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Chat assistants · OpenAI
Connect ChatGPT (developer mode) to HighLevel (GHL): Setup, Business Dashboard & App Integrations
The complete guide to connecting ChatGPT (developer mode) to your HighLevel account, running your day from a business dashboard, and tying HighLevel to the rest of your apps.
Short answer: ChatGPT adds custom MCP servers as apps in Developer mode. Because HighLevel's MCP server uses header authentication and ChatGPT expects a URL with OAuth, you connect it through a header bridge or a catalog plugin like Composio.
- Maker
- OpenAI
- Launched
- Developer mode custom apps
- Access & price
- Paid ChatGPT plans with Developer mode
- Where it lives
- chatgpt.com (add on web first)
- Always on
- No
- Approval controls
- Review each write action before confirming
- Scheduling
- No
- Runs on
- OpenAI cloud
Business app reach: ChatGPT apps + custom MCP apps.
How ChatGPT (developer mode) reaches your HighLevel account
BridgeCatalog
Header bridge. Uses a small proxy you host that adds HighLevel's auth headers, because the app only accepts a URL.
Connector catalog. Reaches HighLevel through a Zapier or Composio connector you sign into with OAuth. No HighLevel token is pasted anywhere.
Set up ChatGPT (developer mode) with HighLevel in 3 steps
- Turn on Developer mode (Settings → Security, or Apps & Connectors → Advanced).
- Create an MCP app and paste your bridge URL.
- Enable the app from the + menu in a new chat.
Header bridge (Cloudflare Worker)
// Cloudflare Worker that adds HighLevel's headers for URL-only connectors
// wrangler secret put GHL_PIT / GHL_LOC / BRIDGE_KEY
export default {
async fetch(req, env) {
const url = new URL(req.url);
if (url.searchParams.get("k") !== env.BRIDGE_KEY)
return new Response("Forbidden", { status: 403 });
const h = new Headers(req.headers);
h.set("Authorization", "Bearer " + env.GHL_PIT);
h.set("locationId", env.GHL_LOC);
h.delete("host");
return fetch("https://services.leadconnectorhq.com/mcp/", { method: req.method, headers: h, body: req.body });
}
};
// Connector URL: https://ghl-bridge.<you>.workers.dev/?k=<BRIDGE_KEY>
Create the token in the sub-account under Settings → Private Integrations. Keep it in your environment, a secure prompt or the tool's credential store; never paste it into a shared file.
Best HighLevel jobs for ChatGPT (developer mode)
- Quick contact lookups and updates
- Summarizing conversations before a call
- Drafting campaign copy from CRM segments
Choose ChatGPT (developer mode) if your team already lives in ChatGPT and wants CRM actions in chat.
Use ChatGPT (developer mode) as your HighLevel business dashboard
Use ChatGPT for on-demand analysis of HighLevel data alongside other connected apps; schedule recurring reports with ChatGPT Dots instead.
Pair it with Founder OS, the HighLevel snapshot that adds the pipeline, workflows and a dashboard inside your GHL menu. Try the live demo.
Connect HighLevel to your other business apps with ChatGPT (developer mode)
ChatGPT (developer mode) links HighLevel with the rest of your stack through chatGPT apps + custom MCP apps.
| App category | How ChatGPT (developer mode) reaches it |
|---|---|
| Apps directory | OpenAI-built and partner apps |
| Custom tools | Developer-mode MCP apps for your own servers |
| Catalog bridges | Through Zapier or Composio |
| HighLevel | Header bridge or Connector catalog: Uses a small proxy you host that adds HighLevel's auth headers, because the app only accepts a URL. |
Permissions to grant
Limits and watch-outs
- Local MCP servers aren't supported.
- OpenAI has moved the Developer mode toggle several times in 2026.
- Paid plans only.
ChatGPT (developer mode) vs alternatives for HighLevel
| Agent | Always on | Route | GHL MCP tools | Approvals | Setup* |
|---|---|---|---|---|---|
| ChatGPT (developer mode) | No | BridgeCatalog | Via bridge | Review each write action before confirming | Medium |
| ChatGPT Dots | Yes | CatalogBrowser | Via plugin | Per-action rules: act, act if pre-approved, ask, or hand off | Easy |
| OpenAI API | If you schedule it | MCP | Yes (direct) | require_approval per tool call | Advanced |
| Claude (web & desktop) | No | BridgeMCP | Yes (Desktop direct, web via bridge) | You confirm tool use in chat | Medium |
*Setup effort is our editorial judgment. See the full comparison chart.
Frequently asked questions
Why does ChatGPT need a bridge for HighLevel?
ChatGPT custom apps connect by URL and usually OAuth. HighLevel's MCP server expects a bearer token header, so a tiny proxy adds it.
Is ChatGPT the same as ChatGPT Dots?
No. Dots are always-on agents inside ChatGPT that run scheduled work; developer-mode apps are for chat sessions.
Can ChatGPT (developer mode) connect HighLevel to Gmail, Slack, QuickBooks and my other apps?
Yes, within its reach: ChatGPT apps + custom MCP apps. Apps directory: OpenAI-built and partner apps. Custom tools: Developer-mode MCP apps for your own servers. Catalog bridges: Through Zapier or Composio.
Can ChatGPT (developer mode) power a HighLevel business dashboard?
Use ChatGPT for on-demand analysis of HighLevel data alongside other connected apps; schedule recurring reports with ChatGPT Dots instead.
Sources
- ChatGPT custom connectors (Skills Playground)
- How to Setup and Use the HighLevel MCP Server
- HighLevel MCP developer docs
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