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crowdsecurity

crowdsec-local-mcp

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test_scenario

Test a CrowdSec scenario against multiple log lines by replaying events as if occurring in real-time.

Instructions

Test a CrowdSec scenario against multiple log lines (effectively replaying the events as if they were occurring in real-time).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
log_typeYesType of logs the scenario is intended to analyze
log_linesYesList of log lines to test against the scenario
collectionsYesList of CrowdSec collections to install alongside the scenario
scenario_yamlYesScenario YAML to test
Behavior2/5

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

The only behavioral hint is 'as if they were occurring in real-time', but no disclosure of side effects, performance, or output format. No annotations exist to supplement, so the description carries full burden but is minimal.

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

Conciseness5/5

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

Single sentence conveys the core purpose efficiently. No fluff, and the key action is front-loaded.

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

Completeness2/5

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

No output schema exists, so the description should explain what the tool returns (e.g., alerts, results). It only describes the action, missing expected outcomes or failure conditions.

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?

Schema coverage is 100% with detailed parameter descriptions. The description adds no extra parameter context, but baseline is 3 as schema is sufficient.

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 states a specific verb ('Test'), resource ('CrowdSec scenario'), and clarifies the mode ('replaying the events as if they were occurring in real-time'). It clearly distinguishes from sibling tools like validation or deployment.

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

Usage Guidelines2/5

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

No guidance on when to use this tool versus alternatives (e.g., validate_scenario_yaml, lint_scenario_yaml). Does not mention prerequisites or suitable contexts.

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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