{"id":"tadrianonet-go-mcp-server-financeiro","name":"go-mcp-server-financeiro","homepage":null,"repo_url":"https://github.com/tadrianonet/go-mcp-server-financeiro","category":"ai-ml","subcategories":[],"tags":["mcp","go","finance","alpha-vantage","agent-tools","http-api","prototype"],"what_it_does":"Provides a simple Model Context Protocol (MCP)-oriented server (implemented in Go) that lets clients register and list “financial tools”, query stock prices via the Alpha Vantage public API, and fetch server metadata via a /metadata endpoint.","use_cases":["Prototype an MCP-style tool registry for financial data actions","Have an agent dynamically discover and invoke a stock price lookup tool","Quick demo of integrating an agent-facing server with Alpha Vantage"],"not_for":["Production deployment requiring strong security controls and formal contracts","Use cases that need strict compliance, audit logging, or robust operational guarantees","High-scale trading/market data workloads beyond free-tier/public API limits"],"best_when":"You need a lightweight example/demo for MCP server structure and agent tool invocation backed by a public market data API.","avoid_when":"You require fine-grained authorization, documented rate-limit/error semantics, idempotent write guarantees, or a production-grade reliability profile.","alternatives":["Use the Alpha Vantage API directly from your application with your own tool/agent wrapper","Build a dedicated MCP server using a standard web framework plus OpenAPI and explicit auth/rate-limit handling","Use another market data provider with official SDKs and documented usage limits"],"af_score":35.5,"security_score":33.0,"reliability_score":21.2,"package_type":"mcp_server","discovery_source":["github"],"priority":"low","status":"evaluated","version_evaluated":null,"last_evaluated":"2026-04-04T19:45:19.570559+00:00","interface":{"has_rest_api":true,"has_graphql":false,"has_grpc":false,"has_mcp_server":true,"mcp_server_url":null,"has_sdk":false,"sdk_languages":[],"openapi_spec_url":null,"webhooks":false},"auth":{"methods":[],"oauth":false,"scopes":false,"notes":"The README shows API key usage only for Alpha Vantage via an .env file for the server itself. No client authentication/authorization mechanism is described for the server endpoints."},"pricing":{"model":null,"free_tier_exists":false,"free_tier_limits":null,"paid_tiers":[],"requires_credit_card":false,"estimated_workload_costs":null,"notes":"Alpha Vantage requires an API key and has its own pricing/free-tier model; the package itself does not describe pricing."},"requirements":{"requires_signup":true,"requires_credit_card":false,"domain_verification":false,"data_residency":[],"compliance":[],"min_contract":null},"agent_readiness":{"af_score":35.5,"security_score":33.0,"reliability_score":21.2,"mcp_server_quality":55.0,"documentation_accuracy":60.0,"error_message_quality":0.0,"error_message_notes":null,"auth_complexity":20.0,"rate_limit_clarity":10.0,"tls_enforcement":50.0,"auth_strength":20.0,"scope_granularity":0.0,"dependency_hygiene":40.0,"secret_handling":60.0,"security_notes":"No client auth is described for the server endpoints; secrets for Alpha Vantage are expected via .env, which is a reasonable pattern, but transport/security requirements (TLS, CORS, headers), input validation, and logging redaction are not documented.","uptime_documented":0.0,"version_stability":35.0,"breaking_changes_history":30.0,"error_recovery":20.0,"idempotency_support":"false","idempotency_notes":"A POST endpoint is described for registering tools, but idempotency semantics are not specified.","pagination_style":"none","retry_guidance_documented":false,"known_agent_gotchas":["Server rate limits and error responses are not documented; agents may need to implement conservative retries/backoff.","Tool registration appears dynamic, but behavior/constraints (duplicates, validation) are not described.","Alpha Vantage free-tier and API limits may affect availability/latency; the wrapper does not document how it handles throttling."]}}