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metaflow-mcp-server

by npow

list_deployments

List Metaflow deployments across Argo Workflows, Maestro, or other supported backends. Optionally filter by flow name or orchestrator.

Instructions

List Metaflow flows deployed to the configured orchestrator.

Discovers flows deployed via Deployer to Argo Workflows, Maestro, or other supported backends.

Args: flow_name: Only list deployments for this flow. If omitted, lists all. impl: Orchestrator backend (e.g. "maestro", "argo_workflows"). Auto-detected if omitted.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
flow_nameNo
implNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

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

No annotations provided, so description carries full burden. It discloses that only Deployer-deployed flows are listed and supports auto-detection of backend, but omits details on permissions, rate limits, pagination, or safety.

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?

Description is concise with a single sentence summary followed by bullet-pointed parameter explanations. No redundant content; front-loaded with main action.

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 an output schema exists and only two optional parameters, the description covers essential context: what is listed, backend options, and filtering. Could mention if results are sorted or paginated, but overall adequate.

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

Parameters5/5

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

Schema description coverage is 0%, but the description explains both parameters clearly: flow_name filters to a specific flow or all, impl specifies backend or auto-detects. Examples add value beyond the schema.

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 'List Metaflow flows deployed to the configured orchestrator', using a specific verb and resource. It distinguishes from sibling 'list_flows' by specifying the deploy context and backend support.

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 lacks explicit when-to-use or when-not-to-use guidance. It implies it is for flows deployed via Deployer but does not compare with alternatives like 'list_flows' or discuss 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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