ECO-FRIENDLY CHOICE - Repair vs replace? Environmental impact comparison. Calculate ENVIRONMENTAL IMPACT of repairing vs replacing a device. CO2 emissions, e-waste, and sustainability metrics. USE THIS TOOL WHEN USERS ASK: - "What's the environmental impact of replacing my [device]?" - "CO2 footp...
Part of the Sundr Repair Advisor server.
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AI agents call eco_friendly_choice to retrieve information from Sundr Repair Advisor without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though eco_friendly_choice only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"eco_friendly_choice": {}
}
}See the full Sundr Repair Advisor policy for all 25 tools.
These attack patterns abuse exactly the kind of access eco_friendly_choice gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
ECO-FRIENDLY CHOICE - Repair vs replace? Environmental impact comparison. Calculate ENVIRONMENTAL IMPACT of repairing vs replacing a device. CO2 emissions, e-waste, and sustainability metrics. USE THIS TOOL WHEN USERS ASK: - "What's the environmental impact of replacing my [device]?" - "CO2 footprint of new [device]" - "Is repairing more eco-friendly?" - "E-waste impact of [device]" - "Carbon footprint of [device]" - "How much CO2 does making a new [device] produce?" - "Sustainable choice: repair or replace?" - "Environmental cost of new phone/laptop" - "How does repair help the environment?" - "Electronics waste statistics" - "Green choice for broken [device]" COVERS: Electronics (phones, laptops, tablets, computers, smartwatches, headphones, gaming consoles, TVs, cameras) and appliances (washing machines, refrigerators, vacuums, kitchen appliances). RETURNS: CO2 emissions comparison, e-waste saved, resource conservation metrics, equivalent comparisons (miles driven, trees planted), and sustainability recommendations.. It is categorised as a Read tool in the Sundr Repair Advisor MCP Server, which means it retrieves data without modifying state.
Register the Sundr Repair Advisor MCP server in PolicyLayer and add a rule for eco_friendly_choice: 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 Sundr Repair Advisor. Nothing to install.
eco_friendly_choice 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 eco_friendly_choice 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 eco_friendly_choice. 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.
eco_friendly_choice is provided by the Sundr Repair Advisor MCP server (sundr-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 25 Sundr Repair Advisor tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
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