Retrieve a specific knowledge item by ID
AI agents call get_knowledge to retrieve information from Trello Knowledge MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves existing knowledge items from Trello without creating, modifying, deleting, or executing operations. It is purely informational access by ID lookup, making it a straightforward Read operation with minimal security risk.
From the tool's definition Tool name 'get_knowledge' combined with description 'Retrieve a specific knowledge item by ID' indicates a read-only operation. The word 'Retrieve' explicitly signals data access without modification.
Attacks that exploit this kind of access
Retrieve a specific knowledge item by ID. It is categorised as a Read tool in the Trello Knowledge MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Trello Knowledge MCP Server MCP server in PolicyLayer and add a rule for get_knowledge: 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 Trello Knowledge MCP Server. Nothing to install.
get_knowledge 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 get_knowledge 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 get_knowledge. 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.
get_knowledge is provided by the Trello Knowledge MCP Server MCP server (pscheit/trello-knowledge-mcp-server). 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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