# nvoke > nvoke finds companies, reads their websites for published email addresses and checks each address with its mail server. A desktop app for people, and a REST API and MCP server for code and AI agents. Agents can sign up without a human. Pay only for verified emails: 50 a month free, plans from $5. Searches run on nvoke's servers and take a few minutes. ## Docs - [Agent instructions](https://nvoke.run/agents.md): everything an agent needs in one file, sign-up included - [Quickstart](https://nvoke.run/docs): get a key, start a search, take the valid leads - [REST API](https://nvoke.run/docs/api): every endpoint with fields and errors - [MCP server](https://nvoke.run/docs/mcp): connect Claude, Cursor or any MCP client - [Agent sign-up](https://nvoke.run/docs/agents): an agent creates the account, the human claims it - [OpenAPI 3.1](https://api.nvoke.run/v1/openapi.json): machine readable API description ## Product - [Home](https://nvoke.run/): what nvoke does - [For agents](https://nvoke.run/agents): the API, MCP and agent sign-up in one page - [Pricing](https://nvoke.run/pricing): the plan ladder ## Optional - [nvokebot](https://nvoke.run/bot): the crawler, and how sites block it - [Privacy](https://nvoke.run/privacy) - [Terms](https://nvoke.run/terms)