Leadenrich MCP

Waterfall lead enrichment for AI agents. Cascades through Apollo, Clearbit, and Hunter to build the most complete lead profile in a single call. Its 6 documented tools cover enrich, check. It runs locally over stdio via the published package.

People connecting this server to Claude, Cursor, VS Code, or another MCP client. The project is written in Python.

VERIFIED ACTIVE

LAST COMMIT 2026-08-21 · ★ 2 · #435 OF 848 MAINTAINED OTHER · VERIFIED 2026-08-25

Python servers · how we verify → /methodology

01 · Install Leadenrich MCP

before you install - you'll need

Set APOLLO_API_KEY, CLEARBIT_API_KEY, HUNTER_API_KEY before connecting.

Claude Code

claude mcp add carsonroell-debug-leadenrich-mcp -- uvx leadenrich-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "carsonroell-debug-leadenrich-mcp": {
      "command": "uvx",
      "args": [
        "leadenrich-mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license no standard license detected - usage rights unclear; check the repo before commercial use

pypi package leadenrich-mcp - check the name against the project README before installing (PyPI has no namespace ownership)

registry namespace io.github.carsonroell-debug is GitHub-verified and matches the repo owner

03 · What Leadenrich MCP can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

An agent gets 6 documented tools spanning enrich, check, including enrich_lead, find_email, enrich_company, enrich_batch.

Capability map

Tools grouped from the project's README - what Leadenrich MCP lets an agent do.

Enrich

3 tools - e.g. Full waterfall enrichment for a single lead (email, domain, or name+domain); Company firmographic data by domain (industry, size, revenue, etc.); Batch enrich up to 25 leads concurrently

enrich_lead · enrich_company · enrich_batch

read & search

1 tool - e.g. Discover an email from first name + last name + company domain

find_email

Check

1 tool - e.g. Quota, cost tracking, and remaining lookups

check_usage

Health

1 tool - e.g. Server status, configured providers, and cache stats

health_check

04 · Who maintains Leadenrich MCP

leadenrich-mcp is maintained by carsonroell-debug. We track 4 MCP servers from carsonroell-debug - 4 actively maintained, 2 combined GitHub stars, oldest repo from Apr 2026.

05 · Facts

category
other - ranked #435 of 848 actively-maintained other servers as of 2026-08-25.
registry
io.github.carsonroell-debug/leadenrich-mcp (active, first published 2026-04-06)
packages
pypi:leadenrich-mcp

06 · Leadenrich MCP FAQ

Is Leadenrich MCP still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-21. We re-verify nightly.

What can Leadenrich MCP do?

An agent gets 6 documented tools spanning enrich, check, including enrich_lead, find_email, enrich_company, enrich_batch.

How do I install Leadenrich MCP?

Run `uvx leadenrich-mcp`. The README documents 3 environment variables (APOLLO_API_KEY, CLEARBIT_API_KEY, HUNTER_API_KEY) to set first. Set APOLLO_API_KEY, CLEARBIT_API_KEY, HUNTER_API_KEY before connecting. You can also paste the ready-made client config above.

Does Leadenrich MCP run locally?

Yes - it's a stdio server: it runs on your machine (via uvx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Leadenrich MCP