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karbassi

slack-mcp

by karbassi

workflows_step_completed

Confirm that a workflow step has finished successfully, providing output values from the step.

Instructions

Indicate a workflow step has been completed successfully.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
outputsNoKey-value object mapping output names from the step's configuration to their values.
workflow_step_execute_idYesContext identifier for the step execution, from the ``workflow_step_execute`` event.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

No annotations are provided, so the description must convey behavioral traits. It mentions 'indicate' but does not disclose side effects, idempotency, authorization needs, or what happens after completion.

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?

Extremely concise single sentence. Could benefit from a bit more context, but no wasted words.

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

Completeness3/5

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

Adequate for a simple indication tool, but lacks context about prerequisites (e.g., step must be executing) and the output schema exists but is not referenced. Minimal but functional.

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%, so the parameters are already documented. The tool description adds no additional meaning beyond the schema, hence baseline 3.

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 action (indicate) and the resource (workflow step completion). It distinguishes from siblings like workflows_step_failed by specifying 'successfully'.

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., workflows_step_failed for failure, or workflows_update_step for modifications). The agent must infer from context.

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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