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List webhook events

luca_webhooks_events_list
Read-onlyIdempotent

List canonical webhook events of one type, newest first, in the delivered payload fields. Falls back to a documented sample payload when the workspace has none yet.

Instructions

List canonical webhook events of one type, newest first, in the delivered payload fields. Falls back to a documented sample payload when the workspace has none yet.

Luca operation: GET /api/webhook-events Required scopes: webhooks:read Required OAuth scope: luca:read; data sensitivity: redacted Does not require idempotency. Use workspaceId or workspaceSlug to override the default workspace configured by environment.

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": {
      "query": "<query>"
    },
    "name": "luca_webhooks_events_list"
  }
}

Input Schema

NameRequiredDescriptionDefault
queryYes
workspaceIdNoOptional Luca workspace id override.
workspaceSlugNoOptional Luca workspace slug override.

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv0.4.1
    • addedInput schema / required
      Added value: +[
      +  "query"
      +]
  2. First observedv0.4.0

TDQS

A3.7/5.0
Behavior4/5

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

Annotations already declare this as read-only, idempotent, non-destructive, and closed-world. The description adds meaningful context beyond that: required scopes ('webhooks:read', 'luca:read'), redacted data sensitivity, the sample-payload fallback, and the underlying GET endpoint.

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?

The description front-loads the core behavior and then provides structured operational details for scopes and workspace override. It is slightly verbose around idempotency and operation metadata, but no sentence is seriously wasteful.

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?

With an output schema present and annotations covering safety, the description supplies the remaining agent-relevant context: auth scopes, sensitivity, fallback behavior, and workspace override. It would be stronger with an explicit comparison to related webhook delivery tools, but it is otherwise sufficient.

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 coverage is 67% and the nested query object is documented by the schema. The description reinforces that exactly one event type is required and that results are newest first, and it mentions workspace override, but it adds little about the limit parameter or enum semantics beyond what the schema already provides.

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 uses a specific verb and resource ('List canonical webhook events') and scopes the operation to one event type, newest first. It is clear what the tool does, though it does not explicitly differentiate itself from related webhook tools such as luca_webhooks_deliveries_list.

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?

It explains the fallback behavior when no events exist and how to override the workspace, which gives useful usage context. However, it does not say when to use this tool versus luca_webhooks_deliveries_list or the replay tools, nor does it state exclusions.

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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