tengu_v3_credit_cds_history
Daily 5Y single-name CDS spread history: composite par spreads (raw + bps), market-implied default probability, average/implied agency rating. Call it for how default risk has trended (tengu_v3_credit is the one-call snapshot). Coverage 2005 to end-2025, 5Y tenor; tickers match the equity symbol ...
This record as markdown: /tools/tengu-mcp/tengu-v3-credit-cds-history.md
What tengu_v3_credit_cds_history does on Tengu
AI agents call tengu_v3_credit_cds_history 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 |
|---|---|---|---|
end | string | — | |
limit | integer | — | |
start | string | — | |
ticker | string | Yes | Path parameter 'ticker' (required). |
Parameters from the server's own tool schema.
Why tengu_v3_credit_cds_history is rated Low
Even though tengu_v3_credit_cds_history 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_credit_cds_history 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_credit_cds_history, this is the rule to start with:
tengu_v3_credit_cds_history 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_credit_cds_history call is checked against it from then on.
Questions about tengu_v3_credit_cds_history
Daily 5Y single-name CDS spread history: composite par spreads (raw + bps), market-implied default probability, average/implied agency rating. Call it for how default risk has trended (tengu_v3_credit is the one-call snapshot). Coverage 2005 to end-2025, 5Y tenor; tickers match the equity symbol for liquid US names (F, T, GE...). It is categorised as a Read tool in the Tengu MCP Server, which means it retrieves data without modifying state.
tengu_v3_credit_cds_history accepts 4 parameters: end, limit, start, 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_credit_cds_history: 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_credit_cds_history 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_credit_cds_history 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_credit_cds_history. 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_credit_cds_history 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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