Thread Otter

Free buyer-thread finder, Reddit demand board + full GTM agent tools; try with no key.

CommunityOnlineNo sign-inGlobalFreeRead-only

What it can do

    What data it sees

    Do you need an account

    No: the server works without sign-in

    Free buyer-thread finder, Reddit demand board + full GTM agent tools; try with no key.

    How to connect

    How to connect Thread Otter to Claude

    The server address to paste into Claude settings:

    https://www.threadotter.com/api/mcp

    1. Open Claude (claude.ai or the desktop app).
    2. Go to Settings → Connectors.
    3. Click Add custom connector.
    4. Paste the server address copied below into Remote MCP server URL and click Add.
    5. In a chat, click + → Connectors and switch the new connector on.

    Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

    Authorization

    After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

    How to connect Thread Otter to ChatGPT

    The server address to paste into ChatGPT settings:

    https://www.threadotter.com/api/mcp

    1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
    2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
    3. Open Settings → Connectors and click Create.
    4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
    5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
    6. In a new chat open + → Apps/Connectors and enable the connector.

    OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

    Authorization

    On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

    How to connect Thread Otter to Cursor

    The server address to paste into Cursor settings:

    https://www.threadotter.com/api/mcp

    Fastest: click Open in Cursor below and confirm the prompt.

    Manually:

    1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
    2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
    3. Save the file. The server appears in the MCP list; authorize it there if asked.

    Authorization

    If the service needs sign-in, an authorize button appears next to the server in the MCP list.

    Server tool list (7)

    Raw names from tools/list. Only developers need these.

    get_startedHow to connect Thread Otter: what this server does, the free tools available anonymously, trial signup, and API key setup. Works without authentication.
    find_buyer_threadsFree GTM demo: give it a product website URL and Thread Otter crawls the site, works out who its buyers are, and mines recent Reddit threads where those buyers are asking for something like it. Returns a report link; results are ready in ~2-3 minutes via get_demo_report. Limited to 2 runs per day.
    get_demo_reportFetch the results of a find_buyer_threads run: top matched buyer threads with relevance scores, plus a link to the full report with reply drafts.
    reddit_demand_boardFree weekly board of what people keep asking for across 40 startup, marketing, sales, dev, and ecommerce subreddits: recurring pains, missing tools, and paying-shaped demand with real thread links. Call with no arguments for the cross-community leaderboard, or pass a community for its full breakdown.
    subreddit_rulesFree lookup of a subreddit's promotion posture from Thread Otter's community vetting data (2,000+ profiled subreddits): self-promo policy, link policy, and how to write for the room.
    demand_radarFree weekly comparison of buyer demand on Reddit BY CATEGORY (startups, marketing, sales, dev & AI, services, ecommerce): where demand ran hottest this week, with top themes and thread receipts per category. Call with no arguments for the comparison, or pass a category key for its detail.
    competitor_complaintsFree live scan: this month's Reddit threads where people are complaining about a named product, asking for alternatives, or evaluating it. Classified by complaint-shaped language with the threads as receipts. Limited to 5 scans per day.