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Jock Taxes for Claude MCP Server

answering

Jock Taxes for Claude is answering right now. Last checked 8 min ago. It exposes 15 tools.

Pro athlete after-tax salary calculators for MLB, NBA, NFL and NHL, built for Claude.

Uptime history 68 hours of history
68 hours agonow
100.0%
Uptime 24h
91 of 91 checks
15
Tools
read from the server
319 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

Today is the operative word: we check Jock Taxes for Claude every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

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 8 min ago.

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

Available tools 15

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

calculate
calculate_mlb_tax
Calculate professional-athlete tax for one MLB season with the Jock Taxes engine. Ask the user for a missing team or salary. Do not invent team codes, seasons, salaries, or filing status. Call list_tax_calculator_inputs for allowed values. Send salary when the user has one season total taxed entirely as duty-day pay. Send base_salary plus optional signing_bonus and performance_bonus to match the site Salary + Bonuses form. Do not send salary together with base_salary or a bonus. exempt_signing_bonus_from_jock_tax defaults to true for a split, so the signing bonus is taxed only in the player's domicile. performance_bonus is included only when include_performance_bonus_in_jock_tax is true. art_xvi4_inducement_sb applies to an exempt signing bonus paid by a Canadian club to a U.S. resident. Present the result as a calculation, not as tax or legal advice. Required before this call: team, and salary or base_salary. Match a player with list_team_players only after league, team, and season_id are known. Repeat inputs and defaults from the result in the reply.
calculate_nba_tax
Calculate professional-athlete tax for one NBA season with the Jock Taxes engine. Ask the user for a missing team or salary. Do not invent team codes, seasons, salaries, or filing status. Call list_tax_calculator_inputs for allowed values. Send salary when the user has one season total taxed entirely as duty-day pay. Send base_salary plus optional signing_bonus and performance_bonus to match the site Salary + Bonuses form. Do not send salary together with base_salary or a bonus. exempt_signing_bonus_from_jock_tax defaults to true for a split, so the signing bonus is taxed only in the player's domicile. performance_bonus is included only when include_performance_bonus_in_jock_tax is true. art_xvi4_inducement_sb applies to an exempt signing bonus paid by a Canadian club to a U.S. resident. Present the result as a calculation, not as tax or legal advice. Required before this call: team, and salary or base_salary. Match a player with list_team_players only after league, team, and season_id are known. Repeat inputs and defaults from the result in the reply.
calculate_nfl_tax
Calculate professional-athlete tax for one NFL season with the Jock Taxes engine. Ask the user for a missing team or salary. Do not invent team codes, seasons, salaries, or filing status. Call list_tax_calculator_inputs for allowed values. Send salary when the user has one season total taxed entirely as duty-day pay. Send base_salary plus optional signing_bonus and performance_bonus to match the site Salary + Bonuses form. Do not send salary together with base_salary or a bonus. exempt_signing_bonus_from_jock_tax defaults to true for a split, so the signing bonus is taxed only in the player's domicile. performance_bonus is included only when include_performance_bonus_in_jock_tax is true. art_xvi4_inducement_sb applies to an exempt signing bonus paid by a Canadian club to a U.S. resident. Present the result as a calculation, not as tax or legal advice. Required before this call: team, and salary or base_salary. Match a player with list_team_players only after league, team, and season_id are known. Repeat inputs and defaults from the result in the reply. On NFL, other_duty_day_pay is added to the duty-day base and other_inducement_pay is added into the signing bonus. Send those with base_salary, not with a single season total.
calculate_nhl_tax
Calculate professional-athlete tax for one NHL season with the Jock Taxes engine. Ask the user for a missing team or salary. Do not invent team codes, seasons, salaries, or filing status. Call list_tax_calculator_inputs for allowed values. Send salary when the user has one season total taxed entirely as duty-day pay. Send base_salary plus optional signing_bonus and performance_bonus to match the site Salary + Bonuses form. Do not send salary together with base_salary or a bonus. exempt_signing_bonus_from_jock_tax defaults to true for a split, so the signing bonus is taxed only in the player's domicile. performance_bonus is included only when include_performance_bonus_in_jock_tax is true. art_xvi4_inducement_sb applies to an exempt signing bonus paid by a Canadian club to a U.S. resident. Present the result as a calculation, not as tax or legal advice. Required before this call: team, and salary or base_salary. Match a player with list_team_players only after league, team, and season_id are known. Repeat inputs and defaults from the result in the reply.
equivalent
equivalent_mlb_salary
Find the gross salary on a comparison MLB team that matches the after-tax income of a known salary on a baseline team. Ask for the baseline team, comparison team, filing status, and either baseline_salary or base_salary. Do not invent team codes. Call list_tax_calculator_inputs for allowed values. Present the result as a calculation, not as tax or legal advice. Required before this call: baseline_team, comparison_team, and baseline_salary or base_salary. Match a player with list_team_players only after league, team, and season_id are known. Repeat inputs and defaults from the result in the reply.
equivalent_nba_salary
Find the gross salary on a comparison NBA team that matches the after-tax income of a known salary on a baseline team. Ask for the baseline team, comparison team, filing status, and either baseline_salary or base_salary. Do not invent team codes. Call list_tax_calculator_inputs for allowed values. Present the result as a calculation, not as tax or legal advice. Required before this call: baseline_team, comparison_team, and baseline_salary or base_salary. Match a player with list_team_players only after league, team, and season_id are known. Repeat inputs and defaults from the result in the reply.
equivalent_nfl_salary
Find the gross salary on a comparison NFL team that matches the after-tax income of a known salary on a baseline team. Ask for the baseline team, comparison team, filing status, and either baseline_salary or base_salary. Do not invent team codes. Call list_tax_calculator_inputs for allowed values. Present the result as a calculation, not as tax or legal advice. Required before this call: baseline_team, comparison_team, and baseline_salary or base_salary. Match a player with list_team_players only after league, team, and season_id are known. Repeat inputs and defaults from the result in the reply. On NFL, other_duty_day_pay is added to the duty-day base and other_inducement_pay is added into the signing bonus. Send those with base_salary, not with a single season total.
equivalent_nhl_salary
Find the gross salary on a comparison NHL team that matches the after-tax income of a known salary on a baseline team. Ask for the baseline team, comparison team, filing status, and either baseline_salary or base_salary. Do not invent team codes. Call list_tax_calculator_inputs for allowed values. Present the result as a calculation, not as tax or legal advice. Required before this call: baseline_team, comparison_team, and baseline_salary or base_salary. Match a player with list_team_players only after league, team, and season_id are known. Repeat inputs and defaults from the result in the reply.
player
player_movement_mlb
Compare after-tax income when a MLB player moves from one team to another at the same gross pay. Ask for the origin team, destination team, filing status, and either gross_salary or base_salary. Do not invent team codes. Call list_tax_calculator_inputs for allowed values. Present the result as a calculation, not as tax or legal advice. Required before this call: from_team, to_team, and gross_salary or base_salary. Match a player with list_team_players only after league, team, and season_id are known. Repeat inputs and defaults from the result in the reply.
player_movement_nba
Compare after-tax income when a NBA player moves from one team to another at the same gross pay. Ask for the origin team, destination team, filing status, and either gross_salary or base_salary. Do not invent team codes. Call list_tax_calculator_inputs for allowed values. Present the result as a calculation, not as tax or legal advice. Required before this call: from_team, to_team, and gross_salary or base_salary. Match a player with list_team_players only after league, team, and season_id are known. Repeat inputs and defaults from the result in the reply.
player_movement_nfl
Compare after-tax income when a NFL player moves from one team to another at the same gross pay. Ask for the origin team, destination team, filing status, and either gross_salary or base_salary. Do not invent team codes. Call list_tax_calculator_inputs for allowed values. Present the result as a calculation, not as tax or legal advice. Required before this call: from_team, to_team, and gross_salary or base_salary. Match a player with list_team_players only after league, team, and season_id are known. Repeat inputs and defaults from the result in the reply. On NFL, other_duty_day_pay is added to the duty-day base and other_inducement_pay is added into the signing bonus. Send those with base_salary, not with a single season total.
player_movement_nhl
Compare after-tax income when a NHL player moves from one team to another at the same gross pay. Ask for the origin team, destination team, filing status, and either gross_salary or base_salary. Do not invent team codes. Call list_tax_calculator_inputs for allowed values. Present the result as a calculation, not as tax or legal advice. Required before this call: from_team, to_team, and gross_salary or base_salary. Match a player with list_team_players only after league, team, and season_id are known. Repeat inputs and defaults from the result in the reply.
profile
get_profile
Return the profile represented by this request's authenticated credentials. The opaque id is unique within this app and remains unchanged across token refresh, reconnection, and display-metadata changes.
tax
list_tax_calculator_inputs
List leagues, seasons, filing statuses, and team codes accepted by the NHL, NFL, MLB, and NBA tax calculators. Does not use calculation quota.
team
list_team_players
List player ids and pay for one team and season from the salary tables. Requires league, team, and season_id. Match the user's name against name and last_first. If several rows fit, or none fit, ask the user which person they mean. Copy season_total into the calculator's one-amount field, or copy base_salary, signing_bonus, and performance_bonus for Salary + Bonuses. Does not use request quota.

Endpoints

URLTransportStateLatencyChecked
https://jocktaxes.com/mcp/claude streamable-http answering 197 ms 8 min ago

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Jock Taxes for Claude — questions

Answers built from our own checks of this server.

What can Jock Taxes for Claude do?
It exposes 15 tools, read directly from the server on our last check. Among them: calculate_mlb_tax, calculate_nba_tax, calculate_nfl_tax, calculate_nhl_tax, equivalent_mlb_salary, equivalent_nba_salary and 9 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 →
What is Jock Taxes for Claude mostly used for?
Its tools cluster around player, calculate and equivalent. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.
Is Jock Taxes for Claude working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 319 ms. The bar chart above shows every period we have measured.
How do I connect Jock Taxes for Claude?
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 Jock Taxes for Claude need an API key?
No. Jock Taxes for Claude completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 15 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Jock Taxes for Claude?
It answers our handshake in 319 ms on average, which is faster than 50% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.