Assembling MCP web data proxy workflows begins with designing the MCP server as the orchestration brain that knows which tools exist, which schemas they speak and which proxy-mediated routes they must use to reach the outside world, then encoding that knowledge into a configuration that LLM runtimes can consume. On the network side, a provider such as Gsocks supplies residential and datacenter egress pools, geo and ASN controls, and observability for calls that reach public web properties, while private APIs and internal services sit behind standard gateways; the MCP server sees them all as abstract tools whose base URLs, authentication methods and timeouts are centrally defined. On the data side, teams define schemas for the objects they want models to see – articles, prices, tickets, dashboards, metrics or knowledge base records – and implement lightweight adapter functions that translate between those internal schemas and the raw JSON or HTML returned through the proxy. An instruction and metadata layer complements this wiring by describing to the model when each tool should be used, what it costs, how fresh the data is likely to be and which safety or compliance constraints apply, so that routing decisions can be made inside the LLM while hard controls remain outside. Workflows are then expressed as compositions of tools – for example “search news, fetch top five articles, summarise, cross-check sentiment” – and the MCP server tracks each call, parameter and response through correlation IDs and logs, giving operators a clear view of where latency, failures or low quality data are entering the system and letting them tune proxy settings, schemas or tool descriptions without touching model weights.