// MCP TOOL REFERENCE

MICROESIM TOOLS

5 tools from the MicroEsim MCP Server, categorised by risk level.

READ TOOLS

get_cart Get the cart including items, shipping options, discount info, and checkout url for a given cart id get_product_details Look up a product by ID and optionally specify variant options to select a specific variant. search_shop_catalog Search for products from the online store, hosted on Shopify. This tool can be used to search for products using natural language queries, specifi... 2/5 search_shop_policies_and_faqs Used to get facts about the stores policies, products, or services. Some examples of questions you can ask are: - What is your return policy? -... 2/5

WRITE TOOLS

update_cart Perform updates to a cart, including adding/removing/updating line items, buyer information, shipping details, discount codes, gift cards and notes... 2/5

// FAQ

How many tools does the MicroEsim MCP server have? +

The MicroEsim MCP server exposes 5 tools across 2 categories: Read, Write.

How do I enforce policies on MicroEsim tools? +

Use Intercept, the open-source MCP proxy. Write YAML rules for each tool — rate limits, argument validation, or deny rules — then run Intercept in front of the MicroEsim server.

What risk categories do MicroEsim tools fall into? +

MicroEsim tools are categorised as Read (4), Write (1). Each category has a recommended default policy.

Enforce policies on MicroEsim

Open source. One binary. Zero dependencies.

npx -y @policylayer/intercept

github.com/policylayer/intercept →