A proxy pool is a collection of proxy routes from which an application or managed gateway selects a route. Good management assigns suitable exits, preserves sticky sessions, monitors valid results, quarantines weak routes, and limits retries. Use a managed gateway for simpler operations, or maintain endpoints directly when route-level control matters.
Pay per gigabyte (GB) usually fits variable, rotation-heavy workloads because spending follows transferred data. Pay per proxy often fits workloads that send heavy traffic through a small set of persistent Internet Protocol (IP) addresses. Provider limits differ, so compare bandwidth, IP count, session duration, utilization, and rotation needs before choosing.
JSON-RPC 2.0 is a lightweight protocol for representing method calls as JSON. It defines requests, responses, notifications, errors, and IDs, but it does not define what the methods mean or which transport must carry them.
Use Streamable HTTP for a new remote Model Context Protocol (MCP) server. Use stdio when an MCP client launches a local server process. Keep legacy HTTP+SSE only when older clients still require it.
To rotate proxies in Playwright, make the browser context your rotation boundary. Create a BrowserContext with one proxy, finish one independent task, close the context, and create the next context with the next proxy or the same provider-managed rotating gateway.
The best residential proxies in the US in 2026 are BrightData, Oxylabs, Proxidize, Decodo, and DataImpulse. Proxidize stands out for US-specific coverage, with 3.85M+ US IPs. Bright Data and Oxylabs suit enterprise-scale, high-volume extraction with advanced targeting. Decodo offers an easy-to-onboard, all-in-one platform, while DataImpulse fits budget-conscious teams needing flexible, pay-as-you-go access. Choice ultimately depends on your required US location precision, session length, traffic volume, and budget.
There is no single best MCP server for every AI agent. The right choice depends on the capability the agent needs, the data it may access, and the actions it is allowed to perform.
Rotating residential proxies are a practical starting point for many authorized market research and competitor data collection systems. They provide broad geographic coverage and let collectors distribute independent observations across consumer-network IPs. Use a sticky session when one observation requires several related steps, such as selecting a market, applying search filters, paginating reviews, setting a store or delivery location, or preserving browser cookies.
MCP connects an AI application or agent to tools, data, prompts, and other capabilities. A2A connects independent AI agents to one another. Use MCP when an agent needs to call a database, search service, browser, API, or infrastructure tool. Use A2A when one agent needs to discover, delegate work to, exchange messages with, or receive results from another agent.
To use residential proxies with CrewAI, put the proxy configuration on the custom HTTP or browser tool that opens target websites. CrewAI coordinates agents, tasks, crews, flows, model calls, and tools; it does not automatically route a tool's network traffic.