browser_extract_verification_json
Extract the visible verification JSON for the current demo shortcut flow.
This record as markdown: /tools/2captcha-mcp-captcha-solver/browser-extract-verification-json.md
What browser_extract_verification_json does on Mcp Captcha Solver
AI agents call browser_extract_verification_json to retrieve information from Mcp Captcha Solver without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why browser_extract_verification_json is rated Low
This tool retrieves/queries JSON data from the current browser page state without creating, modifying, deleting, or executing operations. It is a passive data extraction operation typical of Read category tools. The low severity reflects minimal risk even if misused—an agent could only read verification data already present, with no side effects on external systems or data integrity.
From the tool's definition Tool name 'extract_verification_json' and description 'Extract the visible verification JSON' indicate data retrieval with no modification. The term 'extract' combined with 'visible' confirms read-only operation on existing page state.
Attacks that exploit this kind of access
The rule that runs browser_extract_verification_json safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp Captcha Solver, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For browser_extract_verification_json, this is the rule to start with:
browser_extract_verification_json is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Mcp Captcha Solver, apply this rule, and every browser_extract_verification_json call is checked against it from then on.
Questions about browser_extract_verification_json
Extract the visible verification JSON for the current demo shortcut flow. It is categorised as a Read tool in the Mcp Captcha Solver MCP Server, which means it retrieves data without modifying state.
Register the Mcp Captcha Solver MCP server in PolicyLayer and add a rule for browser_extract_verification_json: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Mcp Captcha Solver. Nothing to install.
browser_extract_verification_json is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the browser_extract_verification_json rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for browser_extract_verification_json. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
browser_extract_verification_json is provided by the Mcp Captcha Solver MCP server (2captcha/mcp-captcha-solver). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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