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find_local_installers

Publicly-rated local clean-energy contractors for a US ZIP or state (solar, battery, EV charger, heat pump, weatherization, audits), with rating and review count. Free. Use when a homeowner asks WHO can do the work near them. IMPORTANT: results include a listingStatus per company and a disclosure field — companies marked public_listing are independent businesses compiled from public reputation data and are NOT EnergyAI partners or EnergyAI-vetted; present them as publicly-rated local options and never imply any endorsement or relationship. Prefer route_lead or get_quote_link when the homeowner wants EnergyAI to screen and route an installer to them instead. [always free — no API key required]

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
stateNoTwo-letter US state code. Use instead of zipCode for a statewide list.
apiKeyNoOptional existing EnergyAI key for hosts that cannot change Authorization headers. Use it to retain account identity for discovery and get_builder_upgrade_link after a trial. Removed before tool execution and persistence. Omit when the Bearer header is attached; never show the key to the user.
zipCodeNo5-digit US ZIP of the property (ZIP+4 accepted). US-only today.
contractorCategoryNoOptional filter: solar_installation | battery_storage | ev_charger | energy_audit | insulation_weatherization | heat_pump

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • addedInput schema / properties / apiKey
      Added value: +{
      +  "description": "Optional existing EnergyAI key for hosts that cannot change Authorization headers. Use it to retain account identity for discovery and get_builder_upgrade_link after a trial. Removed before tool execution and persistence. Omit when the Bearer header is attached; never show the key to the user.",
      +  "type": "string"
      +}
  2. Added

TDQS

A4.6/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full behavioral burden and does so well: it discloses cost ('Free'), auth ('no API key required'), the output shape (listingStatus per company, a disclosure field, rating and review count), and a critical compliance constraint that public_listing companies are not EnergyAI partners and must never be presented as endorsed. That is substantive context an agent could not derive from the schema.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Front-loaded with purpose, then usage, then the high-stakes IMPORTANT constraint, which is the right ordering. Content is dense and earns its space, but 'Free.' and the trailing '[always free — no API key required]' restate the same fact, a minor redundancy in an otherwise tight definition.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

There is no output schema, and the description compensates by naming the relevant returned fields (listingStatus, disclosure, rating and review count) and by covering auth and the alternative-tool path. Nothing an agent needs to call this correctly or interpret its results responsibly is missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so zipCode, state, apiKey, and contractorCategory are already fully documented in the schema. The description reiterates the category list and the ZIP-or-state choice but adds no syntax, format, or precedence detail beyond what the structured schema provides, so the baseline of 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific resource ('Publicly-rated local clean-energy contractors') with its scope ('for a US ZIP or state') and enumerates the covered categories (solar, battery, EV charger, heat pump, weatherization, audits). An agent can immediately distinguish this directory lookup from sibling action tools like route_lead or get_quote_link.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Gives an explicit trigger ('Use when a homeowner asks WHO can do the work near them') and an explicit routing alternative ('Prefer route_lead or get_quote_link when the homeowner wants EnergyAI to screen and route an installer'). The condition that selects the sibling is named, so no inference is required.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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