# Weekness — Week & Calendar Utilities (oci · ghcr.io/dvdksn/weekness:1.0.0)

MCP server with ISO week and calendar tools for date conversion, week math, and weekday lookups.

- Trust score: 41/100 (low)
- Change this week: −2
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-04

## Components

- oci · `ghcr.io/dvdksn/weekness:1.0.0`: 41/100 (this document), [markdown](https://verifymcp.io/servers/dvdksn-weekness/ghcr-io-dvdksn-weekness-1-0-0.md), [page](https://verifymcp.io/servers/dvdksn-weekness/ghcr-io-dvdksn-weekness-1-0-0)

## Channel facts

- Registry: `oci`
- Package: `ghcr.io/dvdksn/weekness:1.0.0`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-08-04.

- **Supply Chain Security**: 0/100
  - Malware scan not yet available for this package.
  - CVE data not yet available for this package.
  - Install-script risk not yet assessed.
  - Dependency-health data not yet available.
- **Provenance & Transparency**: 32/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - License check failed: no license is declared.
  - Actively maintained (last published 61 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 80/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 555 tokens (~69/item across 8 items; 8 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 27/100
  - Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
  - Structured output schemas are declared (100% of tools); any adoption earns full credit.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

**Unverified: 1 category.** A category scored 0 because we could not verify it: a data source with nothing on this package, evidence we could not reach, or a check we could not run. We only credit what we can confirm.

## Install

### Claude

```bash
claude mcp add dvdksn-weekness -- docker run --rm -i ghcr.io/dvdksn/weekness:1.0.0
```

### Codex

```bash
codex mcp add dvdksn-weekness -- docker run --rm -i ghcr.io/dvdksn/weekness:1.0.0
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "dvdksn-weekness": {
      "type": "local",
      "command": [
        "docker",
        "run",
        "--rm",
        "-i",
        "ghcr.io/dvdksn/weekness:1.0.0"
      ],
      "enabled": true
    }
  }
}
```

### Hermes

```yaml
mcp_servers:
  dvdksn-weekness:
    command: "docker"
    args: ["run", "--rm", "-i", "ghcr.io/dvdksn/weekness:1.0.0"]
```

### Other

```json
{
  "mcpServers": {
    "dvdksn-weekness": {
      "command": "docker",
      "args": [
        "run",
        "--rm",
        "-i",
        "ghcr.io/dvdksn/weekness:1.0.0"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-08-04 (score 41, +4)

- [functional improvement] Stability: unverified → 0.27

### 2026-07-31 (score 37, −6)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-27 (score 43, +35)

- [functional improvement] Tool coverage: unverified → 100
- [functional] First check of Schema quality: excellent
- [functional] First check of Schema quality: pass
- [functional] First check of Tool coverage: 100
- [functional] First check of Tool coverage: 100
- [functional] First check of Schema quality: fail

### 2026-07-26 (score 8)

First indexed and scored.

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

## MCP tools (8)

### `add_weeks` (~80 tokens)

Add/Subtract Weeks

Offsets a date or week string by a number of weeks (negative to go back). Returns the resulting ISO week year, number, and week string.

Input parameters:

- `timestamp` (string, required): ISO 8601 timestamp or week string (e.g. 2024-W15)
- `weeks` (integer, required): Number of weeks to add (negative to subtract)

Output parameters:

- `today_weekday` (string)
- `week_number` (integer)
- `week_string` (string)
- `year` (integer)

### `current_date` (~32 tokens)

Current Date

Returns today's date (YYYY-MM-DD) and weekday name. Call this when you need to know what today's date is.

Output parameters:

- `date` (string)
- `weekday` (string)

### `current_week` (~47 tokens)

Current Week

Returns today's ISO week year, week number, week string (e.g. '2026-W08'), and weekday name. Call this to orient yourself in time before reasoning about weeks or weekdays.

Output parameters:

- `today_weekday` (string)
- `week_number` (integer)
- `week_string` (string)
- `year` (integer)

### `nearest_weekday` (~131 tokens)

Nearest Weekday

Returns the date of the nearest past ('last') or future ('next') occurrence of a given weekday relative to a reference date. Use this for questions like 'when was last Monday?' or 'what date is next Friday?'.

Input parameters:

- `direction` (string, required): Direction to search: 'last' for most recent past occurrence, 'next' for next future occurrence
- `timestamp` (string): Optional reference ISO 8601 date (defaults to today if omitted)
- `weekday` (string, required): Day of the week (monday, tuesday, wednesday, thursday, friday, saturday, sunday)

Output parameters:

- `date` (string)
- `days_away` (integer)
- `weekday` (string)

### `timestamp_to_week` (~80 tokens)

Date to ISO Week

Returns the ISO week year, week number (1-53), and week string (e.g. '2026-W08') for a given date or timestamp.

Input parameters:

- `timestamp` (string, required): ISO 8601 timestamp (e.g. 2024-03-15T10:30:00Z or 2024-03-15)

Output parameters:

- `today_weekday` (string)
- `week_number` (integer)
- `week_string` (string)
- `year` (integer)

### `week_to_dates` (~60 tokens)

ISO Week to Date Range

Returns the Monday start date and Sunday end date (YYYY-MM-DD) for a given ISO year and week number.

Input parameters:

- `week` (integer, required): Week number (1-53)
- `year` (integer, required): Year (e.g. 2024)

Output parameters:

- `end_date` (string)
- `start_date` (string)
- `week_number` (integer)
- `week_year` (integer)

### `weekday_of_date` (~65 tokens)

Weekday of Date

Returns the weekday name (e.g. 'Monday') for a given date or timestamp.

Input parameters:

- `timestamp` (string, required): ISO 8601 timestamp (e.g. 2024-03-15T10:30:00Z or 2024-03-15)

Output parameters:

- `date` (string)
- `weekday` (string)

### `weeks_between` (~60 tokens)

Weeks Between Dates

Returns the number of weeks between two dates, signed (negative if end is before start) and as an absolute value.

Input parameters:

- `end_timestamp` (string, required): End ISO 8601 timestamp
- `start_timestamp` (string, required): Start ISO 8601 timestamp

Output parameters:

- `absolute_weeks` (integer)
- `weeks` (integer)

## Diagnostics

Captured diagnostic sections: Provenance. The full working is on the page: https://verifymcp.io/servers/dvdksn-weekness/ghcr-io-dvdksn-weekness-1-0-0#diagnostics

## Score history

- 2026-08-04: 41
- 2026-08-03: 37
- 2026-08-02: 37
- 2026-08-01: 37
- 2026-07-31: 37
- 2026-07-30: 43
- 2026-07-28: 43
- 2026-07-27: 43
- 2026-07-26: 8

## Links

- Repository: https://github.com/dvdksn/weekness
- Changelog RSS feed: https://verifymcp.io/servers/dvdksn-weekness/ghcr-io-dvdksn-weekness-1-0-0/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/dvdksn-weekness/ghcr-io-dvdksn-weekness-1-0-0/changelog.json
- HTML version of this page: https://verifymcp.io/servers/dvdksn-weekness/ghcr-io-dvdksn-weekness-1-0-0