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oflow-mcp

oflow-mcp

by openpeng
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
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workflow_list_instances

List workflow instances with optional filters by status and template to track and manage workflow executions.

Instructions

List workflow instances, optionally filtered by status and template.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "workflow_list_instances"
  }
}

Input Schema

NameRequiredDescriptionDefault
statusNoInstance status filter
templateNoTemplate filter

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A3.6/5.0
Behavior2/5

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

No annotations are provided, and the description fails to disclose key behavioral traits such as read-only nature, pagination, rate limits, or default behavior (e.g., 'all' status). The word 'List' implies read-only but is not explicit, and no other behaviors are mentioned.

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, front-loaded sentence with no wasted words. It efficiently conveys the core purpose and optional filters.

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 simplicity (2 optional params, no output schema), the description is too sparse. It omits details like return format, ordering, pagination, or the default status behavior (e.g., what happens if neither filter is provided).

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 100%, and the description adds no extra meaning beyond restating the optional filters. Baseline is 3 since the schema already documents both parameters adequately.

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 verb 'List' and resource 'workflow instances', with optional filters (status and template). It distinguishes from sibling tools like workflow_advance and workflow_start by specifying the list operation uniquely.

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

Usage Guidelines4/5

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

The description provides clear context for when to use the tool (listing instances with optional filters) but lacks explicit guidance on when NOT to use it or comparison to alternatives like workflow_status (which might show single instance status).

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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