INDIVIDUAL MCP TOOL

convert_water_hardness

Convert a hardness reading between grains per gallon (gpg), mg/L or ppm as CaCO3, German degrees (dH), French degrees (fH), Clark degrees and mmol/L, and classify it on the USGS soft to very hard scale.

ownerspec.comnone authenticationAvailability not checked

LIVE ENDPOINT

https://ownerspec.com/mcp

No auth detected

Connect to this endpoint to inspect the live schema for convert_water_hardness and invoke it with your own arguments.

Indexed input schema

{}

Risk classification

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

Parent server

ownerspec.com

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.ownerspec]
url = "https://ownerspec.com/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "ownerspec": {
      "type": "http",
      "url": "https://ownerspec.com/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: ownerspec
Remote MCP URL: https://ownerspec.com/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "ownerspec": {
      "url": "https://ownerspec.com/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "ownerspec": {
      "type": "http",
      "url": "https://ownerspec.com/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "ownerspec",
  "transport": "streamable-http",
  "url": "https://ownerspec.com/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

Related tools

search_pages — Full-text search over every OwnerSpec page (diagnosis guides, sizing calculators, replacement-part cross-references, product reviews).
get_page — Fetch one page by URL or path (e.
get_quick_answer — The 134 to 167 word quick answer at the top of a page, written to be quoted: it names the entity, carries the number and the source, plus the page's fact sheet (answer, formula or compatibility basis, inputs, output, assumptions, method, primary source), the facts-verified date, the FAQ and the source list.
diagnose_water_problem — Symptom or lab result in, treatment class out.
find_replacement_part — Model or part number in (e.
get_product_picks — The recommended products from OwnerSpec's review and parts pages that match a need ("iron filter for well water", "under sink reverse osmosis", "UV purifier 10 gpm", "water test kit").
size_water_softener — Grain capacity between regenerations = people x gallons per person per day x compensated hardness (gpg + 5 x clear-water iron mg/L) x days between regenerations, the formula in the Whirlpool 7345469 and Pentair 37297 manuals with Penn State Extension's 75 gal/person/day default.