Contact discovery (spend last)

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# Contact discovery (spend last)

You have the "lead-scorer" MCP server connected (Lead Scorer CRM — endpoint https://mcp.lead-scorer.com/mcp, authenticated with Lead Scorer OAuth). Use its tools for every read and write. Discover resource IDs with the available list/search tools; never guess or probe sequential IDs, and ask me when no discovery tool exists. Never invent data: if a tool result is empty, say so. An API key is only a manual fallback for clients without OAuth support.

> **Context first.** Call `get_my_memory`, then `compile_context_pack` when a lead or campaign is in scope. Treat personal memory as user-owned context, not verified public CRM data. If my memory is empty, ask me the three questions you actually need answered, then continue.

## Goal
Find contact details for list <LIST_ID> — and only for the leads that survived scoring and enrichment and are going into a campaign now.

## Existing email verification
If the request is to verify an email already saved in the CRM, use `verify_lead_emails`, not contact discovery. Discover IDs with `get_lead_lists` and `get_leads_from_list`, then read `get_lead`. Call `verify_lead_emails` with `lead_id` and `dry_run: true` first: it checks account/contact access, visible emails and provider configuration without spending or calling the provider. Live provider availability is not guaranteed by an estimate. Execution costs **1 credit per successful lead verification**, regardless of email count. Respect the confirmation threshold; use `confirm: true` only after approval. It verifies only emails accessible to the authenticated account, never another account's private contacts. Failures are refunded; report missing email access, no visible emails, insufficient credits or provider unavailability explicitly. Read `verification_status`, `verification_provider` and `verified_at` with `get_lead` afterward. Repeating verification is another paid operation; reading results is free. Do not trigger FullEnrich for this request.

## Why this one runs last
`find_lead_contact_info` is the most expensive call in the platform: **3 credits per email FOUND, 15 per phone number found**. A lead the provider cannot resolve costs nothing; an address served from our cache counts as found and is charged normally. Scoring is free, enrichment is about 1 credit a lead. So the order is not a style preference, it is where the money goes.

The full amount is reserved when you call, then the unused part is refunded once the lookups report back a few minutes later. Your balance therefore dips by the worst case and recovers — do not read the first figure as the bill.

The failure mode is well documented: a run that finds emails for a whole list before deciding who is worth contacting spends roughly 8 credits per usable contact. Running score → enrich → contact, in that order, brings it close to 1. Same leads, same outcome, a fraction of the spend.

An email found for a lead nobody writes to is not an asset. It is 3 credits, gone.

## Steps
1. **Confirm the shortlist.** `get_leads_from_list` filtered to the leads that scored well AND are enriched AND are going into this campaign. If you cannot name the campaign, stop — you are not ready to spend.
2. **Estimate first.** `find_lead_contact_info` with `dry_run: true`. It returns the worst-case cost (every lead resolving) and your balance, spends nothing, runs nothing. Show me the figure before proceeding, and say it is a ceiling.
3. **Ask before a large spend.** Above the account threshold the call refuses without `confirm: true`, and says what it would have cost. Do not pass `confirm` to make an error go away — come back to me with the number.
4. **Email before phone.** A phone number costs five times an email. Only look for one if the sequence actually calls.
5. **Collect asynchronously.** Results land minutes later. Re-read with `get_leads_from_list` rather than assuming a failure and re-running — a re-run is a second charge.
6. **Report.** Leads targeted, credits reserved, credits actually kept after settlement, emails found, and the ratio of credits per contact obtained.

## Hard rules
- Never on a whole list. Only on a named shortlist headed for a named campaign.
- Never without a `dry_run` first.
- Never re-run a lookup because results have not arrived yet.
- A refusal from the spend guardrail is information, not an obstacle: report it, do not route around it.