tengu_v3_fundamentals_segments
Business + geographic SEGMENT breakdown for one company — decomposes a fiscal period into reportable segments by line of business, geography, ASC-280 operating segment and US state, each with sales, revenue, operating income and SIC, grouped by segment type. Call it to see WHERE a company earns: ...
This record as markdown: /tools/tengu-mcp/tengu-v3-fundamentals-segments.md
What tengu_v3_fundamentals_segments does on Tengu
AI agents call tengu_v3_fundamentals_segments 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 |
|---|---|---|---|
date | string | — | |
year | integer | — | |
limit | integer | — | |
stype | string | — | |
ticker | string | Yes | Path parameter 'ticker' (required). |
Parameters from the server's own tool schema.
Why tengu_v3_fundamentals_segments is rated Low
Even though tengu_v3_fundamentals_segments 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.
Attacks that exploit this kind of access
The rule that runs tengu_v3_fundamentals_segments 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_segments, this is the rule to start with:
tengu_v3_fundamentals_segments 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_segments call is checked against it from then on.
Questions about tengu_v3_fundamentals_segments
Business + geographic SEGMENT breakdown for one company — decomposes a fiscal period into reportable segments by line of business, geography, ASC-280 operating segment and US state, each with sales, revenue, operating income and SIC, grouped by segment type. Call it to see WHERE a company earns: revenue mix by region (e.g. Greater China share) or which line of business carries the margin. Internally keyed (the ticker is resolved via the point-in-time name master, most-recent row); the archive lags, so with no year/date it returns the LATEST available period and reports the datadate served. Values are in the reported currency, fundamentals's millions convention. It is categorised as a Read tool in the Tengu MCP Server, which means it retrieves data without modifying state.
tengu_v3_fundamentals_segments accepts 5 parameters: date, year, limit, stype, ticker. Required: ticker. 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_segments: 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_segments 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_segments 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_segments. 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_segments 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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