# OpenWorkdays

> OpenWorkdays — solvohq-openworkdays. Use this tool when you need to perform date calculations that account for business days and holidays, such as adding or subtracting working days from a date or counting the number of business days between two dates. It solves problems related to scheduling, project planning, and date-based workflows by providing accurate business-day aware calculations. The API takes dates and holiday lists as input and returns the calculated results, making it ideal for use cases that require customized date arithmetic.

Canonical page: https://skillsregistry.net/skills/solvohq-openworkdays  
JSON: https://api.skillsregistry.net/v1/skills/solvohq-openworkdays

## Description

A zero-signup business-day date arithmetic API that allows adding/subtracting working days, counting business days between two dates, and testing if a date is a business day, with custom holidays.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** api-integration
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/l7ojewuk1o)
- **Repository:** <https://github.com/SolvoHQ/openworkdays>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "solvohq-openworkdays"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/solvohq-openworkdays` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/solvohq-openworkdays/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt