QuantConnect vs open-tax
QuantConnect is an MCP server published by QuantConnect. Marketplaces we read that list it: 1 (Docker MCP Catalog). open-tax is a plugin bundle for AI coding tools published by tugberkgoc. Marketplaces we read that list it: 1 (Claude Code: claude-plugins-community). As of our marketplace pass on 2026-10-13. This pair was picked by a reader, not by our comparison rule, so search engines are asked not to index the page.
Where each is published
| Marketplace |  QuantConnect |  open-tax |
|---|---|---|
| Docker MCP Catalog | Listed Version: sha256:f96cc99e83a0 Forks (GitHub): 33 Pulls (Docker Hub): 36 158 Stars (Docker Hub): 1 Stars (GitHub): 79 Not marked · First seen |
Not listed |
| Claude Code: claude-plugins-community | Not listed | Listed Version: 0.1.0 Forks (GitHub): 0 Stars (GitHub): 1 Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | QuantConnect | open-tax |
|---|---|---|
| Marketplaces that list it | 1 | 1 |
| Stars (GitHub) (differs) | 79 (better) | 1 (worse) |
| Pulls (Docker Hub) (differs) | 36 158 | No figure on Docker Hub |
| Forks (GitHub) (differs) | 33 (better) | 0 (worse) |
| Last release | Not published | Not published |
| Where it runs (differs) | On your machine (mcp/quantconnect) | Installs as a plugin bundle |
| Transport (differs) | stdio | Not stated |
| Tools it declares (differs) | 64 | Not published |
| Environment variables it asks for (differs) | 3, secrets among them: 0 | Not published |
| Parts of the bundle (differs) | Not a bundle | 7 |
| Licence (differs) | Apache-2.0 | MIT |
| Repository (differs) | github.com/quantconnect/mcp-server | github.com/tugberkgoc/open-tax |
| Changes in the last 7 days | 0 | 0 |
| First seen | 2026-10-11 | 2026-10-11 |
Lines where the two differ have a tinted background and bold values. Where the data itself says which value is better (more marketplaces, a larger figure of the same marketplace, a fresher release, a verified mark on a marketplace that lists both), the better one is also marked green with ▲ and the worse one red with ▼. Where it runs, the transport, the tools, the settings, hooks, the bundle's parts, the licence and the week's changes are marked only as different: more or fewer is not better in itself.
What each says it does
QuantConnect
The QuantConnect MCP Server is a bridge for AIs (such as Claude and OpenAI o3 Pro) to interact with our cloud platform. When equipped with our MCP, the AI can perform tasks on your behalf through our API such as updating projects, writing strategies, backtesting, and deploying strategies to production live-trading.
open-tax
Free, open-source US federal tax preparation assistant for Claude Code. Drop your W-2s, 1099s, and crypto exchange CSVs into the workspace — Open Tax parses them, computes your federal tax liability with full bracket breakdowns, handles capital gains (Form 8949), backdoor Roth IRA (Form 8606), excess Social Security tax, and crypto staking income. It runs sanity checks, suggests missed deductions, and exports ready-to-import files for FreeTaxUSA or TurboTax. 100% local and private — no tax data ever leaves your machine. Zero pip dependencies — Python stdlib only.
How to run each
QuantConnect As a local MCP server: Docker image
claude mcp add --transport stdio quantconnect -- docker run -i --rm mcp/quantconnectopen-tax As a Claude Code plugin
/plugin marketplace add anthropics/claude-plugins-community
/plugin install open-tax@claude-communityCommands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
The marketplaces of open-tax publish no list of tools, so we do not compare tools.
Settings each asks for
The marketplaces of open-tax publish no settings it asks for, so we do not compare settings.
What it can do: QuantConnect · What it can do: open-tax · Compare two other plugins
Data comes from the Docker MCP Catalog (desktop.docker.com/mcp/catalog) and Docker Hub. Data comes from the public marketplace file https://github.com/anthropics/claude-plugins-community/blob/HEAD/.claude-plugin/marketplace.json. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.