{"id":"calvernaz-alphavantage","name":"alphavantage","af_score":56.2,"security_score":73.2,"reliability_score":26.2,"what_it_does":"Provides a Model Context Protocol (MCP) server that exposes Alpha Vantage stock/market data as MCP tools. Can run as an stdio MCP server (default) or as an HTTP “streamable” MCP server, with optional OAuth 2.1 protection for the HTTP mode. Uses an Alpha Vantage API key via environment variable `ALPHAVANTAGE_API_KEY`.","best_when":"You want MCP tool access to Alpha Vantage data, and either (a) you run an MCP client that supports stdio or (b) you want an HTTP server with optional OAuth for protection.","avoid_when":"You cannot or do not want to manage Alpha Vantage API keys, or you need guaranteed consistent throughput/uptime guarantees not documented in the provided materials.","last_evaluated":"2026-03-30T13:51:40.446785+00:00","has_mcp":true,"has_api":false,"auth_methods":["API key via environment variable ALPHAVANTAGE_API_KEY (to call Alpha Vantage)","OAuth 2.1 Bearer tokens for MCP requests in HTTP mode (optional, MCP spec-aligned)"],"has_free_tier":false,"known_gotchas":["Alpha Vantage API rate limits and response shapes are not described in the provided content; agent retries/rate handling may need to be implemented client-side depending on Alpha Vantage limits.","For HTTP mode, OAuth requires additional environment variables and proper client-side token handling (401/403, refresh flow).","Stdio vs HTTP: some MCP clients expect stdio; others can use the HTTP server. Ensure correct mode for the target MCP client."],"error_quality":0.0}