In-depth architectural comparison of the IBKR Portfolio Builder and Next Devtools 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
IBKR Portfolio Builder
Developer Tools · Remote HTTP/SSE
Quality: 51/100 (Good) | Auth: No auth required
Next Devtools MCP
Developer Tools · Local stdio
Quality: 84/100 (Excellent) | Auth: No auth required
Verdict Summary: Choose IBKR Portfolio Builder if you need specialized Developer Tools tools running via a hosted cloud SSE transport. Choose Next Devtools MCP if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose IBKR Portfolio Builder when:
You need dedicated capabilities in the Developer Tools domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Official Next.js MCP server for coding agents. Provides runtime diagnostics, route inspection, dev server logs, docs search, and upgrade guides. Requires Next.js 16+ dev server for full runtime features.
Category & Scope
Tools & Capabilities Breakdown
IBKR Portfolio Builder Tools (15)
ib_account_summary
NetLiquidation / BuyingPower / TotalCashValue / AvailableFunds / UnrealizedPnL for the connected paper or live account.
ib_positions
Open positions across managed accounts, with quantity / avg cost / mark-to-market / unrealized PnL.
ib_open_orders
Currently working orders with status, filled / remaining quantity, average fill price.
ib_trades
Recent executed fills (`days_back` window, IBKR caps history ~7 days).
ib_price_snapshot
Current bid / ask / last / high / low / volume for a US stock. Surfaces IBKR market-data restriction messages clearly.
ib_price_history
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).
IBKR Portfolio Builder is categorized under Developer Tools and uses a remote streaming HTTP/SSE transport. In contrast, Next Devtools MCP belongs to Developer Tools using local stdio subprocess. Select IBKR Portfolio Builder when you need capabilities focused on developer tools and Next Devtools MCP when you require tools for developer tools.
OHLCV bars for any duration / bar size (`1 day`, `1 hour`, `5 mins`, ...). Always works regardless of market-data subscription.
ib_search_contracts
Fuzzy-search IBKR's contract database by name / partial ticker.
ib_contract_details
Full contract metadata — `long_name`, `industry`, `category`, `subcategory`, trading hours, valid exchanges. **The hook for sector-aware top-down screening.
ib_scan_catalog
The typed scan catalog. Filter by `category`, `strategy`, `instrument`, free-text `query`; optionally return the full list of available categories + strategies via `list_meta=true`.
ib_filter_catalog
Filter parameter codes grouped by category (`price`, `volume`, `market_cap`, `fundamentals`, `technical`, `options`), with an instrument applicability note.
ib_screener_codes
Substring search over the raw `scan-parameters.xml` codes (legacy / fallback). Useful for newer vendor codes not yet in the curated catalog.
ib_screener
Run an IBKR scan — pass `scan_code`, `instrument`, `location`, optional price / volume filters. Returns rank + ticker + exchange.
+3 more tools listed on main page
Next Devtools MCP Tools (4)
nextjs_index
Discover running Next.js dev servers and list each one's runtime MCP tools.
nextjs_call
Call a runtime tool on a discovered server (errors, routes, logs, Server Actions).
nextjs_docs
Gateway.** Point the agent at version-accurate docs in `node_modules/next/dist/docs/`.
browser_eval
Gateway.** Point the agent at the [`agent-browser`](https://github.com/vercel-labs/agent-browser) CLI for browser automation.