# How to use the industry thread participant signal for research interviews?

Last updated 7 November 2026

Finding participants for research interviews is easier when you use HeyLead to watch for the industry thread participant signal. This signal shows you who is actively discussing topics relevant to your study.

## What the industry thread participant signal is

An industry thread participant is a person who joins a discussion in their field. These people have opinions and context. They share their thoughts in public. You can reach out to them for research interviews.

HeyLead is an AI agent for LinkedIn outreach: it finds the right people, writes to them in the voice of your own LinkedIn posts, follows up, and handles replies. It runs from Claude Code, Cursor, any MCP client or a web dashboard.

HeyLead watches 40+ signal types, scored, matched to your ICP and expiring. A strong signal starts outreach and the opener says why now. The message is for the participant.

## Why this signal matters for research interviews

Campaigns with the research interviews goal reach people to interview, survey or test with. The fit question HeyLead asks is: Is this audience who you need to hear from?

People in an industry thread are active. You can ask a follow-up to their point. There are 6 campaign goals: sell a product or service, find a job, hire people, find partners or investors, find a vendor, research interviews.

Hire people, find partners or investors and research interviews work with a custom brief. Campaigns with this goal work with a custom brief. You say what you ask of the person. This helps you find the right people for your study.

## What to write or do

You type a 1 sentence brief in Claude, Cursor, ChatGPT or the HeyLead dashboard. HeyLead drafts the campaign. You review it and press Launch. Nothing is sent before. 1 sentence creates a draft campaign. Nothing is sent until you press Launch.

Before an invitation, HeyLead warms up: a profile view, a follow, a comment on a recent post. It sends an invitation with a note, an opening message, up to 2 follow-ups on Free and 5 on Pro, InMail and email fallback.

Opening messages, follow-ups and answers to replies wait for your approval until you switch to autopilot. Invitations, not-now check-ins and meeting nudges are not held.

Replies are read, classified and answered from the campaign's facts. A reply that could mean 2 things gets 1 short question back. A question your facts can't answer is held for you. "Not now" gets a check-in in 30 days.

## The brief to type into HeyLead

You can start your campaign from many places. It works in Claude Code, Cursor, Claude Desktop and claude.ai, any MCP client and a web dashboard.

It works in ChatGPT as a custom MCP app. This is tested on ChatGPT Pro. Custom apps depend on your ChatGPT plan and settings. You provide the brief to reach the participant. You tell the agent what you need from them.

```
create_campaign goal='research' brief='Reach out to participants in the recent thread to ask for interviews.'
```

## Limits and requirements

Free costs $0 for 1 connected account with 2 follow-ups. Pro costs $29 a month per connected account.

The client's source is on GitHub under MIT. The hosted backend is not. It reads your own LinkedIn posts to learn your voice and never posts unless you ask for a post.

It runs from the cloud with your laptop closed. HubSpot is the CRM it syncs with. Google Calendar is the calendar it books into. You can manage your outreach easily.

## Questions people ask

### How much does HeyLead cost?

Free costs $0 for 1 connected account with 2 follow-ups. Pro costs $29 a month per connected account.

### Does HeyLead post on my behalf?

It reads your own LinkedIn posts to learn your voice and never posts unless you ask for a post.

### What happens if a person says not now?

"Not now" gets a check-in in 30 days.

### Can I use HeyLead with ChatGPT?

It works in ChatGPT as a custom MCP app. This is tested on ChatGPT Pro. Custom apps depend on your ChatGPT plan and settings.

HeyLead sends from your own LinkedIn account at a human pace: at most 20 invitations a day and 100 a week on a free LinkedIn account (more on Premium or Sales Navigator: a newly connected paid account starts at 20 a day and doubles each week up to its limit), Monday to Friday 08:00 to 22:00 in your time zone, minutes apart. It backs off when LinkedIn pushes back and resumes on its own. You can pause any campaign at any time.

HeyLead is not affiliated with LinkedIn. It reaches LinkedIn through Unipile, which is also not affiliated. LinkedIn's own rules are in the Terms: https://heylead.dev/terms

Related: [LinkedIn industry thread participant signal for sales](https://heylead.dev/signals/industry-thread-participant), [How to use the post tech evaluation signal for research](https://heylead.dev/signals/post-tech-evaluation-for-research-interviews), [How to use the post asking for recommendations signal](https://heylead.dev/signals/post-seeking-recs-for-research-interviews), [How to use the post negative experience signal](https://heylead.dev/signals/post-negative-experience-for-research-interviews), [How to use the post pain point signal for research](https://heylead.dev/signals/post-pain-point-for-research-interviews), [LinkedIn signals](https://heylead.dev/signals)