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generate_blue_green_deployment_playbook

Creates Ansible playbooks for blue/green deployments from application configurations, enabling zero-downtime updates with health checks and rollback capabilities.

Instructions

Generate Ansible blue/green deployment playbook from application configuration.

Args: app_name: Name of the application to deploy service_config: JSON configuration for service setup health_check_url: URL endpoint for health checks

Returns: Complete blue/green deployment playbook with rollback capabilities

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
app_nameYes
service_configNo
health_check_urlNo/health

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It mentions that the output includes 'rollback capabilities,' which adds some context beyond the basic generation function. However, it doesn't address critical behavioral aspects such as whether this tool modifies existing systems, requires specific permissions, has rate limits, or what happens if inputs are invalid. For a tool that generates deployment playbooks (potentially affecting production systems), this lack of transparency is a significant gap.

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 appropriately sized and front-loaded: the first sentence clearly states the purpose, followed by a structured 'Args' and 'Returns' section. There's minimal waste, though the 'Args' and 'Returns' labels could be integrated more smoothly. Overall, it's efficient and well-organized for quick comprehension.

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

Completeness4/5

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

Given the complexity (generating deployment playbooks), no annotations, and an output schema present, the description is reasonably complete. It covers the purpose, parameters, and return value. The output schema likely details the playbook structure, so the description doesn't need to explain return values extensively. However, it could benefit from more behavioral context (e.g., idempotency, error handling) to fully address the tool's role in a deployment workflow.

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 description coverage is 0%, so the description must compensate. It lists the three parameters (app_name, service_config, health_check_url) with brief explanations, adding meaning beyond the schema's titles. However, it doesn't provide details on the format of service_config (e.g., JSON structure) or examples for health_check_url. The description partially compensates but leaves gaps in parameter understanding, warranting a baseline score.

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

Purpose4/5

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

The description clearly states the tool's purpose: 'Generate Ansible blue/green deployment playbook from application configuration.' It specifies the verb ('Generate'), resource ('Ansible blue/green deployment playbook'), and source ('from application configuration'). However, it doesn't explicitly distinguish this tool from sibling tools like 'generate_canary_deployment_strategy' or 'generate_playbook_from_recipe', which might also generate deployment-related artifacts.

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?

The description provides no guidance on when to use this tool versus alternatives. It doesn't mention when this blue/green deployment approach is appropriate compared to other strategies (e.g., canary deployments from 'generate_canary_deployment_strategy'), nor does it specify prerequisites or contexts for usage. The only implied usage is for generating Ansible playbooks from application configurations, but this is too vague for effective tool selection.

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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