get-notion-block · Notion MCP Server MCP: Risk & Policy

WHAT IT DOES

What get-notion-block does on Notion MCP Server

AI agents call get-notion-block to retrieve information from Notion MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why get-notion-block needs a policy

The tool appears to retrieve block data from Notion without modifying it. Although the description is empty, the naming pattern and context of sibling tools (get-notion-page, search-notion-database) strongly suggest a read operation with no side effects.

From the tool's definition Tool name 'get-notion-block' combined with server description stating 'Allows searching, reading, and writing to Notion' and sibling tools including read operations like 'get-notion-page' and 'search-notion-database' indicate this is a retrieval operation.

Attacks that exploit this kind of access

Questions about get-notion-block

What does the get-notion-block tool do? +

get-notion-block. It is categorised as a Read tool in the Notion MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get-notion-block? +

Register the Notion MCP Server MCP server in PolicyLayer and add a rule for get-notion-block: 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 Notion MCP Server. Nothing to install.

What risk level is get-notion-block? +

get-notion-block is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get-notion-block? +

Yes. Add a rate_limit block to the get-notion-block 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.

How do I block get-notion-block completely? +

Set action: deny in the PolicyLayer policy for get-notion-block. 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.

What MCP server provides get-notion-block? +

get-notion-block is provided by the Notion MCP Server MCP server (joonhuang/notion-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.