bfs_list_themes
AI agents call bfs_list_themes to retrieve information from Pypi:swiss Statistics without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool appears to list available themes from the Swiss Federal Statistical Office dataset catalog. This is a read-only query operation with no side effects, data modification, execution, or financial impact. Confidence is slightly reduced due to empty description, but the naming convention and sibling tool patterns provide sufficient evidence for Read classification.
From the tool's definition Tool name 'bfs_list_themes' indicates a listing/enumeration function. Sibling tools include 'bfs_list_tables_by_theme', 'bfs_search_tables', and 'bfs_get_data'—all read-only query operations against public statistical datasets.
Attacks that exploit this kind of access
bfs_list_themes. It is categorised as a Read tool in the Pypi:swiss Statistics MCP Server, which means it retrieves data without modifying state.
Register the Pypi:swiss Statistics MCP server in PolicyLayer and add a rule for bfs_list_themes: 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 Pypi:swiss Statistics. Nothing to install.
bfs_list_themes 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 bfs_list_themes 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 bfs_list_themes. 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.
bfs_list_themes is provided by the Pypi:swiss Statistics MCP server (malkreide/swiss-statistics-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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