# Reference

> Lookup pages for the Mark MCP tools and the lead-capture endpoints.

Source: https://docs.use-mark.com/docs/reference

* [Tool reference](/docs/tool-reference): every tool an AI agent can call in
  your workspace, grouped by job, with read-only and write tools marked.
* [Capture leads and subscribers](/docs/capture-leads): the request and
  response contract your site's form posts to.