mcp
Free finance and trading calculators as MCP tools: risk/reward, RMD, Coast FIRE, inflation.
What it can do
What data it sees
Do you need an account
No: the server works without sign-in
Free finance and trading calculators as MCP tools: risk/reward, RMD, Coast FIRE, inflation.
How to connect
How to connect mcp to Claude
The server address to paste into Claude settings:
https://economicium-mcp.economicium.workers.dev/mcp
- Open Claude (claude.ai or the desktop app).
- Go to Settings → Connectors.
- Click Add custom connector.
- Paste the server address copied below into Remote MCP server URL and click Add.
- In a chat, click + → Connectors and switch the new connector on.
Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.
Authorization
After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.
How to connect mcp to ChatGPT
The server address to paste into ChatGPT settings:
https://economicium-mcp.economicium.workers.dev/mcp
- Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
- Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
- Open Settings → Connectors and click Create.
- Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
- Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
- In a new chat open + → Apps/Connectors and enable the connector.
OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.
Authorization
On first use ChatGPT opens the service's sign-in window. Sign in and approve access.
How to connect mcp to Cursor
The server address to paste into Cursor settings:
https://economicium-mcp.economicium.workers.dev/mcp
Fastest: click Open in Cursor below and confirm the prompt.
Manually:
- In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
- Paste the JSON copied below into
~/.cursor/mcp.json(per project:.cursor/mcp.jsonin the repo root). - Save the file. The server appears in the MCP list; authorize it there if asked.
Authorization
If the service needs sign-in, an authorize button appears next to the server in the MCP list.
Server tool list (18)
Raw names from tools/list. Only developers need these.
| risk_reward | Reward:risk ratio, breakeven win rate, and expectancy in R multiples from an entry, stop and target. |
| position_size | Lot size, units and per-lot pip value from account risk, a stop distance, and an instrument. |
| pip_value | Cash value of one pip/point for a given instrument, lot size and account currency. |
| margin | Notional value, required margin, and effective leverage for a leveraged position. |
| profit_loss | Cash result, pips, and return-on-margin for a closed or hypothetical trade. |
| compounding | Account growth curve, total return and the gain from compounding vs. simple interest. |
| pivot_points | Classic, Fibonacci, Camarilla and Woodie support/resistance levels from a prior high, low and close. |
| fibonacci_levels | Retracement (0-100%) and extension (127.2-261.8%) price levels for a swing high/low. |
| liquidation_price | Estimated liquidation price and distance from entry for a leveraged crypto position. |
| rmd | This year's RMD from a prior-year-end IRA/employer-plan balance and age, per the IRS Uniform Lifetime Table. |
| ibond_value | Accrued and redeemable value of a Series I savings bond, from its issue month, face value and an as-of month. |
| financial_health_score | A 0-100 score from savings rate, emergency fund coverage and debt-to-income, each against a named benchmark. |
| real_wage | Whether a pay change kept pace with inflation, in real (inflation-adjusted) terms, using annual US CPI. |
| emergency_fund | How many months of runway a set of resources covers against monthly expenses, net of unemployment benefits and COBRA. |
| coast_fire | The amount invested today that, growing alone with no further contributions, reaches a full FIRE number by retirement age. |
| inflation_adjust | What a dollar amount in one year is worth in another year's dollars, based on annual US CPI-U. |
| fx_rate | Daily ECB reference cross rate between two currencies. |
| cpi_index | The annual (yearly-average) US CPI-U index value for a given year. |