Polygon.io MCP Server for ClineGive Cline instant access to 6 tools to Get Aggregates, Get Company, List Dividends, and more

Name: Polygon.io
Price: 29 USD
Availability: InStock
Rating: 5.0 (1 reviews)
Author: Vinkius

GDPR Free for Subscribers

Cline is an autonomous AI coding agent inside VS Code that plans, executes, and iterates on tasks. Wire Polygon.io through Vinkius and Cline gains direct access to every tool. from data retrieval to workflow automation. without leaving the terminal.

Ask AI about this MCP Server for Cline

Open in ChatGPT Open in Claude Open in Perplexity

The Polygon.io MCP Server for Cline is a standout in the Money Moves category — giving your AI agent 6 tools to work with, ready to go from day one.

Built for AI Agents by Vinkius

Vinkius delivers Streamable HTTP and SSE to any MCP client

Claude

ChatGPT

Cursor

Gemini

Windsurf

VS Code

JetBrains

Vercel

+ other MCP clients

Classic Setup·json

{
  "mcpServers": {
    "polygonio": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

RecommendedModern Approach — Zero Configuration

Vinkius Desktop App

The modern way to manage MCP Servers — no config files, no terminal commands. Install Polygon.io and 4,000+ MCP Servers from a single visual interface.

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Fully ManagedVinkius Servers

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High SecurityEnterprise-grade

IAMAccess control

EU AI ActCompliant

DLPData protection

V8 IsolateSandboxed

Ed25519Audit chain

<40msKill switch

Stream every event to Splunk, Datadog, or your own webhook in real-time

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure

About Polygon.io MCP Server

Connect your Polygon.io account to any AI agent to retrieve institutional-grade financial data through natural language. Monitor market trends, analyze historical performance, and inspect company fundamentals without leaving your chat interface.

Cline operates autonomously inside VS Code. it reads your codebase, plans a strategy, and executes multi-step tasks including Polygon.io tool calls without waiting for prompts between steps. Connect 6 tools through Vinkius and Cline can fetch data, generate code, and commit changes in a single autonomous run.

What you can do

Market Aggregates — Fetch OHLCV (Open, High, Low, Close, Volume) bars for any ticker over custom timeframes (minute, hour, day)
Real-Time & Historical Trades — Access tick-by-tick trade data to analyze precise market movements and execution prices
Company Fundamentals — Retrieve detailed metadata for stock tickers, including industry classifications and company descriptions
Dividend Tracking — List historical cash dividend distributions, frequencies, and ex-dividend dates for specific assets
Ticker Discovery — Query the full list of supported tickers and financial instruments available on the platform

The Polygon.io MCP Server exposes 6 tools through the Vinkius. Connect it to Cline in under two minutes — credentials fully managed, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

All 6 Polygon.io tools available for Cline

When Cline connects to Polygon.io through Vinkius, your AI agent gets direct access to every tool listed below — spanning stock-market, trading-data, financial-analysis, and more. Every call runs in a secure, isolated environment with full audit visibility. Beyond a simple connection, you get real-time monitoring of agent activity, enterprise governance, and optimized token usage.

get

Get aggregates on Polygon.io

Get aggregate bars for a stock

get

Get company on Polygon.io

Get company details for a ticker

list

List dividends on Polygon.io

List historical dividends

list

List quotes on Polygon.io

Get tick-by-tick quotes (NBBO)

list

List tickers on Polygon.io

io. Query all supported tickers

list

List trades on Polygon.io

Get tick-by-tick trades

Connect Polygon.io to Cline via MCP

Follow these steps to wire Polygon.io into Cline. The entire setup takes under two minutes — your credentials stay safe behind Vinkius.

Open Cline MCP Settings

Click the MCP Servers icon in the Cline sidebar panel

Add remote server

Click "Add MCP Server" and paste the configuration above

Enable the server

Toggle the server switch to ON

Start using Polygon.io

Ask Cline: "Using Polygon.io, help me...". 6 tools available

Why Use Cline with the Polygon.io MCP Server

Cline provides unique advantages when paired with Polygon.io through the Model Context Protocol.

Cline operates autonomously. it reads your codebase, plans a strategy, and executes multi-step tasks including MCP tool calls without step-by-step prompts

Runs inside VS Code, so you get MCP tool access alongside your existing extensions, terminal, and version control in a single window

Cline can create, edit, and delete files based on MCP tool responses, enabling end-to-end automation from data retrieval to code generation

Transparent execution: every tool call and file change is shown in Cline's activity log for full visibility and approval before committing

Polygon.io + Cline Use Cases

Practical scenarios where Cline combined with the Polygon.io MCP Server delivers measurable value.

Autonomous feature building: tell Cline to fetch data from Polygon.io and scaffold a complete module with types, handlers, and tests

Codebase refactoring: use Polygon.io tools to validate live data while Cline restructures your code to match updated schemas

Automated testing: Cline fetches real responses from Polygon.io and generates snapshot tests or mocks based on actual payloads

Incident response: query Polygon.io for real-time status and let Cline generate hotfix patches based on the findings

Example Prompts for Polygon.io in Cline

Ready-to-use prompts you can give your Cline agent to start working with Polygon.io immediately.

"Get company details and industry for ticker NVDA."

"Show me the historical dividends for MSFT."

"Get daily aggregate bars for TSLA from 2024-01-01 to 2024-01-10."

Troubleshooting Polygon.io MCP Server with Cline

Common issues when connecting Polygon.io to Cline through Vinkius, and how to resolve them.

Server shows error in sidebar

Click the server name to see logs. Verify the URL and token are correct.

Polygon.io + Cline FAQ

Common questions about integrating Polygon.io MCP Server with Cline.

How does Cline connect to MCP servers?

Cline reads MCP server configurations from its settings panel in VS Code. Add the server URL and Cline discovers all available tools on initialization.

Can Cline run MCP tools without approval?

By default, Cline asks for confirmation before executing tool calls. You can configure auto-approval rules for trusted servers in the settings.

Does Cline support multiple MCP servers at once?

Yes. Configure as many servers as needed. Cline can use tools from different servers within the same autonomous task execution.

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