tengu_v3_fundamentals_screener
Multi-filter stock screener combining profitability (ROE, ROA, net margin), growth (revenue, EPS), financial-health (debt/equity, current ratio) and dividend filters, with sector/industry scoping and sort control. PRIMARY tool for 'find me stocks that…' asks; ready-made strategies live in /fundam...
This record as markdown: /tools/tengu-mcp/tengu-v3-fundamentals-screener.md
What tengu_v3_fundamentals_screener does on Tengu
AI agents call tengu_v3_fundamentals_screener to retrieve information from Tengu without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
page | integer | — | |
limit | integer | — | |
sector | string | — | |
roa_min | number | — | |
roe_max | number | — | |
roe_min | number | — | |
sort_by | string | — | |
industry | string | — | |
sort_order | string | — | |
eps_growth_min | number | — | |
net_margin_min | number | — | |
payout_ratio_max | number | — |
Parameters from the server's own tool schema.
Why tengu_v3_fundamentals_screener is rated Low
Even though tengu_v3_fundamentals_screener only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Risk signalsHigh parameter count (16 properties)
Attacks that exploit this kind of access
The rule that runs tengu_v3_fundamentals_screener 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_fundamentals_screener, this is the rule to start with:
tengu_v3_fundamentals_screener 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 Tengu, apply this rule, and every tengu_v3_fundamentals_screener call is checked against it from then on.
Questions about tengu_v3_fundamentals_screener
Multi-filter stock screener combining profitability (ROE, ROA, net margin), growth (revenue, EPS), financial-health (debt/equity, current ratio) and dividend filters, with sector/industry scoping and sort control. PRIMARY tool for 'find me stocks that…' asks; ready-made strategies live in /fundamentals/screener/presets. It is categorised as a Read tool in the Tengu MCP Server, which means it retrieves data without modifying state.
tengu_v3_fundamentals_screener accepts 12 parameters: page, limit, sector, roa_min, roe_max, roe_min, sort_by, industry, sort_order, eps_growth_min, net_margin_min, payout_ratio_max. The full parameter table on this page comes from the server's own tool schema.
Register the Tengu MCP server in PolicyLayer and add a rule for tengu_v3_fundamentals_screener: 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.
tengu_v3_fundamentals_screener 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 tengu_v3_fundamentals_screener 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 tengu_v3_fundamentals_screener. 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.
tengu_v3_fundamentals_screener 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.
More on Tengu, and thousands of servers like it.
This server
Across the catalogue