MCP server

Leadquasar

io.github.si-imtiaz/leadquasar

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Counts and firmographics for 7.5M+ verified US B2B businesses, by industry, state and city.

Working at last checkAbout 1,103 tokens per request once connected3 tools

https://leadquasar.com/api/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 3
Token cost: About 1,103 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http leadquasar https://leadquasar.com/api/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.leadquasar]
url = "https://leadquasar.com/api/mcp"

Gemini CLI

{"mcpServers":{"leadquasar":{"httpUrl":"https://leadquasar.com/api/mcp"}}}

Cursor

{"mcpServers":{"leadquasar":{"url":"https://leadquasar.com/api/mcp"}}}

VS Code

{"servers":{"leadquasar":{"type":"http","url":"https://leadquasar.com/api/mcp"}}}

Antigravity

agy mcp add leadquasar https://leadquasar.com/api/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"leadquasar","server_url":"https://leadquasar.com/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"leadquasar","server_url":"https://leadquasar.com/api/mcp"}

count_businesses ~554 tokens
Count verified B2B businesses in the LeadQuasar database matching an industry, country, US state and/or city, with how many have an email address and a phone number. Use this to answer questions like 'how many managed service providers are there in Texas', 'how many dentists in Chicago have a busine
list_industries ~68 tokens
List the industries LeadQuasar covers and how many verified businesses each holds. Use this first when unsure what industry wording will match.
search_businesses ~481 tokens
Return a sample of matching businesses with industry, location and data-quality signals. Contact details (name, company, email, phone, address) are never returned by this tool — it shows what exists and how reachable it is, not who to call.

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Prospect Intelligence
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