Diagnoses MCP server OAuth sign-in failures by walking discovery, metadata, issuer, PKCE, registration, and redirect steps for clients including Claude, ChatGPT, VS Code, and Cursor.
Prices and medians update for the tier you select.
Ranked by how closely each one matches MCP OAuth Doctor's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.