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IronLedger strength calculators MCP Server

by ironledger Your server? Claim it
not responding

IronLedger strength calculators is listed as active in the registry but did not answer our last check. It exposes 7 tools.

Free strength-training calculators, plus a checker for program files you import into IronLedger.

Uptime history 23 days of history · worst day 0%
23 days agonow
2.2%
Uptime 24h
2 of 91 checks
7
Tools
read from the server
493 ms
Response time
average over 24h
open, no key
Access
streamable-http

IronLedger strength calculators does not always answer

Over the last week it answered 17.3% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

run in your terminal
claude mcp add strength-calculators --transport http https://www.ironledger.app/mcp
Settings → Connectors → Add custom connector, then paste this address
https://www.ironledger.app/mcp
~/.codex/config.toml
[mcp_servers.strength-calculators]
url = "https://www.ironledger.app/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "strength-calculators": {
      "url": "https://www.ironledger.app/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "strength-calculators": {
      "type": "http",
      "url": "https://www.ironledger.app/mcp"
    }
  }
}

Available tools 7

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

rpe
rpe_estimate_max
Estimate a one-rep max from weight, reps and RPE, treating RPE as reps in reserve (RPE 8 = 2 reps left) and applying the one-rep max formula to reps + reps in reserve.
rpe_target_load
Find the load for a set of a given number of reps at a target RPE, from a known or estimated one-rep max. Rounded to the nearest 0.5.
one
one_rep_max
Estimate a one-rep max (1RM) from a set of weight × reps, with a percentage table and the load each rep count should allow. Epley by default, Brzycki optional. Estimates above 10 reps are flagged as less reliable.
plate
plate_loading
Work out which plates to put on each side of a barbell to reach a target weight, using standard gym plates or the plates you list. Reports the exact load and anything your plates can’t make.
powerlifting
powerlifting_score
Score a powerlifting total (or a bench press) against bodyweight with DOTS, IPF GL points and the original Wilks, using the coefficients the OpenPowerlifting rankings use.
program
check_program_file
Check a training program written as a CSV or TSV file exactly as the IronLedger app will import it, before anyone loads it on a phone. Returns the weeks, sessions and exercises it creates, every skipped row and warning with its row number, the exercise names the app will question ("Did you mean ...?"), and names that will become new custom exercises. Use it whenever you write a program for someone to import into IronLedger, and fix anything it reports first. The app names the program after the file, so pass the file name you will give it.
warmup
warmup_sets
Build a warm-up ramp to a working weight: plate-friendly jumps, reps falling from 10 to singles, with the plates for each set. The same ramp the IronLedger app suggests.

Endpoints

URLTransportStateLatencyChecked
https://www.ironledger.app/mcp streamable-http answering 75 ms 12 min ago

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IronLedger strength calculators — questions

Answers built from our own checks of this server.

What can IronLedger strength calculators do?
It exposes 7 tools, read directly from the server on our last check. Among them: check_program_file, one_rep_max, plate_loading, powerlifting_score, rpe_estimate_max, rpe_target_load and 1 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is IronLedger strength calculators working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 2 of 91 checks got a reply (2.2%), average response time 493 ms. The bar chart above shows every period we have measured.
The registry lists IronLedger strength calculators as active — why does it not respond?
The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.
How do I connect IronLedger strength calculators?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does IronLedger strength calculators need an API key?
No. IronLedger strength calculators completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 7 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is IronLedger strength calculators?
It answers our handshake in 493 ms on average, which is faster than 24% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.