Get posts from a specific Canny board with optional filtering
AI agents call get_posts to retrieve information from Canny 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 or queries existing posts from a Canny board. It performs no write, delete, or execute operations—purely a read operation. The blast radius is minimal since it only exposes existing customer feedback data. Severity is low as misuse would only result in information disclosure of data the agent should already have access to.
From the tool's definition Tool name 'get_posts' and description 'Get posts from a specific Canny board with optional filtering' indicate data retrieval with no modification or deletion.
Attacks that exploit this kind of access
Get posts from a specific Canny board with optional filtering. It is categorised as a Read tool in the Canny MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Canny MCP Server MCP server in PolicyLayer and add a rule for get_posts: 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 Canny MCP Server. Nothing to install.
get_posts 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_posts 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_posts. 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_posts is provided by the Canny MCP Server MCP server (mailerlite/canny-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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