This record as markdown: /tools/io-github-iowarp-adios-mcp/dem-terrain.md
What dem_terrain does on CLIO Adios
AI agents call dem_terrain to retrieve information from CLIO Adios without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why dem_terrain is rated Low
Based on server purpose (data fetching and analysis) and the tool name pattern among siblings (analyze_*, aggregate_*, etc.), dem_terrain most likely retrieves or queries terrain/elevation data without side effects. The empty description reduces confidence, but the Read category is the most conservative interpretation for a data analysis tool in a scientific computing context.
From the tool's definition Tool name 'dem_terrain' suggests Digital Elevation Model terrain data retrieval. The server context (CLIO Adios) involves fetching and analyzing BP5 data files for scientific data access. No description provided, limiting evidence.
Attacks that exploit this kind of access
The rule that runs dem_terrain safely
PolicyLayer is an MCP gateway: it sits between your AI agents and CLIO Adios, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For dem_terrain, this is the rule to start with:
dem_terrain is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect CLIO Adios, apply this rule, and every dem_terrain call is checked against it from then on.
Questions about dem_terrain
dem_terrain is a read tool on the CLIO Adios MCP server. It is categorised as a Read tool in the CLIO Adios MCP Server, which means it retrieves data without modifying state.
Register the CLIO Adios MCP server in PolicyLayer and add a rule for dem_terrain: 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 CLIO Adios. Nothing to install.
dem_terrain 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 dem_terrain 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 dem_terrain. 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.
dem_terrain is provided by the CLIO Adios MCP server (pypi:clio-kit). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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