In-depth architectural comparison of the Rfdez Pvpc Mcp Server and Optionsahoy Mcp MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Rfdez Pvpc Mcp Server
Finance & Fintech · Local stdio
Quality: 52/100 (Good) | Auth: No auth required
Optionsahoy Mcp
Finance & Fintech · Local stdio
Quality: 61/100 (Good) | Auth: No auth required
Verdict Summary: Choose Rfdez Pvpc Mcp Server if you need specialized Finance & Fintech tools running via a local process. Choose Optionsahoy Mcp if your workspace requires Finance & Fintech integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
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Choose Rfdez Pvpc Mcp Server when:
You need dedicated capabilities in the Finance & Fintech domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
You need dedicated capabilities in the Finance & Fintech domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: Covers full federal tax code plus all 50 states and DC for 2026, Models AMT credit recovery and post-termination exercise windows, Includes FICA, NIIT, and state AMT for CA, CO, CT, MN.
Retrieve daily PVPC electricity tariffs for 2.0 TD consumers, published by Red Eléctrica.
Multi-year equity-compensation optimization engine: returns the globally-optimal ISO/AMT exercise schedule, NSO sell-vs-hold decision, RSU vest plan, single-stock concentration sell-down, protective put / zero-cost collar pricing, and Section 1202 QSBS qualification verdict. Covers full federal tax code plus all 50 states + DC (ordinary brackets, long-term capital gains treatment, state AMT for CA/CO/CT/MN, FICA, NIIT). Remote HTTP MCP at https://optionsahoy.com/mcp (no auth, no install). Six tools, same engine as the in-browser calculators at optionsahoy.com/tools.
Category & Scope
Tools & Capabilities Breakdown
Rfdez Pvpc Mcp Server Tools (9)
fetch_prices
Fetches the Voluntary Price for the Small Consumer (PVPC) prices for a given date range and geographical area.
locale
Get translations for sources. Accepted values: `es`, `en`. Defaults to `es`.
startDate
Beginning of the date range to filter indicator values in iso8601 format. E.g. 2025-06-29T00:00:00.000+02:00. Defaults to the start of today.
endDate
End of the date range to filter indicator values in iso8601 format. E.g. 2025-06-29T23:59:59.999+02:00. Defaults to the end of today.
timeAggregation
How to aggregate indicator values when grouping them by time. Accepted values: `sum`, `average`. Defaults to `sum`.
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Rfdez Pvpc Mcp Server is categorized under Finance & Fintech and uses a local stdio subprocess. In contrast, Optionsahoy Mcp belongs to Finance & Fintech using local stdio subprocess. Select Rfdez Pvpc Mcp Server when you need capabilities focused on finance & fintech and Optionsahoy Mcp when you require tools for finance & fintech.
Tells how to truncate data time series. Accepted values: `hour`, `day`, `month`, `year`. Optional parameter.
geographicalAggregation
How to aggregate indicator values when grouping them by geographical ID. Accepted values: `sum`, `average`. Defaults to `sum`.
geographicalIds
Tells the geographical IDs to filter indicator values. Accepted values: `3` (España), `8741` (Península), `8742` (Canarias), `8743` (Baleares), `8744` (Ceuta), `8745` (Melilla). Defaults to `8741`, `8742`, `8743`, `8744`, `8745`.
geographicalTruncation
Tells how to group data at geographical level when the geographical aggregation is informed. Accepted values: `country`, `electric_system`. Optional parameter.
Optionsahoy Mcp Tools (6)
Covers full federal tax code plus all 50 states and DC for 2026
Models AMT credit recovery and post-termination exercise windows
Includes FICA, NIIT, and state AMT for CA, CO, CT, MN
Protective put and zero-cost collar pricing via Black-Scholes
Validated against independent tax calculators and IRS constants
Input validation with clear error reporting and robust test coverage