Subtract one region from another. 从当前ROI区域中减去输入的ROI区域。 The new region contains the parts of the original region that are not in the other region. 新的区域包含原始区域中不在另一个区域中的部分。 If a non-empty region is subtracted by an empty region, a copy of the original region is returned. 一个非空区域减去空区域，获得该区域对象的拷贝。 I...
Part of the Leaper Vision Toolkit MCP server. Enforce policies on this tool with Intercept, the open-source MCP proxy.
AI agents use il_region_subtract to create or modify resources in Leaper Vision Toolkit. 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 il_region_subtract repeatedly, creating or modifying resources faster than any human could review. Intercept's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Leaper Vision Toolkit.
Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.
tools:
il_region_subtract:
rules:
- action: allow
rate_limit:
max: 30
window: 60See the full Leaper Vision Toolkit policy for all 169 tools.
Agents calling write-class tools like il_region_subtract have been implicated in these attack patterns. Read the full case and prevention policy for each:
Other tools in the Write risk category across the catalogue. The same policy patterns (rate-limit, validate) apply to each.
Subtract one region from another. 从当前ROI区域中减去输入的ROI区域。 The new region contains the parts of the original region that are not in the other region. 新的区域包含原始区域中不在另一个区域中的部分。 If a non-empty region is subtracted by an empty region, a copy of the original region is returned. 一个非空区域减去空区域，获得该区域对象的拷贝。 If an empty region is subtracted by a non-empty region, the complement of the other region is returned. 一个空区域减去一个非空区域，获得后者的取反区域。 并输出一个新的复合ROI区域对象(ILCompoundRegion类型)的描述JSON。 其中ILCompoundRegion类型继承于ILRegion类型 . It is categorised as a Write tool in the Leaper Vision Toolkit MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Add a rule in your Intercept YAML policy under the tools section for il_region_subtract. You can allow, deny, rate-limit, or validate arguments. Then run Intercept as a proxy in front of the Leaper Vision Toolkit MCP server.
il_region_subtract 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 il_region_subtract rule in your Intercept 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 Intercept policy for il_region_subtract. 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.
il_region_subtract is provided by the Leaper Vision Toolkit MCP server (leaper-mcp/leaper-mcp-proxy). Intercept sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic policy on every MCP tool call. Per-identity grants. Full audit log.