crewai - ✅(Solved) Fix [FEATURE] Mobile Proxy Tool Integration (Proxies.sx) - Real 4G/5G IPs with x402 USDC payments [1 pull requests, 2 comments, 2 participants]

crewai2026-02-19 07:54:41

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crewAIInc/crewAI#4515•Fetched 2026-04-08 00:41:38

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Fix Action

Solution

Two integration paths:

1. MCP Server (works today with CrewAI's native MCP support):

from crewai import Agent

agent = Agent(
    role="Web Researcher",
    goal="Research market data using authentic mobile connections",
    mcps=[{
        "url": "npx @proxies-sx/mcp-server"
    }]
)
# Agent gets access to: get_proxy, rotate_ip, check_status

For browser automation with antidetect capabilities:

agent = Agent(
    role="Browser Agent",
    goal="Navigate websites undetected with stealth browser",
    mcps=[{
        "url": "npx @proxies-sx/browser-mcp"
    }]
)
# Agent gets access to 11 browser tools: browser_create, browser_go,
# browser_click, browser_type, browser_see, browser_wait,
# browser_extract, browser_save, browser_profile_list,
# browser_profile_delete, browser_end

2. Native ProxiesSxTool (proposed — similar to FirecrawlSearchTool):

from crewai_tools import ProxiesSxProxyTool, ProxiesSxBrowserTool

proxy_tool = ProxiesSxProxyTool(country="US")
browser_tool = ProxiesSxBrowserTool()

agent = Agent(
    role="Stealth Researcher",
    tools=[proxy_tool, browser_tool]
)

PR fix notes

PR #4727: feat(tools): add Proxies.sx MCP tool wrappers (#4515)

Repository: crewAIInc/crewAI
Author: yuweuii
State: closed | merged: False
Link: https://github.com/crewAIInc/crewAI/pull/4727

Description (problem / solution / changelog)

Summary

This PR implements issue #4515.

Scope: [FEATURE] Mobile Proxy Tool Integration (Proxies.sx) - Real 4G/5G IPs with x402 USDC payments
Source branch: yuweuii:codex/issue-4515
Commit: d04764bf

Linked Issue

Closes #4515

[!NOTE] Medium Risk Introduces new MCP-backed tools that execute external npx commands and manage long-lived adapter processes, which could impact runtime environments and resource cleanup if misconfigured. Core existing tool behavior is largely unchanged aside from new exports and docs.

Overview Adds native ProxiesSxProxyTool and ProxiesSxBrowserTool wrappers around Proxies.sx MCP servers, dispatching a fixed set of proxy and browser actions through MCPServerAdapter, with lazy initialization, adapter reuse, and explicit close() cleanup.

Exports the new tools from crewai_tools/crewai_tools.tools, adds unit tests validating action dispatch, default country injection, error handling for unsupported actions, and adapter lifecycle behavior, and updates docs to list and describe the new Proxies.sx tools in the web-scraping section.

<sup>Written by Cursor Bugbot for commit 47107ea606072dbca7ae74079c6d22ef05e641e6. This will update automatically on new commits. Configure here.</sup>

Changed files

docs/en/concepts/tools.mdx (modified, +2/-0)
docs/en/tools/web-scraping/overview.mdx (modified, +5/-0)
docs/en/tools/web-scraping/proxiessxtool.mdx (added, +59/-0)
lib/crewai-tools/src/crewai_tools/__init__.py (modified, +6/-0)
lib/crewai-tools/src/crewai_tools/tools/__init__.py (modified, +6/-0)
lib/crewai-tools/src/crewai_tools/tools/proxies_sx_tool/README.md (added, +33/-0)
lib/crewai-tools/src/crewai_tools/tools/proxies_sx_tool/__init__.py (added, +7/-0)
lib/crewai-tools/src/crewai_tools/tools/proxies_sx_tool/proxies_sx_tool.py (added, +177/-0)
lib/crewai-tools/tests/tools/test_proxies_sx_tool.py (added, +103/-0)

Code Example

from crewai import Agent

agent = Agent(
    role="Web Researcher",
    goal="Research market data using authentic mobile connections",
    mcps=[{
        "url": "npx @proxies-sx/mcp-server"
    }]
)
# Agent gets access to: get_proxy, rotate_ip, check_status

---

agent = Agent(
    role="Browser Agent",
    goal="Navigate websites undetected with stealth browser",
    mcps=[{
        "url": "npx @proxies-sx/browser-mcp"
    }]
)
# Agent gets access to 11 browser tools: browser_create, browser_go,
# browser_click, browser_type, browser_see, browser_wait,
# browser_extract, browser_save, browser_profile_list,
# browser_profile_delete, browser_end

---

from crewai_tools import ProxiesSxProxyTool, ProxiesSxBrowserTool

proxy_tool = ProxiesSxProxyTool(country="US")
browser_tool = ProxiesSxBrowserTool()

agent = Agent(
    role="Stealth Researcher",
    tools=[proxy_tool, browser_tool]
)

RAW_BUFFERClick to expand / collapse

Feature Area

Integration with external tools

Problem

AI agents performing web research, scraping, or multi-account workflows through CrewAI frequently get blocked by anti-bot systems. Existing tools (BrowserbaseLoadTool, SeleniumScrapingTool, FirecrawlSearchTool, StagehandTool) don't include mobile proxy infrastructure. Agents need real mobile carrier IPs to:

Bypass sophisticated anti-bot detection that blocks datacenter and residential proxy ranges
Access geo-specific mobile content (mobile SERPs differ significantly from desktop)
Maintain persistent browser identities across sessions with real carrier IP binding

Solution

Two integration paths:

1. MCP Server (works today with CrewAI's native MCP support):

from crewai import Agent

agent = Agent(
    role="Web Researcher",
    goal="Research market data using authentic mobile connections",
    mcps=[{
        "url": "npx @proxies-sx/mcp-server"
    }]
)
# Agent gets access to: get_proxy, rotate_ip, check_status

For browser automation with antidetect capabilities:

agent = Agent(
    role="Browser Agent",
    goal="Navigate websites undetected with stealth browser",
    mcps=[{
        "url": "npx @proxies-sx/browser-mcp"
    }]
)
# Agent gets access to 11 browser tools: browser_create, browser_go,
# browser_click, browser_type, browser_see, browser_wait,
# browser_extract, browser_save, browser_profile_list,
# browser_profile_delete, browser_end

2. Native ProxiesSxTool (proposed — similar to FirecrawlSearchTool):

from crewai_tools import ProxiesSxProxyTool, ProxiesSxBrowserTool

proxy_tool = ProxiesSxProxyTool(country="US")
browser_tool = ProxiesSxBrowserTool()

agent = Agent(
    role="Stealth Researcher",
    tools=[proxy_tool, browser_tool]
)

Key Differentiators

Real 4G/5G mobile IPs — 155+ physical modems across US, DE, GB, FR, ES, PL (not datacenter or residential)
x402 micropayments — Agents pay per-GB with USDC on Base/Solana, no API keys or accounts needed
Antidetect browser — Cloud Chrome stealth (nodriver) with auto-allocated mobile proxy (~$0.005/min)
Identity Bundles — Save/restore complete browser identity (cookies + localStorage + fingerprint + proxy binding)
IP rotation — Real airplane mode toggle on physical devices for new carrier IPs
MCP servers already published: @proxies-sx/mcp-server, @proxies-sx/browser-mcp on npm

Alternatives Considered

BrowserbaseLoadTool — no mobile proxy IPs, datacenter only
SeleniumScrapingTool — no proxy infrastructure included
FirecrawlSearchTool — managed proxies but not mobile carrier IPs
Manual proxy configuration — no agent-friendly payment or provisioning

Willingness to Contribute

Happy to submit a PR implementing ProxiesSxProxyTool and ProxiesSxBrowserTool following the crewai_tools pattern.

extent analysis

Fix Plan

To integrate mobile proxy infrastructure into CrewAI, follow these steps:

Option 1: MCP Server

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crewai - ✅(Solved) Fix [FEATURE] Mobile Proxy Tool Integration (Proxies.sx) - Real 4G/5G IPs with x402 USDC payments [1 pull requests, 2 comments, 2 participants]

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PR fix notes

PR #4727: feat(tools): add Proxies.sx MCP tool wrappers (#4515)

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crewai - ✅(Solved) Fix [FEATURE] Mobile Proxy Tool Integration (Proxies.sx) - Real 4G/5G IPs with x402 USDC payments [1 pull requests, 2 comments, 2 participants]

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Fix Action

Solution

PR fix notes

PR #4727: feat(tools): add Proxies.sx MCP tool wrappers (#4515)

Description (problem / solution / changelog)

Summary

Linked Issue

Changed files

Code Example

Feature Area

Problem

Solution

Key Differentiators

Alternatives Considered

Willingness to Contribute

Links

extent analysis

Fix Plan

Still need to ship something?

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