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Twelve Data

by twelvedataversion 2.0.1i★ –iRuns in the cloud
Registry namecom.twelvedata/mcp

Install

Overview

Description from the maker (original English)

Real-time and historical market data: stocks, forex, crypto, ETFs, fundamentals and 60+ indicators.

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.

Install

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

Before you install

  • Basic checks: 3 of 3 passed
  • Runs on the maker’s server: what you ask it goes through their server.
  • The registry lists no key to fill in.

You need

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.twelvedata.com/mcp

Run this in your terminal

claude mcp add --transport http twelvedata https://mcp.twelvedata.com/mcp

Open in Cursor

Or copy the settings yourself

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

{
  "mcpServers": {
    "twelvedata": {
      "url": "https://mcp.twelvedata.com/mcp"
    }
  }
}

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": {
    "twelvedata": {
      "type": "http",
      "url": "https://mcp.twelvedata.com/mcp"
    }
  }
}

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.twelvedata.com/mcp

Menu names can differ slightly by plan and over time.

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

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

What it can do

The server asks you to sign in before it lists its tools.

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 7, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified against the domain twelvedata.com (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

  • ✓ Pass

    Endpoint responds

    Responded in 109 ms (HTTP 401)

  • ✓ Pass

    Sign-in with OAuth

    Declares OAuth sign-in, so your AI app can take you to log in

  • … 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 Otheri

  • More stars than 0% of the other 32709 servers in this category
  • Published to the registry more recently than 92% of the other 32709 servers in this category
  • Basic checks equal to or better than 100% of the other 32709 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 Twelve Data safe?

It passed 3 of 3 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?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.

Is it still maintained?

The GitHub repo last changed –, and the latest version (2.0.1) reached the registry 3 days 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: Spec Driven Development, Remote Desktop Commander, SwarmMemo

Alternatives

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

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

Spec Driven Development

by formulahendry

MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.

Runs on your computer★ 440MITUpdated 14 months ago
Install

Remote Desktop Commander

by desktop-commander

Remote Desktop Commander: use files, terminal and processes on your own computers from any AI app.

Runs in the cloud★ 211Updated 2 days ago
Install

SwarmMemo

by Hugo0

Talk with agent swarms: rooms, private messages and paid tasks for AI agents

Runs in the cloudUpdated today
Install

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.

Twelve Data MCP Server

Connect Claude, ChatGPT, and other AI assistants to the Twelve Data financial API — real-time and historical prices, 60+ technical indicators, fundamentals, earnings, dividends, ETFs, company news, market movers, and more.

You need a Twelve Data account. Sign up at twelvedata.com.

There are two ways to use it. Most people should use the cloud server (Option 1) — there is nothing to install.

Option 1 — Use our cloud server (recommended)

Connect your AI assistant to our hosted server:

https://mcp.twelvedata.com/mcp

That's it. No installation, no API key to copy and paste. When you connect, a browser window opens and you log in with your Twelve Data account — your personal API key is linked automatically and stays tied to your account.

How to add it

Claude (Desktop / Web) and ChatGPT support custom connectors / MCP servers:

  1. Open your assistant's Connectors (or Integrations / MCP servers) settings.
  2. Add a new connector with the URL https://mcp.twelvedata.com/mcp.
  3. When prompted, click Connect / Log in — a Twelve Data login page opens in your browser.
  4. Authorize, and you're done. Ask things like *"What's the RSI for AAPL?"* or *"Show me TSLA's latest earnings."*

The exact menu names differ between apps and versions, but the flow is always the same: add the URL, then log in via the browser popup.

The MCP host does not issue tokens. The connector URL is https://mcp.twelvedata.com/mcp. The client must follow that URL's protected-resource metadata to the authorization server named there. Do not point a connector at the host root (it answers 404), or at this host's /register or /.well-known/oauth-authorization-server.

Perplexity (custom remote connector)

Perplexity Pro, Max, and Enterprise users can add the hosted server as a custom remote connector. That is a per-account setup, not a listing in Perplexity's public curated directory.

  1. In Perplexity, open Account settings → Connectors → + Custom connector and select Remote. On Enterprise, an admin may need to allow custom connectors first.
  2. Set Name to Twelve Data and MCP Server URL to https://mcp.twelvedata.com/mcp.
  3. Choose OAuth for authentication and Streamable HTTP for transport. Leave the Client ID and Client Secret blank so Perplexity can use dynamic client registration on the authorization server named in the server's protected-resource metadata.
  4. Accept Perplexity's custom connector acknowledgement and click Add. Then click the Twelve Data connector card to start authentication, sign in to your Twelve Data account, and authorize access.
  5. Once the connector is enabled, try these prompts:
  • "Use Twelve Data to find the AAPL symbol."
  • "Use Twelve Data to get the latest quote for AAPL, including price and volume."
  • "Use Twelve Data to show the last five daily closing prices for AAPL."
  • "Use Twelve Data to show AAPL RSI."

Each person signs in with their own Twelve Data account. If an Enterprise admin shares the connector, require individual authentication for each member. Do not paste a Twelve Data API key into the connector's API Key authentication field.

If the OAuth window is blocked, login fails, or tools stop after idle time, open the Twelve Data connector, disable it, enable it again, and sign in. Reconnect this way rather than switching the connector to API Key auth. Confirm the URL is exactly https://mcp.twelvedata.com/mcp with no trailing slash, and that the Twelve Data plan includes the requested data. See Perplexity's custom remote connector guide for the current settings screens.

Codex (CLI, desktop, and IDE)

Add the hosted MCP server to Codex without installing this repository or copying an API key:

codex mcp add twelvedata --url https://mcp.twelvedata.com/mcp

codex mcp list

The add command starts OAuth: complete the Twelve Data sign-in in your browser. If you need to authorize again later, run codex mcp login twelvedata. In Codex, use /mcp to check the connection, then ask: *"Use Twelve Data to get the latest quote for AAPL."* and *"Use Twelve Data to show AAPL RSI."* To disconnect, run codex mcp remove twelvedata.

The public plugin repository is https://github.com/MazeBraker/twelvedata-skills. It installs the skills and the same hosted MCP:

codex plugin marketplace add https://github.com/MazeBraker/twelvedata-skills

codex plugin add twelvedata@twelvedata-skills

Option 2 — Run it yourself with an API key

Prefer to run the server on your own machine? You only need your Twelve Data API key — no OAuth setup. Get it at twelvedata.com → your dashboard → API Keys.

1. Install

Requires Python 3.10+ (3.12 recommended; on macOS brew install python@3.12 or make python-install).

make install
2. Add your API key

Create a .env file in the project root with your key, readable only by you:

echo 'TWELVE_DATA_API_KEY=your_api_key_here' > .env

chmod 600 .env

The server reads the key from .env and every request uses it. No login step needed.

3. Connect over stdio

Claude Desktop — add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{

"mcpServers": { "twelvedata": { "command": "/path/to/mcp/.venv/bin/python", "args": ["/path/to/mcp/src/server.py"] } } }

Use the .venv/bin/python path (not the system Python — macOS ships 3.9, and this server needs 3.10+). Restart Claude Desktop after editing the config.

Claude Code:

claude mcp add twelvedata -- /path/to/mcp/.venv/bin/python /path/to/mcp/src/server.py
4. Connect over HTTP
make run           # serves http://localhost:8000/mcp
claude mcp add --transport http twelvedata http://localhost:8000/mcp
5. Run it in Docker
docker build -t twelvedata-mcp .

docker run --rm --env-file .env -p 127.0.0.1:8000:8000 twelvedata-mcp

--env-file keeps the key out of your shell history. Connect to http://localhost:8000/mcp as in step 4. OAuth login is not supported in Docker.

6. Security
  • make run and Docker serve /mcp with no authentication, on 0.0.0.0 by default.
  • Every call is served under your credential.
  • Anyone who reaches the port can call auth_status and oauth_configure. That includes a web page you open, through DNS rebinding, because the default bind checks neither the Host nor the Origin header.
  • MCP_HOST=127.0.0.1 make run keeps the server local and turns on the MCP SDK's Host and Origin check.
  • With MCP_HOST=127.0.0.1, ngrok works only when started with --host-header=rewrite.
7. Troubleshooting

Call auth_status from your client first. It shows whether an API key is configured, the stored token, the detected host and the redirect URI — usually enough to see what is missing.

What you can ask

  • Prices — stocks, ETFs, forex, crypto, commodities (real-time & historical)
  • Technical indicators — RSI, MACD, SMA, BBANDS, ATR, and 60+ more
  • Fundamentals — financial statements, earnings, dividends, splits, company profiles, market cap, key stats, IPO calendar
  • Funds — ETF & mutual fund profiles, performance, holdings, risk
  • News — company news & press releases
  • Market intelligence — movers, exchange rates, analyst ratings, price targets
  • Regulatory — SEC/EDGAR filings, insider transactions, institutional holdings

Symbol formats: stocks AAPL, crypto BTC/USD, forex EUR/USD.

Partners

Running your own public instance or setting up a dedicated OAuth login? That's a partner arrangement — reach out to us at twelvedata.com and we'll provide the setup guide and OAuth credentials.

Ask PopNx