tengu_v3_market_universe

Cross-process shared warm-set catalog plus the dedicated US-equity producer heartbeat, research-universe count, capacity and effective readiness. Warm means requested, not provider-confirmed.

SERVERTengu SOURCEHlobo-dev/tengu-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/tengu-mcp/tengu-v3-market-universe.md

WHAT IT DOES

What tengu_v3_market_universe does on Tengu

AI agents use tengu_v3_market_universe to create or update resources in Tengu, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Tengu environment.

RISK

Why tengu_v3_market_universe is rated Medium

An AI agent can call tengu_v3_market_universe faster than any human can review: one bad instruction and it creates or modifies resources in Tengu by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs tengu_v3_market_universe safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Tengu, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For tengu_v3_market_universe, this is the rule to start with:

tengu_v3_market_universe Rate-limited

tengu_v3_market_universe stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "tengu_v3_market_universe": {
      "limits": [
        {
          "counter": "tengu_v3_market_universe_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Tengu, apply this rule, and every tengu_v3_market_universe call is checked against it from then on.

FAQ

Questions about tengu_v3_market_universe

What does the tengu_v3_market_universe tool do? +

Cross-process shared warm-set catalog plus the dedicated US-equity producer heartbeat, research-universe count, capacity and effective readiness. Warm means requested, not provider-confirmed. It is categorised as a Write tool in the Tengu MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on tengu_v3_market_universe? +

Register the Tengu MCP server in PolicyLayer and add a rule for tengu_v3_market_universe: 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 Tengu. Nothing to install.

What risk level is tengu_v3_market_universe? +

tengu_v3_market_universe is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit tengu_v3_market_universe? +

Yes. Add a rate_limit block to the tengu_v3_market_universe 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 tengu_v3_market_universe completely? +

Set action: deny in the PolicyLayer policy for tengu_v3_market_universe. 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 tengu_v3_market_universe? +

tengu_v3_market_universe is provided by the Tengu MCP server (Hlobo-dev/tengu-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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