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insumer

by com.insumermodel
OverviewDiscussionsAdmin

Get a merchant profile

insumer_get_merchant
Read-onlyIdempotent

Get full public merchant profile including token tiers, NFT collections, discount mode, verification status, and walletTerms: what the store gives a wallet with and without proof of control, so you can decide whether to sign before creating a code.

Input Schema

NameRequiredDescriptionDefault
idYesMerchant ID

Output Schema

NameRequiredDescriptionDefault
okNotrue when the API call succeeded
dataNoThe endpoint's payload: a signed attestation, trust profile, discount, merchant or token records
keysNoJWKS entries (insumer_jwks)
metaNoResponse metadata such as version and timestamp
errorNoError details when ok is false
itemsNoThe result when the endpoint returns a JSON array
messageNoA plain-text result (insumer_setup), or a message from the API

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": true,
+  "properties": {
+    "data": {
+      "description": "The endpoint's payload: a signed attestation, trust profile, discount, merchant or token records"
+    },
+    "error": {
+      "description": "Error details when ok is false"
+    },
+    "items": {
+      "description": "The result when the endpoint returns a JSON array",
+      "items": {},
+      "type": "array"
+    },
+    "keys": {
+      "description": "JWKS entries (insumer_jwks)",
+      "items": {},
+      "type": "array"
+    },
+    "message": {
+      "description": "A plain-text result (insumer_setup), or a message from the API"
+    },
+    "meta": {
+      "description": "Response metadata such as version and timestamp"
+    },
+    "ok": {
+      "description": "true when the API call succeeded",
+      "type": "boolean"
+    }
+  },
+  "type": "object"
+}
  2. First observed

TDQS

A3.5/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false, and openWorldHint=true, so safety and idempotency are fully covered structurally. The description adds context about what the profile contains (walletTerms, verification status) but does not disclose behavioral traits beyond the field enumeration — no auth requirements, rate limits, or caching behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single sentence that front-loads the verb+resource and then enumerates the payload and the decision context. It is information-dense without waste, though the clause after 'so you can decide' is slightly run-on.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With one required parameter, full schema coverage, annotations covering safety/idempotency, and an output schema that presumably documents the return shape, the description does not need to explain return values. It covers purpose, payload contents, and the decision context. Slight gaps remain around alternatives and when-not-to-use.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

There is only one parameter (id) with 100% schema description coverage and a pattern constraint. The description adds no parameter-level detail, but with a single well-documented parameter and full schema coverage, this is adequate — baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific verb+resource ('Get full public merchant profile') and enumerates the payload fields (token tiers, NFT collections, discount mode, verification status, walletTerms). It does not name any sibling tool for differentiation, so it falls short of a 5.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is an implied usage context — 'so you can decide whether to sign before creating a code' — which tells the agent when this data is relevant (pre-signing decisions). But there is no explicit when-to-use statement, no mention of alternatives like insumer_list_merchants for browsing, and no exclusion criteria.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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