MCP server

Zyberno stock valuation Official

com.zyberno/zyberno

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Brina Gap valuation, screener and market score for US-listed stocks. SEC data, free, no key.

Website

At a glance

Type

MCP server

Publisher

zyberno.com (verified by the MCP Registry)

Status

Working at last check

Tools

6

Token cost

About 4,501 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http zyberno https://api.zyberno.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.zyberno]
url = "https://api.zyberno.com/mcp"

Gemini CLI

{"mcpServers":{"zyberno":{"httpUrl":"https://api.zyberno.com/mcp"}}}

Cursor

{"mcpServers":{"zyberno":{"url":"https://api.zyberno.com/mcp"}}}

VS Code

{"servers":{"zyberno":{"type":"http","url":"https://api.zyberno.com/mcp"}}}

Antigravity

agy mcp add zyberno https://api.zyberno.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"zyberno","server_url":"https://api.zyberno.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"zyberno","server_url":"https://api.zyberno.com/mcp"}

Tools

• calculate_dcf_value ~653 tokens
  Runs a two-stage discounted cash flow on numbers you provide and returns the fair value per share, the margin of safety against the price you gave, and how much of the value sits in the terminal stage. Cash flow grows at your growth rate for the stage-one years, then forever at your terminal rate, w
• get_stock_valuation ~452 tokens
  Returns Zyberno's stored valuation record for a single US-listed company: Margin of Safety against a discounted cash flow estimate, the Brina Gap (the growth rate the business can fund from its own returns minus the growth rate its current price implies), the Brina Matrix quadrant those two produce
• get_us_market_valuation ~205 tokens
  Returns the Zyberno Market Valuation Score, a single 0 to 100 reading of how expensive the US equity market is relative to its own history, combining the Buffett Indicator, the Shiller PE, the 10 year minus 2 year Treasury curve and the Baa credit spread. Use for questions about the market as a who
• list_flagged_stocks ~269 tokens
  Returns the two lists Zyberno publishes each month from one fixed screen. The first holds companies where the Margin of Safety and the Brina Gap both read as undervalued, labelled Double Discount. The second holds companies that look cheap on trailing earnings power while the Brina Gap reads negativ
• screen_stocks ~2222 tokens
  Searches Zyberno's database of roughly 10,000 US-listed companies and returns those matching the numeric criteria you supply, ranked by a field you choose. All metrics are computed from SEC filings. Use when the user wants to find, filter, rank, or count companies by their characteristics rather th
• simulate_portfolio_outcomes ~700 tokens
  Runs a Monte Carlo simulation over a portfolio balance and returns the distribution of possible end values: percentiles, mean, median, and if you give a goal amount, the share of simulated paths that reached it. Returns are drawn from a normal distribution using the expected return and volatility yo

Browse

• Databases
• News
• Stocks and markets

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