List resources associated with a specific source title.
AI agents call list_resources_for_source to retrieve information from Cartesi 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 or lists existing resources without creating, modifying, deleting, or executing any operations. It has no side effects and matches the 'Read' category definition: 'retrieves or queries data; no side effects (search, list, get, fetch).' The blast radius of misuse is minimal—an agent could only retrieve information about Cartesi developer resources that are already publicly documented.
From the tool's definition Tool name 'list_resources_for_source' and description 'List resources associated with a specific source title' indicate a retrieval/query operation.
Attacks that exploit this kind of access
List resources associated with a specific source title. It is categorised as a Read tool in the Cartesi Knowledge MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Cartesi Knowledge MCP Server MCP server in PolicyLayer and add a rule for list_resources_for_source: 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 Cartesi Knowledge MCP Server. Nothing to install.
list_resources_for_source 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 list_resources_for_source 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 list_resources_for_source. 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.
list_resources_for_source is provided by the Cartesi Knowledge MCP Server MCP server (mugen-builders/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.
Teams ship this data inside their own products. See what a licence covers →