buy_market_brief
Returns licensed ENTSO-E and SMARD spot-market context for compute, DePIN, battery and power-trading agents: published day-ahead prices, volatility, load, renewable share when available, the observed share of published negative-price hours, uncertainty, freshness and expiry.
This record as markdown: /tools/de-netzhandwerker-energy-research-hub/buy-market-brief.md
What buy_market_brief does on Netzhandwerker EU Power Dispatch API
AI agents call buy_market_brief to retrieve information from Netzhandwerker EU Power Dispatch API 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 |
|---|---|---|---|
region | string | Yes | |
use_case | string | Yes | |
horizon_hours | integer | Yes |
Parameters from the server's own tool schema.
Why buy_market_brief is rated Low
Even though buy_market_brief 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 buy_market_brief safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Netzhandwerker EU Power Dispatch API, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For buy_market_brief, this is the rule to start with:
buy_market_brief 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 Netzhandwerker EU Power Dispatch API, apply this rule, and every buy_market_brief call is checked against it from then on.
Questions about buy_market_brief
Returns licensed ENTSO-E and SMARD spot-market context for compute, DePIN, battery and power-trading agents: published day-ahead prices, volatility, load, renewable share when available, the observed share of published negative-price hours, uncertainty, freshness and expiry. It is categorised as a Read tool in the Netzhandwerker EU Power Dispatch API MCP Server, which means it retrieves data without modifying state.
buy_market_brief accepts 3 parameters: region, use_case, horizon_hours. Required: region, use_case, horizon_hours. The full parameter table on this page comes from the server's own tool schema.
Register the Netzhandwerker EU Power Dispatch API MCP server in PolicyLayer and add a rule for buy_market_brief: 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 Netzhandwerker EU Power Dispatch API. Nothing to install.
buy_market_brief 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 buy_market_brief 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 buy_market_brief. 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.
buy_market_brief is provided by the Netzhandwerker EU Power Dispatch API MCP server (https://energy.netzhandwerker.de/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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