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find_json_schemas

Read-only

JSON Schemas across the catalog. Standalone data schemas. Filter by q / tags / providers; include=["content"] inlines bodies. Use find_artifacts for cross-type search.

Input Schema

NameRequiredDescriptionDefault
qNoFree text over name + description, e.g. "sms".
pageNoPage number, 1-based (default 1).
sortNoOrder: relevance (catalog order), provider, or name.
tagsNoTag slugs, e.g. ["payments"]. On providers: what the company does (see api_tags).
limitNoResults per page, 1-100 (default 25).
matchNoHow `tags` combine: any (default) or all.any
contextNoOptional: one sentence on why you are asking. Never used to rank; read only if a result is wrong.
includeNoPass ["content"] to inline each artifact's body instead of just its URL.
providersNoProvider slugs, e.g. ["stripe"].

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed6 schema fields changed
    • changedInput schema / properties / context / description
      Previous value: -"Optional: why you are asking. One sentence — the task you are trying to complete, or what you expect to get back. Never included in the answer and never used to rank; it is read only when a result turns out to be wrong, which is when knowing the intent is what makes the report actionable."New value: +"Optional: one sentence on why you are asking. Never used to rank; read only if a result is wrong."
    • changedInput schema / properties / match / description
      Previous value: -"How multiple `tags` combine: \"any\" (default, at least one) or \"all\" (every tag)."New value: +"How `tags` combine: any (default) or all."
    • changedInput schema / properties / page / description
      Previous value: -"Page number, 1-based (default 1). Use with `limit` to walk a long list."New value: +"Page number, 1-based (default 1)."
    • changedInput schema / properties / providers / description
      Previous value: -"Provider slugs to restrict results to, e.g. [\"stripe\",\"adyen\"]."New value: +"Provider slugs, e.g. [\"stripe\"]."
    • changedInput schema / properties / q / description
      Previous value: -"Free text over name + description."New value: +"Free text over name + description, e.g. \"sms\"."
    • changedInput schema / properties / tags / description
      Previous value: -"Tag slugs. On PROVIDERS this is identity — what the company says it does, from its own apis.yml. A resource or operation term (webhook, saml, order, oai-pmh) will correctly match no provider; use find_apis?tags= for those, or find_providers?api_tags= to reach companies whose APIs merely touch it."New value: +"Tag slugs, e.g. [\"payments\"]. On providers: what the company does (see api_tags)."
  2. Changed5 schema fields changed
    • addedInput schema / properties / include / description
      Added value: +"Pass [\"content\"] to inline each artifact's body instead of just its URL."
    • addedInput schema / properties / limit / description
      Added value: +"Results per page, 1-100 (default 25)."
    • addedInput schema / properties / match / description
      Added value: +"How multiple `tags` combine: \"any\" (default, at least one) or \"all\" (every tag)."
    • addedInput schema / properties / page / description
      Added value: +"Page number, 1-based (default 1). Use with `limit` to walk a long list."
    • addedInput schema / properties / providers / description
      Added value: +"Provider slugs to restrict results to, e.g. [\"stripe\",\"adyen\"]."
  3. Changed1 schema field changed
    • changedInput schema / properties / tags / description
      Previous value: -"Tag slugs. On PROVIDERS this is identity — what the company says it does, from its own apis.yml. A resource or operation term (webhook, saml, order, oai-pmh) will correctly match no provider; use find_apis?tags= for those, or api_tags below."New value: +"Tag slugs. On PROVIDERS this is identity — what the company says it does, from its own apis.yml. A resource or operation term (webhook, saml, order, oai-pmh) will correctly match no provider; use find_apis?tags= for those, or find_providers?api_tags= to reach companies whose APIs merely touch it."
  4. Changed1 schema field changed
    • addedInput schema / properties / sort
      Added value: +{
+  "description": "Order: relevance (catalog order), provider, or name.",
+  "enum": [
+    "relevance",
+    "provider",
+    "name"
+  ],
+  "type": "string"
+}
  5. Changed1 schema field changed
    • changedInput schema / properties / tags / description
      Previous value: -"Tag slugs."New value: +"Tag slugs. On PROVIDERS this is identity — what the company says it does, from its own apis.yml. A resource or operation term (webhook, saml, order, oai-pmh) will correctly match no provider; use find_apis?tags= for those, or api_tags below."
  6. Changed1 schema field changed
    • addedInput schema / properties / context
      Added value: +{
+  "description": "Optional: why you are asking. One sentence — the task you are trying to complete, or what you expect to get back. Never included in the answer and never used to rank; it is read only when a result turns out to be wrong, which is when knowing the intent is what makes the report actionable.",
+  "type": "string"
+}
  7. Added

TDQS

A3.6/5.0
Behavior3/5

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

Annotations already cover the safety profile (readOnlyHint=true, openWorldHint=false), so the burden is lighter. The description adds one real behavioral fact — include=["content"] inlines bodies rather than returning only URLs — which affects payload size. It discloses nothing about auth, rate limits, or return/pagination format, so it adds only modest value beyond structured fields.

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?

Very short and front-loaded, opening with the resource and then the filters and sibling alternative. Slightly fragmentary phrasing and the near-redundant 'Standalone data schemas' keep it from a 5, but there is no wasted sentence.

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?

For a filtered-list tool with no output schema, the description covers the resource, available filters, the content-inlining option, and sibling routing — enough for an agent to call it correctly. It omits auth/rate-limit context and does not characterize result payloads, which are minor given the annotations already present.

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?

Schema description coverage is 100%, so the schema already documents all nine parameters, including the meaning of tags/providers and the content inlining behavior. The description largely restates this (q/tags/providers, include=["content"]), adding little beyond the schema; baseline 3 is correct.

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?

Names a specific resource ('JSON Schemas across the catalog') and scopes it ('Standalone data schemas'), and it explicitly distinguishes itself from find_artifacts as the cross-type sibling. The fragmentary style ('Standalone data schemas.') leaves the exact nature of a 'JSON Schema artifact' slightly implicit, but the purpose is clear enough to route correctly.

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

Usage Guidelines4/5

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

Gives explicit routing: 'Use find_artifacts for cross-type search,' which names the alternative and the condition that selects it. It also lists the supported filters (q / tags / providers), implying when it fits. No when-not guidance beyond the sibling, so a 4 rather than 5.

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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