my_mcp_space_814048_get__v2_sites_site_id_media_media_id_media_renditions_rendition_id_

What it usually takes

• media_id – in 1 of 1
• rendition_id – in 1 of 1
• site_id – in 1 of 1

No server marks it as only reading: treat it as able to change data.

From each publisher's own tool list. We never call a tool.