huggingface_list_spaces
AI agents call huggingface_list_spaces to retrieve information from Integrations MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The 'list' verb is consistently used for Read operations—it retrieves and enumerates existing resources without side effects. While the description is empty, the sibling tools on this server (airtable_list_bases, airtable_list_records, amplitude_get_event_counts) all perform safe Read queries. No capability to create, modify, execute, delete, or commit financial transactions is implied.
From the tool's definition Tool name 'huggingface_list_spaces' indicates a listing operation that retrieves or queries data from Hugging Face Spaces without modifying state.
Attacks that exploit this kind of access
huggingface_list_spaces. It is categorised as a Read tool in the Integrations MCP MCP Server, which means it retrieves data without modifying state.
Register the Integrations MCP server in PolicyLayer and add a rule for huggingface_list_spaces: 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 Integrations MCP. Nothing to install.
huggingface_list_spaces 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 huggingface_list_spaces 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 huggingface_list_spaces. 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.
huggingface_list_spaces is provided by the Integrations MCP server (shriram-vasudevan/integrations-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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