Croncool Cron Jobs

Show Croncool project overview

show_project_overview

Read-onlyIdempotent

Use this when the user wants to render a read-only overview of one CronCool project and a bounded preview of its scheduled jobs. Returns an overview card with the project's name and creation time, whether workflow hosting is set up, and up to 12 jobs with schedule, target origin and last run status. Not for a job's run history.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "projectId": "<projectId>"
    },
    "name": "show_project_overview"
  }
}

Input Schema

Name	Required	Description	Default
`projectId`	Yes	Project id

Output Schema

Name	Required	Description
`jobs`	Yes	Up to 12 of the project jobs. Job request payloads, credential-bearing target paths or queries, organization fields and workflow callback secrets are excluded.
`project`	Yes
`jobCount`	Yes
`jobCountIsLowerBound`	Yes

Schema Changelog

Changes observed during successful MCP inspections.

Changed2 schema fields changedSep 27, 2026

changedInput schema / properties / projectId / description

Previous value: -"Croncool project id to render"New value: +"Project id"

addedOutput schema / properties / jobs / description

Added value: +"Up to 12 of the project jobs. Job request payloads, credential-bearing target paths or queries, organization fields and workflow callback secrets are excluded."

First observedSep 17, 2026

TDQS

A4.3/5.0

Behavior4/5

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

Annotations already declare readOnly/idempotent/non-destructive/non-open-world, so the safety profile is covered. The description adds real value beyond that: the result is an overview card with name, creation time, workflow-hosting status, and a bounded 12-job preview with schedule/origin/last-run status.

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?

Three tight sentences, zero filler, front-loaded with the trigger condition followed by the return contents and the exclusion. Every sentence earns its place.

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

Completeness5/5

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

Complete for a single-parameter read tool: the trigger, the bounded behavior, and the returned fields are all stated, and an output schema exists so no further return-value detail is required. Nothing an agent needs to call it correctly is missing.

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 there is only one parameter (projectId), so the schema fully documents it. The description adds no syntax or format detail for projectId beyond 'one CronCool project,' which is baseline behavior.

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?

States a specific verb+resource ('render a read-only overview of one CronCool project') and bounds the scope ('up to 12 jobs'). It explicitly carves itself out from siblings with 'Not for a job's run history,' routing agents toward get_job_runs.

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?

Gives a clear triggering condition ('when the user wants to render...') and an explicit exclusion ('Not for a job's run history'). It stops short of naming the alternative sibling tool, but the negative guidance is unambiguous enough to route correctly.

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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