Flippa MCP
Enables users to search, analyze, and evaluate online business listings on Flippa using AI-powered tools for valuation and market research. It provides detailed metrics, risk assessments, and comparable sales data without requiring an API key or account.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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flippa_analyze_listingAnalyze a Flippa listing's valuation, compute financial metrics, and assess risk. This is a computed tool that fetches listing data and calculates valuation metrics including revenue multiples, profit multiples, ROI estimates, and risk factors. Args: - listing_id: The Flippa listing ID to analyz…
flippa_comparable_salesFind comparable listings on Flippa for valuation comparison. If a listing_id is provided, fetches that listing first and uses its property_type and revenue range (0.5x-2x) to find similar listings. You can also search by property_type directly. Args: - listing_id: Find comparables for this listi…
flippa_get_listingGet full details for a specific Flippa listing by ID. Args: - listing_id: The Flippa listing ID (e.g., "12299903"). Required. - response_format: "markdown" (default) or "json" Returns: Complete listing details including price, revenue, profit, traffic stats, seller info, verification status,…
flippa_market_overviewGet aggregate market statistics from the Flippa marketplace. Queries listings across property types to build a market snapshot including total counts, price/revenue/profit statistics, and verification rates. Args: - property_type: Focus on a specific type (website, saas, ecommerce_store, etc.). …
flippa_search_listingsSearch and browse listings on the Flippa marketplace. Args: - property_type: Filter by type (website, saas, ecommerce_store, fba, ios_app, android_app, ai_apps_and_tools, youtube, newsletter, service, other) - status: Filter by status (open, closed, ended). Default: "open" - sale_method: Filt…
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
When Vitest UI server is listening, arbitrary file can be read and executed
axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`
axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge
Axios: Header Injection via Prototype Pollution
Allocation of Resources Without Limits or Throttling in Axios
FLIPPA_API_TOKENNo — Bearer token for future authenticated endpoints (watchlist, bidding)FLIPPA_BASE_URLNo https://flippa.com/v3 Override the Flippa API base URLAll four hints declared on every tool
5/5 tools missing one or more hints — flippa_analyze_listing (missing: idempotentHint, openWorldHint); flippa_comparable_sales (missing: idempotentHint, openWorldHint); flippa_get_listing (missing: openWorldHint), +2 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Production dependencies are patched
0 critical, 10 high severity in production deps — axios@1.13.5 (high), axios@1.13.5 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
Dev dependencies
1 critical/high in dev-only deps (does not ship to users)
Upgrade dev dependencies when convenient.
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