Thread Otter

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

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

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "Thread Otter": {
      "url": "https://www.threadotter.com/api/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (7)

• get_started

  How to connect Thread Otter: what this server does, the free tools available anonymously, trial signup, and API key setup. Works without authentication.

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• find_buyer_threads

  Free 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.

  Parameters:

  • website_url (required) — string — The product's website URL, e.g. https://example.com
  • email — string — Optional: the user's email if they'd like a follow-up with their full results. Ask before providing; leave out otherwise.

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_demo_report

  Fetch 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.

  Parameters:

  • slug (required) — string — The run slug returned by find_buyer_threads.

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• reddit_demand_board

  Free 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.

  Parameters:

  • community — string — Optional subreddit name (e.g. "startups" or "r/SaaS") for a per-community breakdown.

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• subreddit_rules

  Free 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.

  Parameters:

  • subreddit (required) — string — Subreddit name, e.g. "startups" or "r/SaaS".

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• demand_radar

  Free 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.

  Parameters:

  • category — string — Optional category key: startups | marketing | sales | dev-ai | services | ecommerce.

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• competitor_complaints

  Free 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.

  Parameters:

  • competitor (required) — string — The product or company name, e.g. "HeyReach".

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

Publisher website

Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.