Bring Email Discovery
to LlamaIndex
Learn how to connect FindThatLead to LlamaIndex and start using 12 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.
What is the FindThatLead MCP Server?
Connect your FindThatLead account to any AI agent and take full control of your B2B lead discovery and email verification workflows through natural conversation.
What you can do
- Domain Intelligence — Find all email addresses associated with any company domain programmatically and retrieve detailed contact metadata
- Email Discovery — Locate specific professional email addresses using a person's first name, last name, and company domain directly through your agent
- High-Fidelity Verification — Programmatically verify the validity and deliverability of any email address using a multi-step verification algorithm
- Prospecting Automation — Perform local business searches by keyword and location to discover new leads and automate your outreach pipeline
- Campaign Monitoring — Access your saved lead lists and outreach campaigns programmatically to monitor engagement and acquisition progress
How it works
1. Subscribe to this server
2. Retrieve your API Key from the FindThatLead dashboard (Settings > API Access)
3. Start generating and verifying B2B leads from Claude, Cursor, or any MCP client
No more manual copy-pasting into email verifiers or complex domain searching. Your AI acts as your dedicated sales development and lead generation assistant.
Who is this for?
- Sales SDRs & BDRs — instantly find contact details for target prospects and verify deliverability using natural language
- Growth Marketers — automate the extraction of leads from specific company domains and locations without leaving your workspace
- Recruiters — quickly locate professional email addresses for candidates through simple AI queries
Built-in capabilities (12)
Save a new lead
Remove a lead
Find emails for a domain
Find email for a specific person
Verify an email address
Get account details
Get account usage stats
Get campaign details
Get lead details
List email campaigns
List saved leads
Find local business leads
Why LlamaIndex?
LlamaIndex agents combine FindThatLead tool responses with indexed documents for comprehensive, grounded answers. Connect 12 tools through Vinkius and query live data alongside vector stores and SQL databases in a single turn. ideal for hybrid search, data enrichment, and analytical workflows.
- —
Data-first architecture: LlamaIndex agents combine FindThatLead tool responses with indexed documents for comprehensive, grounded answers
- —
Query pipeline framework lets you chain FindThatLead tool calls with transformations, filters, and re-rankers in a typed pipeline
- —
Multi-source reasoning: agents can query FindThatLead, a vector store, and a SQL database in a single turn and synthesize results
- —
Observability integrations show exactly what FindThatLead tools were called, what data was returned, and how it influenced the final answer
FindThatLead in LlamaIndex
FindThatLead and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect FindThatLead to LlamaIndex through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 3,400+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for FindThatLead in LlamaIndex
The FindThatLead MCP Server runs on Vinkius-managed infrastructure inside AWS — a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts. All 12 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in LlamaIndex only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure, zero maintenance.

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
How Vinkius secures
FindThatLead for LlamaIndex
Every tool call from LlamaIndex to the FindThatLead MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
How do I find my FindThatLead API Key?
Log in to your FindThatLead account, navigate to Settings > API Access, and copy your unique token.
Does email verification consume credits?
Yes, each successful email verification or lead search typically consumes one credit from your FindThatLead account balance.
Can I search for local businesses by city?
Absolutely. Use the local_prospector tool and provide a keyword (e.g., 'Dentist') and a location to find businesses in that area.
How does LlamaIndex connect to MCP servers?
Use the MCP client adapter to create a connection. LlamaIndex discovers all tools and wraps them as query engine tools compatible with any LlamaIndex agent.
Can I combine MCP tools with vector stores?
Yes. LlamaIndex agents can query FindThatLead tools and vector store indexes in the same turn, combining real-time and embedded data for grounded responses.
Does LlamaIndex support async MCP calls?
Yes. LlamaIndex's async agent framework supports concurrent MCP tool calls for high-throughput data processing pipelines.
BasicMCPClient not found
Install: pip install llama-index-tools-mcp
