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timestamp-ref

❖ Communityv1.0.0★ 0

Tools · by olric3015 · added

@ts: context references that turn timestamps into readable times for the model: @ts:1729468800123 attaches the moment in UTC, in the local time zone and as ISO 8601, with its weekday, how long ago or ahead it is, the same moment in Unix seconds, milliseconds and microseconds, and its ISO week; bare numbers are read as seconds, milliseconds, microseconds or nanoseconds by their length (or an s/ms/us/ns suffix) and the block says which; ISO 8601 and RFC 2822 dates and now work too, and up to 10 values in one reference also get the gaps between them; the TUI and Desktop composer preview a value as you type it.

Open in Hermes Desktop
hermes plugins install timestamp-ref
Repository ↗Reviewed source @ 241fccb ↗Documentation ↗

README

From the reviewed commit 241fccb ↗; it updates when the author re-pins.

timestamp-ref

@ts: references for Hermes: put @ts:1729468800123 in a message and Hermes replaces it with the moment that number stands for, worked out on your machine: UTC, your local time, ISO 8601, the weekday, how long ago (or how far ahead) it is, and the same moment in Unix seconds, milliseconds and microseconds. Written dates work too (@ts:2024-10-21T09:00:00+03:00, @ts:"Mon, 21 Oct 2024 03:00:00 +0300"), and several values in one reference also get the gaps between them.

Logs, databases, API responses and JWTs are full of Unix timestamps, and a model converting 1729468800123 to a date in its head gets the unit, the day or the time zone wrong often enough to matter. With @ts: it gets the conversion already done, exactly, together with which unit the number was read in.

Install

hermes plugins install timestamp-ref --enable

Requires Hermes 0.21.5 or newer. No API key, no configuration, no dependencies.

Use

@ts:1729468800                 Unix seconds (10 digits)
@ts:1729468800123              milliseconds (13 digits), microseconds (16), nanoseconds (19)
@ts:1729468800ms               a suffix (s, ms, us, ns) chooses the unit
@ts:2024-10-21T09:00:00+03:00  ISO 8601; without an offset the value is read as UTC
@ts:"Mon, 21 Oct 2024 03:00:00 +0300"   RFC 2822 (HTTP and mail headers), in quotes
@ts:now                        the current time
@ts:1729468800,1729555200.5    up to 10 values, plus the gaps between them

A bare number is read by its length: up to 11 digits are seconds (that reaches the year 5138), 12-14 milliseconds, 15-17 microseconds and longer ones nanoseconds. The block always says which unit it used. Negative numbers are before 1970; fractions and _ digit separators are fine. Values with spaces go in quotes (", ' or a backtick); Hermes reads a reference up to the end of the line.

Example, from the end-to-end test (one-shot hermes chat turns run on 2026-10-21 on a machine set to UTC+3). The message When did this job start? @ts:1729468800123 reaches the model as the message followed by:

Timestamp 1729468800123 (Unix milliseconds)
  note: read as milliseconds from its 13 digits; add s, ms, us or ns to choose
  UTC       2024-10-21 00:00:00.123 Monday
  local     2024-10-21 03:00:00.123 +03:00 Monday
  ISO 8601  2024-10-21T00:00:00.123Z
  relative  about 2.0 years (729 days) ago
  Unix      1729468800.123 s, 1729468800123 ms, 1729468800123000 us
  calendar  day 295 of 2024, ISO week 2024-W43

A written date with an offset also shows the time as written. From the same run, @ts:2024-10-21T00:00:00+03:00:

Timestamp 2024-10-21T00:00:00+03:00 (ISO 8601)
  as written  2024-10-21 00:00:00 +03:00 Monday
  UTC         2024-10-20 21:00:00 Sunday
  local       2024-10-21 00:00:00 +03:00 Monday
  ISO 8601    2024-10-20T21:00:00Z
  relative    about 2.0 years (730 days) ago
  Unix        1729458000 s, 1729458000000 ms, 1729458000000000 us
  calendar    day 294 of 2024, ISO week 2024-W42

and @ts:1729468800,1729555200.5 ends with:

Differences:
  1 -> 2: +1 day (+86,400.5 s)
  • local is the time zone of the computer Hermes runs on. Where the system cannot convert a date (Windows refuses dates before 1970) the row says so instead.
  • relative is counted from the moment the message is sent, in at most two units ("3 days 4 hours ago"), or in years past 365 days.
  • Times are exact to the microsecond; a nanosecond value says when it drops the rest.

Suggestions

In the TUI and the desktop app, typing @ts: suggests now and the current Unix time, and @ts: followed by a value previews it (@ts:1729468800123 shows 1729468800123 = 2024-10-21 00:00:00.123 UTC). The classic CLI does not show reference suggestions.

Security and footprint

  • register() only registers one context reference provider (@ts:).
  • It reads nothing but the text of the reference itself and the system clock, and only when you write @ts: in a message.
  • No network access, no subprocesses, no downloads, no credentials read, no files read or written.
  • Standard library only (datetime, email.utils).

Development

python -m pytest tests                                              # unit tests, no Hermes needed
PYTHONPATH=<hermes checkout> python tests/e2e/timestamp_ref_e2e.py   # real hermes chat turns and TUI suggestions
hermes plugins validate timestamp-ref

Changes

  • 1.0.0: first release.

MIT licensed.

Disclosure

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