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exec

Execute commands within a running Koyeb deployment instance to manage resources, troubleshoot issues, or perform administrative tasks directly through the Koyeb MCP Server.

Instructions

Execute a command in a running deployment

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
instanceIdYes
shellNo
commandYes
Behavior2/5

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

With no annotations provided, the description carries full burden but lacks critical behavioral details. It states the action but doesn't disclose permissions needed, whether it's destructive (e.g., can modify or delete data), rate limits, or output format. This is inadequate for a command execution tool with zero annotation coverage.

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?

The description is a single, efficient sentence that directly states the tool's purpose without unnecessary words. It's appropriately sized and front-loaded, with every word earning its place in conveying the core functionality.

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?

Given the complexity of executing commands in deployments, no annotations, no output schema, and 0% schema coverage, the description is incomplete. It lacks details on safety, results, error handling, and parameter usage, making it insufficient for informed tool selection and invocation.

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

Parameters2/5

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 but adds no parameter details. It doesn't explain what 'instanceId' refers to, the purpose of 'shell' array, or how 'command' is interpreted. This fails to provide meaning beyond the bare schema, leaving parameters largely undocumented.

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 action ('Execute a command') and target ('in a running deployment'), providing specific verb+resource. However, it doesn't differentiate from sibling tools like 'query-logs' or 'get-instance' that might also interact with deployments, so it doesn't fully distinguish from alternatives.

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 is provided on when to use this tool versus alternatives. The description doesn't mention prerequisites (e.g., needing a running deployment), exclusions, or comparisons to siblings like 'query-logs' for log-related commands, leaving usage context implied but unspecified.

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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