys. Clone the repository, run `npm install`, copy `.env.example` to `.env.local`, add your API keys, and start the server with `npm run dev`.

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At a glance

Category: Conversational AI
Transport: STDIO
Runtime: Node.js
Last updated: Oct 10, 2026

GitHub stars0

Last commit8mo ago

npm / month975

39Quality signal: Fair · 39/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20

Documentation & tools15/30

Adoption & activity3/15

Community engagement1/10

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Install Polydev

Supply-chain signal

Adoption & maintenance

From the project README

Polydev

🚀 One-Command Install

Claude Code

Cursor / Windsurf / Cline

OpenAI Codex CLI

Why Polydev?

How It Works

Quick Start

Option 1: Use Hosted Service (Recommended)

Option 2: Self-Host with Your Own API Keys

IDE Configuration

Claude Code

Cursor / Windsurf / Cline

OpenAI Codex CLI

Usage

Use Your Existing CLI Subscriptions

Self-Hosting

Requirements

Environment Variables

Database Setup

Run

Research

Project Structure

Contributing

Links

License

Frequently Asked Questions about Polydev

What is the polydev MCP server?

How do I install polydev with npx?

Where do I get a polydev MCP token?

How do I use polydev after connecting it to my coding agent?

Can I self-host the polydev MCP server with my own API keys?

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