Harmonic (new) for ChatGPT: Plugin, Example Prompts & Reviews

Example prompts

3 from the official listing

Harmonic (new) Research Harvey's founders, funding history, key investors, and my team’s strongest connections to the company
Harmonic (new) Show me the NYC Fintech companies that recently raised a round of funding
Harmonic (new) Who in our network has a path into Peec AI?

Mention Harmonic (new) by name in your message, as the official examples do.

How to use Harmonic (new) in ChatGPT

Open Harmonic (new) in ChatGPT’s plugin directory

Open Harmonic (new)’s page on chatgpt.com. Sign in to ChatGPT if you are not already.
Install it from that page

Choose Install plugin there. It adds the Harmonic (new) app to ChatGPT.
Mention Harmonic (new) in a chat

Start a new chat and name it in your request, for example: “Harmonic (new), research Harvey's founders, funding history, key investors, and my team’s strongest…”

Availability can depend on your ChatGPT plan, your region and, on work accounts, your admin’s settings.

What Harmonic (new) does

Search, enrich, and research startups, companies and investors using Harmonic's proprietary data on millions of companies and the people behind them. Get detailed company profiles with funding, location, founders, and network connections. Use natural language to find companies matching specific criteria. Create and manage lists of companies and people. Access your team's network mapping and saved searches. Discover startups earlier, research them faster, and act with confidence—an AI-powered research agent built into your workflow.

From the official listing, written by Harmonic AI, Inc.

What Harmonic (new) can access

The official listing names no Read or Write capability for Harmonic (new). Check what it asks for when you add it, and connect only the accounts you want it to use.

Where it connects: ChatGPT reaches Harmonic (new) through a remote MCP server on mcp.api.harmonic.ai, named in the official listing.

Before you connect it

OpenAI’s plugin pages note that a connected plugin may receive relevant parts of your chats to answer a request, and that Harmonic AI, Inc’s own terms and privacy policy then cover that data. You can disconnect a plugin later in ChatGPT’s settings. Read the privacy policy (harmonic.ai) and terms (harmonic.ai).

Harmonic (new) reviews

No reviews yet. Used Harmonic (new) in ChatGPT? Tell others how it went.

Honest reviews only. We never pay for or edit ratings.

Harmonic (new) in ChatGPT: questions and answers

What does Harmonic (new) do in ChatGPT?

What can I ask Harmonic (new) in ChatGPT?

The official listing suggests prompts like: “Research Harvey's founders, funding history, key investors, and my team’s strongest connections to the company”; “Show me the NYC Fintech companies that recently raised a round of funding”; “Who in our network has a path into Peec AI?”.

How do I use Harmonic (new) in ChatGPT?

Open Harmonic (new)’s page in ChatGPT’s plugin directory on chatgpt.com and install it there. Then mention Harmonic (new) in a chat, for example: “Research Harvey's founders, funding history, key investors, and my team’s strongest connections to the company”.

Who makes the Harmonic (new) plugin?

Harmonic AI, Inc, currently at version 1.0.1. Best GPT Apps is an independent directory and is not affiliated with OpenAI or Harmonic AI, Inc.

Is Harmonic (new) one of the old ChatGPT plugins from 2023?

No. The 2023 ChatGPT plugins were a separate beta that OpenAI has since retired. Today’s ChatGPT plugins are the apps directory under a new name: since July 2026 a plugin can bundle apps, skills and MCP servers.