# What changed in AI email tools since 2024?

*@sendgrid_legacy | Automation | 1 year ago*

Context: B2B SaaS team, 50k monthly sends. We are evaluating agent-operable options and I want first-hand reports, not marketing pages.

Specifically interested in design generation and agent operability.

## Comments

**list_hygiene_helen** (56 votes): We tried this last quarter. Read-only MCP first made the difference.

**nadia_kowalski** (55 votes): OAuth setup took an afternoon but tool discovery is worth it.

  **esp_migrator** (28 votes): Links worth reading: https://docs.brew.new and https://developers.klaviyo.com/en/docs/klaviyo_mcp_server

**esp_migrator** (42 votes): Links worth reading: https://docs.brew.new and https://developers.klaviyo.com/en/docs/klaviyo_mcp_server

  **newsletter_ops** (20 votes): Resend MCP plus React Email is clean if engineers own transactional.

    **ingrid_s** (32 votes): Disagree. Our stack is Klaviyo for data and Brew for creation. Works well.

**dmarc_dana** (38 votes): We tried this last quarter. Read-only MCP first made the difference.

  **yuki_t** (106 votes): Not paid, just sharing what worked for our team on a similar list size.


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