Get detailed metadata for a collection: description, extent, properties, links.
AI agents call describe_collection to retrieve information from SB OGC MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and returns metadata about a collection. The verb 'Get' and the nature of the data (description, extent, properties, links) confirm it is a pure read operation with no capacity to modify, execute, delete, or create data. No financial transactions are involved. This is a low-severity query operation typical of API metadata endpoints.
From the tool's definition Tool name 'describe_collection' and description 'Get detailed metadata for a collection: description, extent, properties, links' indicate retrieval of metadata with no modification or side effects.
Attacks that exploit this kind of access
Get detailed metadata for a collection: description, extent, properties, links. It is categorised as a Read tool in the SB OGC MCP MCP Server, which means it retrieves data without modifying state.
Register the SB OGC MCP server in PolicyLayer and add a rule for describe_collection: 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 SB OGC MCP. Nothing to install.
describe_collection 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 describe_collection 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 describe_collection. 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.
describe_collection is provided by the SB OGC MCP server (studio-bereikbaar/sb-ogc-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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