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scout.purchase_lead

Purchase a single seller-signal lead from the Scout MCP marketplace. Deducts the per-lead price from your pre-paid credit balance and returns the full owner contact + property details. Idempotent — calling with a lead_id you've already purchased returns the same data without a second charge. Requires 'buy_leads' scope and a positive balance (top up at scout.realestate/partners/mcp/credits).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
lead_idYesUUID returned from scout.search_leads.

TDQS

A4.4/5.0
Behavior4/5

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

No annotations provided, so the description carries full burden. It discloses credit deduction, idempotency, scope requirements, and balance prerequisite. This provides good behavioral transparency beyond 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.

Conciseness5/5

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

Three concise sentences with no fluff. Front-loaded with the main action, followed by key details. Every sentence adds value.

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

Completeness4/5

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

Given no annotations and no output schema, the description covers purpose, prerequisites, idempotency, and balance. It does not detail the return format or error conditions, but the context is largely complete for an informed agent.

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

Parameters4/5

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

The single parameter 'lead_id' is fully described in the schema as a UUID. The description adds context that it comes from scout.search_leads and that purchasing is idempotent, enhancing understanding.

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?

The description clearly states the action (purchase), the resource (a single seller-signal lead), and the marketplace context. It distinguishes from siblings like scout.search_leads and scout.get_seller_signals by focusing on the purchase action.

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

Usage Guidelines4/5

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

The description implies usage after scout.search_leads (since lead_id comes from there) and mentions required scope and balance. It does not explicitly exclude alternatives, but the context is clear for a purchase-only tool.

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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TDQS

A4.2/5.0
Disambiguation5/5

Each tool has a clearly distinct purpose, from agent profiles and comparisons to market data and lead management. Overlaps like find_agent vs find_public_agent are explicitly differentiated by live vs directory status.

Naming Consistency4/5

All tools use snake_case and the 'scout.' prefix, but they mix verb_noun (e.g., compare_agents, search_listings) and noun_noun (e.g., agent_profile, coverage) patterns. However, the naming remains predictable and readable overall.

Tool Count5/5

With 18 tools, the server covers agent discovery, brokerage info, market data, listings, lead management, referrals, and licensing—well-scoped for a real estate assistant without redundancy.

Completeness5/5

The tool set covers all key workflows: agent and brokerage search, market insights, school data, listing search, lead generation and purchase, referral management, and license verification, with no obvious gaps for its domain.