vam.collections.by_category
Browse V&A collection objects by museum category using a thesaurus ID. Major categories: THES48982 (Ceramics, 73K+), THES48917 (Paintings, 23K+), THES48968 (Designs, 25K+), THES48966 (Drawings, 18K+), THES48903 (Prints, 15K+), THES48885 (Textiles, 7K+), THES48910 (Photographs, 4K+), THES48920 (Me...
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What vam.collections.by_category does on Apibase
AI agents call vam.collections.by_category to retrieve information from Apibase without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
page | integer | — | Page number for pagination (default 1). |
query | string | — | Optional keyword to refine results within the category. |
page_size | integer | — | Number of results per page (1-30, default 10). |
on_display | boolean | — | When true, return only objects on display in V&A galleries. |
category_id | string | Yes | V&A thesaurus category ID to browse. Common categories: "THES48982" (Ceramics, 73K+ objects), "THES48917" (Paintings, 23K+), "THES48968" (Designs, 25K+), "THES4 |
Parameters from the server's own tool schema.
Why vam.collections.by_category is rated Low
Tool queries museum collection metadata with no data modification or external side effects.
From the tool's definition Browse V&A collection objects by museum category using thesaurus ID.
Attacks that exploit this kind of access
The rule that runs vam.collections.by_category safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Apibase, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For vam.collections.by_category, this is the rule to start with:
vam.collections.by_category is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Apibase, apply this rule, and every vam.collections.by_category call is checked against it from then on.
Questions about vam.collections.by_category
Browse V&A collection objects by museum category using a thesaurus ID. Major categories: THES48982 (Ceramics, 73K+), THES48917 (Paintings, 23K+), THES48968 (Designs, 25K+), THES48966 (Drawings, 18K+), THES48903 (Prints, 15K+), THES48885 (Textiles, 7K+), THES48910 (Photographs, 4K+), THES48920 (Metalwork, 4K+). Optionally refine with a keyword query and filter to on-display objects only. It is categorised as a Read tool in the Apibase MCP Server, which means it retrieves data without modifying state.
vam.collections.by_category accepts 5 parameters: page, query, page_size, on_display, category_id. Required: category_id. The full parameter table on this page comes from the server's own tool schema.
Register the Apibase MCP server in PolicyLayer and add a rule for vam.collections.by_category: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Apibase. Nothing to install.
vam.collections.by_category is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the vam.collections.by_category rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for vam.collections.by_category. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
vam.collections.by_category is provided by the Apibase MCP server (apibase-mcp-client). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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