list_available_workflows

List tool metadata exposed by this server.

SERVERMcp Captcha Solver SOURCE2captcha/mcp-captcha-solver

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/2captcha-mcp-captcha-solver/list-available-workflows.md

WHAT IT DOES

What list_available_workflows does on Mcp Captcha Solver

AI agents call list_available_workflows 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.

RISK

Why list_available_workflows is rated Low

This tool merely enumerates or queries metadata about available tools on the MCP server. It performs no modifications, deletions, or external operations—it simply returns informational data. The blast radius of misuse is minimal (information disclosure about tool availability), hence low severity.

From the tool's definition Tool name 'list_available_workflows' and description 'List tool metadata exposed by this server' indicate a retrieval operation with no side effects. The verb 'list' is explicitly enumerated as a Read operation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_available_workflows 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 list_available_workflows, this is the rule to start with:

list_available_workflows Allowed

list_available_workflows is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_available_workflows": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Mcp Captcha Solver, apply this rule, and every list_available_workflows call is checked against it from then on.

FAQ

Questions about list_available_workflows

What does the list_available_workflows tool do? +

List tool metadata exposed by this server. It is categorised as a Read tool in the Mcp Captcha Solver MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_available_workflows? +

Register the Mcp Captcha Solver MCP server in PolicyLayer and add a rule for list_available_workflows: 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.

What risk level is list_available_workflows? +

list_available_workflows is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_available_workflows? +

Yes. Add a rate_limit block to the list_available_workflows 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.

How do I block list_available_workflows completely? +

Set action: deny in the PolicyLayer policy for list_available_workflows. 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.

What MCP server provides list_available_workflows? +

list_available_workflows 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.

KEEP EXPLORING

More on Mcp Captcha Solver, and thousands of servers like it.

This server

All 13 Mcp Captcha Solver tools →

Across the catalogue

list_symbols on ACE-MCP →aiva_list_affiliates on AIVA MCP Server →list_circuits on 0gzk → The MCP Attack Database →

Guides

Roll out MCP under one policy →Data exfiltration →MCP token cost →