Convert nautical coordinates between decimal degrees, DMS, and DM. Inputs: latitude, longitude — each accepts decimal (44.4), DMS ("44°24'00\"N"), or DM ("44°24.0'N"). Returns all three formats plus input_format (detected per-axis). Examples: latitude="44°24'N", longitude="9°02'E" → 44.4, 9.03; l...
Part of the Nausika server.
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AI agents use nausika_convert_coordinates to create or modify resources in Nausika. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.
Without a policy, an AI agent could call nausika_convert_coordinates repeatedly, creating or modifying resources faster than any human could review. PolicyLayer's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Nausika.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
{
"version": "1",
"default": "deny",
"tools": {
"nausika_convert_coordinates": {
"limits": [
{
"counter": "nausika_convert_coordinates_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}See the full Nausika policy for all 19 tools.
These attack patterns abuse exactly the kind of access nausika_convert_coordinates gives an agent. Each links to the full case and the policy that stops it:
Other write tools across the catalogue. The same approach applies to each: rate-limit and validate the arguments.
Convert nautical coordinates between decimal degrees, DMS, and DM. Inputs: latitude, longitude — each accepts decimal (44.4), DMS ("44°24'00\"N"), or DM ("44°24.0'N"). Returns all three formats plus input_format (detected per-axis). Examples: latitude="44°24'N", longitude="9°02'E" → 44.4, 9.03; latitude="41°01'44.04\"N", longitude="009°32'42.00\"E" → 41.0289, 9.545.. It is categorised as a Write tool in the Nausika MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Nausika MCP server in PolicyLayer and add a rule for nausika_convert_coordinates: 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 Nausika. Nothing to install.
nausika_convert_coordinates is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the nausika_convert_coordinates 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 nausika_convert_coordinates. 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.
nausika_convert_coordinates is provided by the Nausika MCP server (https://mcp.nausika.app). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 19 Nausika tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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