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streetshirts
com.streetshirts/creation in the official MCP registry.
Endpoint https://creation.streetshirts.com/agent/design/mcp.
The registry describes it as: Design custom T-shirts, preview artwork, personalize team shirts and prepare a checkout link.
We read its 40 tools on 2026-10-28. Nothing in them matched our tool-poisoning rules. It also sets server instructions, text a client puts in front of the model on connect; those were read too.
A clean read means these rules found nothing, not that the server is harmless. A server can change its tools at any time, which is why the index reads it again every week.
Tools it advertises
discover_products start_design_session get_design_session end_design_session get_design_request choose_product create_design load_design change_design create_design_variants add_text update_text upload_image add_image generate_artwork replace_image move_element resize_element resize_group rotate_element align_element duplicate_element delete_element move_to_print_area remove_background crop_image flip_image restore_original_image invert_image add_keyline sticker_cutout extract_artwork replace_emoji apply_design_batch validate_design preview_design ai_photoshoot save_design create_checkout email_design
Run this server? Show the check in your README
The badge reflects the latest weekly read: 
[](https://lazaretto.dev/mcp-registry/com-streetshirts-creation)How this was checked
Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.
To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.