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quarantine_security

Destructive

Review and manage quarantined servers and tools to prevent Tool Poisoning Attacks (TPAs). Supports server-level quarantine and tool-level approval for tool changes.

Instructions

Security quarantine management for MCP servers and tools. Review and manage quarantined servers and tools to prevent Tool Poisoning Attacks (TPAs). Supports server-level quarantine and tool-level approval for individual tool description/schema changes. NOTE: Unquarantining servers is only available through manual config editing or system tray UI for security.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameNoServer name (required for inspect_quarantined, quarantine_server, inspect_tools, approve_tool, approve_all_tools)
operationYesSecurity operation: list_quarantined, inspect_quarantined, quarantine_server, inspect_tools, approve_tool, approve_all_tools
tool_nameNoTool name (required for approve_tool operation)
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructive behavior; the description adds context by noting that unquarantining is only available through manual config editing or system tray UI, revealing a security constraint. No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise with three sentences and a note, front-loading the main purpose. Every sentence adds value, but a slight reduction could improve compactness.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (multiple operations, security-sensitive), the description offers a good high-level overview but lacks details on operation effects and return values. No output schema, so more context would help.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema has 100% description coverage, so parameters are already well-documented. The description does not add new meaning beyond what the schema provides, achieving the baseline for high coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's function: 'Security quarantine management for MCP servers and tools' with specific actions like server-level quarantine and tool-level approval. It distinguishes from siblings that focus on calling tools or listing registries.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies usage for quarantining and securing servers/tools but does not explicitly state when to use this tool versus alternatives. No clear guidance on selecting operations or handling prerequisites.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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