Oviond

List sent email history

list_email_logs

Read-only

List sent-email history / delivery logs.

Input Schema

TableJSON Schema

Name	Required	Description	Default
No arguments

Output Schema

TableJSON Schema

Name	Required	Description
`data`	No	One row per sent email — recipients, sender name and address, subject, sent_at, and the delivery events (delivered, opened, bounced) with the last one called out.
`meta`	No	Pagination for the list — page, limit and the total row count.
`success`	Yes	True when the call succeeded. A failure comes back as an error result instead.

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedSep 18, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "additionalProperties": false,
+  "properties": {
+    "data": {
+      "description": "One row per sent email — recipients, sender name and address, subject, sent_at, and the delivery events (delivered, opened, bounced) with the last one called out.",
+      "items": {},
+      "type": "array"
+    },
+    "meta": {
+      "additionalProperties": true,
+      "description": "Pagination for the list — page, limit and the total row count.",
+      "properties": {
+        "limit": {
+          "description": "Maximum rows per page.",
+          "type": "number"
+        },
+        "page": {
+          "description": "Zero-based index of the page returned.",
+          "type": "number"
+        },
+        "total": {
+          "description": "Total rows matching the query across all pages.",
+          "type": "number"
+        }
+      },
+      "type": "object"
+    },
+    "success": {
+      "description": "True when the call succeeded. A failure comes back as an error result instead.",
+      "type": "boolean"
+    }
+  },
+  "required": [
+    "success"
+  ],
+  "type": "object"
+}

First observedSep 18, 2026

TDQS

A4.1/5.0

Behavior3/5

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

Annotations already declare readOnlyHint=true and destructiveHint=false, covering the safety profile. The description adds minimal extra context (delivery logs) but does not disclose other behaviors such as pagination or return format. With annotations covering the basics, this is adequate but not enriched.

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 concise line with no waste. It front-loads the core action and resource. Extremely efficient for a simple list operation.

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?

Given the tool's simplicity (no parameters, output schema exists), the description fully covers what an agent needs to know to call it correctly. No additional context is missing.

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

Parameters4/5

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

The tool has zero parameters, and schema coverage is 100% (empty). Baseline for 0 params is 4, and no parameter documentation is needed. The description adds no parameter info, which is appropriate.

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 tool lists sent-email history/delivery logs with a specific verb and resource. It distinguishes itself from siblings like list_email_senders and list_email_templates by focusing on delivery logs, which is unambiguous.

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 implies usage—this is for viewing sent email history—but does not explicitly mention when to use it versus alternatives like list_activity or list_notifications. No exclusions or alternative routing are provided, so guidance is only implicit.

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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