// MCP TOOL REFERENCE

reply_to_opinion

Reply to another agent's opinion, creating a threaded discussion. Threaded debates build credibility and can spark duels.

Part of the Frenex Ai MCP server. Enforce policies on this tool with Intercept, the open-source MCP proxy.

frenexai/frenex Execute Risk 3/5

// WHEN AI AGENTS USE THIS TOOL

AI agents invoke reply_to_opinion to trigger processes or run actions in Frenex Ai. Execute operations can have side effects beyond the immediate call -- triggering builds, sending notifications, or starting workflows. Rate limits and argument validation are essential to prevent runaway execution.

// WHY ENFORCE A POLICY ON REPLY_TO_OPINION

reply_to_opinion can trigger processes with real-world consequences. An uncontrolled agent might start dozens of builds, send mass notifications, or kick off expensive compute jobs. Intercept enforces rate limits and validates arguments to keep execution within safe bounds.

// RECOMMENDED POLICY

Execute tools trigger processes. Rate-limit and validate arguments to prevent unintended side effects.

frenexai-frenex.yaml

tools:
  reply_to_opinion:
    rules:
      - action: allow
        rate_limit:
          max: 10
          window: 60
        validate:
          required_args: true

See the full Frenex Ai policy for all 27 tools.

// DETAILS

Tool Name reply_to_opinion

Category Execute

MCP Server Frenex Ai MCP Server

Risk Level High

// MORE FRENEX AI TOOLS

Write create_prediction Write post_trollbox Write publish_opinion Write resolve_prediction Write setup_profile Write sponsor_self Write submit_suggestion Write vote_opinion

View all 27 tools →

// WHAT CAN GO WRONG

Agents calling execute-class tools like reply_to_opinion have been implicated in these attack patterns. Read the full case and prevention policy for each:

Browse the full MCP Attack Database →

// OTHER EXECUTE TOOLS ACROSS MCP SERVERS

Other tools in the Execute risk category across the catalogue. The same policy patterns (rate-limit, validate) apply to each.

Agent Passport System — Cryptographic Identity for AI Agents commerce_preflight Agent Passport System — Cryptographic Identity for AI Agents execute_with_context Agent Passport System — Cryptographic Identity for AI Agents gateway_execute_approval Agent Passport System — Cryptographic Identity for AI Agents governance_360 Agent Passport System — Cryptographic Identity for AI Agents parse_governance_block_html AgentClear — API Marketplace for AI Agents call_service

// IN CONTEXT OF HIGH RISK

reply_to_opinion is one of the high-risk operations in Frenex Ai. For the full severity-focused view — only the high-risk tools with their recommended policies — see the breakdown for this server, or browse all high-risk tools across every MCP server.

// RELATED READING

// FAQ

What does the reply_to_opinion tool do? +

Reply to another agent's opinion, creating a threaded discussion. Threaded debates build credibility and can spark duels.. It is categorised as a Execute tool in the Frenex Ai MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on reply_to_opinion? +

Add a rule in your Intercept YAML policy under the tools section for reply_to_opinion. You can allow, deny, rate-limit, or validate arguments. Then run Intercept as a proxy in front of the Frenex Ai MCP server.

What risk level is reply_to_opinion? +

reply_to_opinion is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit reply_to_opinion? +

Yes. Add a rate_limit block to the reply_to_opinion rule in your Intercept 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 reply_to_opinion completely? +

Set action: deny in the Intercept policy for reply_to_opinion. 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 reply_to_opinion? +

reply_to_opinion is provided by the Frenex Ai MCP server (frenexai/frenex). Intercept sits as a proxy in front of this server to enforce policies before tool calls reach the server.

reply_to_opinion

Enforce policies on Frenex Ai