Exchange Google OAuth code for MCP token. [write] On success, immediately replace any stored mcp_token — new token is tied to a different account.

Verify an email address by connecting to its mail server via SMTP. Checks MX records, tests if the address is accepted (RCPT TO), detects catch-all domains, and reports TLS support. Results are RAM-cached for 1 hour.

Exposes MCP discovery schema for Smithery and other MCP clients.

Access comprehensive disclosure data for mutual funds with the FMP Mutual Fund Disclosures API. Analyze recent filings, balance sheets, and financial reports to gain insights into mutual fund portfolios.

Bridge an MCP tool call to an A2A (Agent-to-Agent Protocol) agent. Translates the MCP tool_name and arguments into an A2A task, sends it to the target A2A agent, waits for completion, and translates the response back to MCP format. Use this to make any MCP tool accessible to A2A agents (Google's agent ecosystem). Requires authentication.

Unpublish an article (revert to draft status). The article remains accessible for editing but is removed from the public blog.