Thread Otter

com.threadotterPublished by threadotter.comOfficial publisherv1.0.1Updated Oct 24, 2026

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

VerifiedStreamable HTTPWeb executableWeb Search & ScrapingBusiness & Commerce

Overview

AI-generated overview

Thread Otter is a remote MCP server that finds Reddit buyer threads and demand signals for go-to-market research, with free tools usable without an API key.

What you can do
Find buyer threads: crawl a product website, infer its buyers, and mine recent Reddit threads where they ask for something similar, then fetch the report with relevance scores and reply drafts (limited to 2 runs per day). Browse demand: a weekly board of recurring pains and paying-shaped demand across 40 startup, marketing, sales, dev and ecommerce subreddits, plus a weekly category comparison of where buyer demand ran hottest. Check communities: look up a subreddit's self-promo and link policy and how to write for the room. Scan competitors: find this month's Reddit threads complaining about a named product or asking for alternatives (limited to 5 scans per day). Get started: guidance on an
When to use it
Useful for founders, marketers and GTM teams who want to find Reddit conversations where potential buyers describe their needs, compare demand across categories, vet a subreddit's promotion rules before posting, or research complaints about a competitor.
Requirements
Remote streamable HTTP endpoint; no local runtime, environment variables or headers declared. The free tools work without authentication; the get_started tool describes trial signup and API key setup for the full agent tools.
Before you install
The buyer-thread finder crawls a product website you supply and sends that URL to Thread Otter's servers. Free tools are rate-limited (2 buyer-thread runs and 5 competitor scans per day). Reports and reply drafts are suggestions for posting on Reddit; check each subreddit's promotion rules before acting.

Installation

In SourceWeft

  1. Open Thread Otter in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.

Use with an agent

Paste this prompt into Claude Code, Codex, Cursor or another agent — or into SourceWeft chat. The agent reads this server's install guide, shows you its publisher, endpoint and sign-in, and adds it to your client once you agree. Keys never go into a command.

Read https://sourceweft.com/mcp/com.threadotter%2Fagent/install.md and connect the MCP server it describes to my client. Before changing any config, show me its publisher, endpoint and sign-in method and wait for my OK. Never put an API key in a command or in a file I would commit; ask me where it should come from.

Read the install guide the agent follows

Other MCP clients

Add this to your client's mcpServers config.

{
  "mcpServers": {
    "thread-otter": {
      "type": "http",
      "url": "https://www.threadotter.com/api/mcp"
    }
  }
}

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.

Takes no parameters.

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.

Parametersemailwebsite_urlrequired

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.

Parametersslugrequired

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.

Parameterscommunity

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.

Parameterssubredditrequired

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.

Parameterscategory

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.

Parameterscompetitorrequired

Version history

1
  1. v1.0.1LatestSep 16, 2026

Score

83% of the applicable checks met

How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.

  • Reached in the last 30 daysRequired25 pts
  • Auth declaredRequired10 pts
  • Tools listedRequired15 pts
  • DescriptionRequired15 pts
  • Logo10 pts
  • Documentation15 pts

    Declare a GitHub repository with a README, or serve resource_documentation in the OAuth protected-resource metadata.

  • LicenseNot applicable

    A hosted service is used under its provider's terms, so no license is expected here. This check is left out of the percentage.