Timestamp

From Timestamp

from_timestamp

Read-onlyIdempotent

Convert a Unix timestamp to an ISO-8601 UTC date + human forms. Auto-detects seconds vs milliseconds by magnitude (override with unit). Keyless, offline.

Example tool call

This call uses example arguments supplied in the tool’s input schema.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "timestamp": 1704067200
    },
    "name": "from_timestamp"
  }
}

Input Schema

Name	Required	Description	Default
`unit`	No	"s" or "ms" (default: auto-detect).
`timestamp`	Yes	Unix timestamp.

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedJul 29, 2026

addedInput schema / examples

Added value: +[
+  {
+    "timestamp": 1704067200
+  },
+  {
+    "timestamp": 1704067200000,
+    "unit": "ms"
+  }
+]

First observedJul 1, 2026

TDQS

A4.2/5.0

Behavior4/5

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

Annotations already declare readOnlyHint, idempotentHint, and destructiveHint=false. The description adds valuable behavioral details: auto-detection of seconds vs milliseconds by magnitude, override with 'unit', and the keyless/offline nature, which enhances understanding beyond annotations.

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 concise sentences front-load the core action and constraints. No redundant information; every sentence serves a purpose. Highly efficient.

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?

The tool is simple with no output schema. The description covers input, auto-detection, and offline nature. However, the output format is only vaguely described as 'ISO-8601 UTC date + human forms' – could be more explicit about the exact return structure, but overall adequate for a straightforward conversion.

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?

Schema coverage is 100% with descriptions for both parameters. The description adds extra meaning by explaining the auto-detection logic and override capability, complementing the schema without repeating it.

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 'Convert a Unix timestamp to an ISO-8601 UTC date + human forms.' This specifies the verb (convert) and the resource (Unix timestamp to date/time), and distinguishes it from siblings like 'to_timestamp' (reverse) and 'relative_time' (relative time).

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 with 'Keyless, offline' suggesting it can be used without keys or network, but it does not explicitly state when to use over alternatives like 'to_timestamp' or 'relative_time'. Some context is provided but no direct when/when-not guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All Timestamp tools Inspect

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