Zyberno stock valuation
Brina Gap valuation, screener and market score for US-listed stocks. SEC data, free, no key.
Connect it
Settings → Connectors → Add custom connector
URL: https://api.zyberno.com/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://api.zyberno.com/mcp{
"mcpServers": {
"zyberno": {
"url": "https://api.zyberno.com/mcp"
}
}
}claude mcp add --transport http zyberno https://api.zyberno.com/mcp{
"servers": {
"zyberno": {
"type": "http",
"url": "https://api.zyberno.com/mcp"
}
}
}6 tools, verified live
calculate_dcf_valueread-onlyRuns 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, with the terminal value from the Gordon Growth Model discounted back over the stage-one years. Use w
get_stock_valuationread-onlyReturns 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 together, the Zyberno quality score, and trailing twelve month fundamentals from SEC filings. Use w
get_us_market_valuationread-onlyReturns 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 whole, overall valuation levels, or whether US stocks broadly look expensive or cheap right now. Do not
list_flagged_stocksread-onlyReturns 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 negative, labelled value trap. Takes no parameters: the thresholds, sector exclusions and ranking are fixed
screen_stocksread-onlySearches 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 than asking about one company by name. Omit any filter you do not want applied; omitting all of them r
simulate_portfolio_outcomesread-onlyRuns 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 you supply. Use when the user asks about the range or probability of outcomes rather than a single pr
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