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Validity Everest

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Queries the Validity Everest API for email deliverability intelligence with domain and subdomain analysis.

huangzihang89by huangzihang89
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About

Queries the Validity Everest API for email deliverability intelligence with domain and subdomain analysis.

README

A lightweight MCP server for querying the Validity Everest API.

This server provides 3 tools:

  • everest_query_v1: full-domain aggregate query
  • everest_query_v2: subdomain-only query with cross-TLD filtering
  • everest_query_batch: batch query in v1 or v2

Requirements

  • Python 3.9+
  • Everest API key

Quick Deploy

  1. Install dependencies:
python3 -m pip install -r requirements.txt
  1. Set your API key:
export EVEREST_API_KEY="your_api_key"
  1. (Optional) Set transport (default is streamable-http):
export MCP_TRANSPORT="streamable-http"
  1. Start the server:
python3 everest_api.py

Notes

  • API key priority:
    1. tool argument api_key
    2. environment variable EVEREST_API_KEY
  • Main endpoint base URL: https://api.everest.validity.com/api/2.0

License

MIT (see LICENSE).

from github.com/huangzihang89/everest-mcp-server

Installing Validity Everest

This server has no published package — it is built from source. Open the repository and follow its README.

▸ github.com/huangzihang89/everest-mcp-server

FAQ

Is Validity Everest MCP free?

Yes, Validity Everest MCP is free — one-click install via Unyly at no cost.

Does Validity Everest need an API key?

No, Validity Everest runs without API keys or environment variables.

Is Validity Everest hosted or self-hosted?

Self-hosted: the server runs locally on your machine via the install command above.

How do I install Validity Everest in Claude Desktop, Claude Code or Cursor?

Open Validity Everest on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.

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