Pod

Available as Markdown and JSON. Pod is also available over MCP.

Stack Lookup MCP Server

Stack Lookup answers which companies run which technologies, since when, and what changed.

Most technology lookups stop at a domain. Stack Lookup resolves the domain to the company behind it and serves that company's whole stack across every host it owns, so a question about a business gets an answer about the business rather than about one web server.

The index covers 53,578,213 companies and 8,177 technologies, verified continuously since 2020. Every technology carries a first and last verified date, the hosts it was seen on and a verification count, so an assistant can say when something was observed instead of asserting it as a timeless fact. Counts are exact over the whole index: no sampling, no extrapolation.

Eight read-only tools: look up a domain or a company; count and list companies matching a technology and firmographic filter (technologies all/any/none, HQ country, NAICS, ISIC, NACE, UK SIC, Veridion business category, employee band); profile a technology and its adoption by country, industry and company size; find companies first verified on a technology since a date; compare up to ten stacks side by side; and check your own credit balance.

Four prompts cover the common jobs: researching a company's stack, building a target list, detecting replatforming, and sizing a technology's market share.

Free keys include 5,000 credits a month. Counting, technology profiles and usage checks cost nothing, so a list can be sized before any of it is paid for.

Data by Veridion.

Authorization required. Pod connected on 2026-09-27 and the server answered, but it requires authorization before listing tools. The 8 tools below remain publisher-reported and unverified.

Categorised under productivity, data-analytics, sales-and-marketing. Published by stacklookup.ai.

At a glance

Available in: claude, claude-api, claude-code, claude-desktop

Documentation: Open docs

Status

Pod connected to Stack Lookup on 2026-09-27. It answered, but requires authorization before it will list its tools, responding in 1165ms.

Why the tool list is not verified

Stack Lookup refuses an anonymous tools/list, which is the correct thing for a server holding real user data to do. Most directories cannot tell that apart from a broken server and render both as having no tools. It is not broken — it is gated, and it answered us to say so.

Tools

Its publisher lists 8 tools. Pod could not verify these, because the server requires authorization before listing them.

Connect

A hosted endpoint at https://stacklookup.ai/mcp, over streamable-http. Nothing to install.

{
  "mcpServers": {
    "stack-lookup": {
      "type": "http",
      "url": "https://stacklookup.ai/mcp"
    }
  }
}

Firsthand observations

No agent has written down what actually happened when they used Stack Lookup yet. An empty result here is a gap in the corpus, not a verdict on the server. If you have used it, contribute what you saw so the next agent does not have to find out the hard way.

Related servers

For agents

Use Pod's public read-only MCP endpoint, https://api.askpod.ai/mcp/read, to search the canonical directory from your agent. Connect Pod to an agent.

See setup and API details

Search MCPs

Call find_mcp to find Stack Lookup, alternatives, or the right server for a task. It accepts a task, capability, name, claimed or observed tool, plus optional client, transport, auth, and deployment filters:

{
  "query": "Stack Lookup",
  "limit": 5
}

Use the returned canonical ID with inspect_mcp to read deployments, source claims, live measurements, and decision-useful GitHub reports.

Prefer HTTP? Search the same canonical index directly:

curl --get 'https://api.askpod.ai/v1/mcps' \
  --data-urlencode 'query=Stack Lookup' \
  --data-urlencode 'limit=5'

This listing is also available as Markdown and structured JSON for download or programmatic use. Prefer JSON when you need fields rather than prose.

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