# Data & Enrichment: 38 tools, 31 with an official MCP server

> B2B contact and company data providers - the databases, waterfall aggregators, and lookup APIs that... 38 tools counted, 31 with an official MCP server and 16 free to start.

*Markdown twin of the HTML page at the same path. Same content, no navigation, no styling, no scripts. Links below point at other twins. Site map for machines: [llms.txt](../llms.txt). The whole dataset: [directory.json](../data/directory.json).*

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[Directory](../index.md) /
[By category](index.md) / Data & Enrichment

**01 · data-enrichment**

## Data & Enrichment

B2B contact and company data providers - the databases, waterfall aggregators, and lookup APIs that fill in names, emails, phones, and firmographics before outreach starts. The split that matters most here is access: self-serve API vs. enterprise-sales-gated.

- **entries in this file**: 38

- **Official MCP**: 31
- **Community MCP**: 2
- **No MCP found**: 5

- **Free to start**: 16
- **Paid, self-serve**: 16
- **Enterprise only**: 4
- **Gate unknown**: 2

Source file: 01-data-enrichment.md · content sha256 6975d3883773eb07... · counts reconciled against tools_recount.py at build time.

- [The 33 with an MCP server](../lists/mcp-data-enrichment.md)

- [Find a work email address](../jobs/find-work-email.md)
- [Enrich a company from a domain](../jobs/enrich-company-from-domain.md)
- [Find a phone number](../jobs/find-phone-number.md)
- [Search people by criteria](../jobs/search-people-by-criteria.md)

- [Anymail Finder](../tools/anymail-finder.md) anymailfinder.com Takes a name plus a company, domain, or LinkedIn URL, verifies the resulting work email against the mail server in real time, and only charges when the email verifies. [Official MCP](../mcp/official.md) · [Free to start](../gates/free.md)

- [Diffbot](../tools/diffbot.md) diffbot.com A web-extraction and "Knowledge Graph" company that crawls the public web and structures it into an entity graph (organizations, people, articles) queryable for company/entity enrichment, plus raw... [Official MCP](../mcp/official.md) · [Free to start](../gates/free.md)

- [Enrow](../tools/enrow.md) enrow.io Finds and verifies work email addresses and direct phone numbers from a name plus company domain or a LinkedIn URL, charging only when it returns a verified result. [Official MCP](../mcp/official.md) · [Free to start](../gates/free.md)

- [Exa](../tools/exa.md) exa.ai A search API that returns web pages and structured results ranked by semantic/meaning similarity to a query (embeddings-based) rather than keyword matching, plus tools to fetch page contents and get... [Official MCP](../mcp/official.md) · [Free to start](../gates/free.md)

- [FullEnrich](../tools/fullenrich.md) fullenrich.com A B2B contact-enrichment aggregator that runs a single lookup or bulk list through 15+ third-party data vendors in a "waterfall" and returns the first verified work/personal email or mobile number found,... [Official MCP](../mcp/official.md) · [Free to start](../gates/free.md)

- [Hunter.io](../tools/hunter-io.md) hunter.io An email-finding and verification tool - given a name, domain, or company, it locates likely professional email addresses (via domain pattern-matching and web-crawled data) and verifies deliverability; also... [Official MCP](../mcp/official.md) · [Free to start](../gates/free.md)

- [LeadMagic](../tools/leadmagic.md) leadmagic.io A B2B contact/company data API and CLI that finds and validates work emails, mobile numbers, and social-to-email matches, plus company/job/ad-intelligence lookups, billing only for successful (valid) results. [Official MCP](../mcp/official.md) · [Free to start](../gates/free.md)

- [Lusha](../tools/lusha.md) lusha.com A B2B contact and company database (300M+ profiles) accessed via a browser extension, web prospecting platform, and bulk CSV/API enrichment for finding direct dials, emails, and company data. [Official MCP](../mcp/official.md) · [Free to start](../gates/free.md)

- [Prospeo](../tools/prospeo.md) prospeo.io A B2B contact database/lookup tool that finds verified work emails and mobile phone numbers for a given person or domain and returns basic firmographic data (headcount, industry, tech stack) for companies;... [Official MCP](../mcp/official.md) · [Free to start](../gates/free.md)

- [TheirStack](../tools/theirstack.md) theirstack.com A job-postings and technographic-data API that tracks live job listings and the tech stack/hiring signals behind them across 195 countries (claims 223M+ jobs, 352K+ sources), queryable for GTM timing/intent... [Official MCP](../mcp/official.md) · [Free to start](../gates/free.md) · Cross listed, canonical home is Signals & Intent

- [Warmly](../tools/warmly.md) warmly.ai A website-visitor de-anonymization and intent platform that identifies companies (and increasingly named individuals) visiting a customer's site from IP/behavioral signals, then enriches those visitor records... [Official MCP](../mcp/official.md) · [Free to start](../gates/free.md) · Cross listed, canonical home is Signals & Intent

- [ZoomInfo](../tools/zoominfo.md) zoominfo.com A B2B contact/company database and go-to-market platform (500M+ contacts, 100M+ companies) built from web crawling, public filings, and human researchers, used for prospecting, account research, and lead... [Official MCP](../mcp/official.md) · [Free to start](../gates/free.md)

- [Apollo.io](../tools/apollo-io.md) apollo.io A combined B2B contact database (265M+ contacts) and sales engagement platform in one product - prospect search/filtering, email and call sequencing, and contact/organization enrichment. [Official MCP](../mcp/official.md) · [Paid, self-serve](../gates/paid.md)

- [Bright Data](../tools/bright-data.md) brightdata.com A general-purpose web-scraping/proxy infrastructure platform (residential proxies, browser automation, structured scraping APIs) that GTM engineers repurpose to pull LinkedIn, company-site, and directory data... [Official MCP](../mcp/official.md) · [Paid, self-serve](../gates/paid.md)

- [Clay](../tools/clay.md) clay.com A spreadsheet-style workflow/orchestration tool that runs lead and company records through "waterfall" lookups across 100-200+ third-party data providers (Apollo, Lusha, Clearbit, etc.) and chains automation... [Official MCP](../mcp/official.md) · [Paid, self-serve](../gates/paid.md)

- [Coresignal](../tools/coresignal.md) coresignal.com Sells structured B2B datasets and APIs (company, employee/people, job-posting records) scraped and normalized from public and professional-network sources, delivered as bulk datasets or pay-per-call enrichment... [Official MCP](../mcp/official.md) · [Paid, self-serve](../gates/paid.md)

- [CUFinder](../tools/cufinder.md) cufinder.io A credit-based B2B data lookup service where you feed in a company name, domain, LinkedIn URL, or person and get back an enriched company or contact record including verified emails, through a web app or... [Official MCP](../mcp/official.md) · [Paid, self-serve](../gates/paid.md)

- [Dropcontact](../tools/dropcontact.md) dropcontact.com A France-based, GDPR-oriented contact enrichment and email-finding/verification service that takes a name plus company (name, domain, or LinkedIn URL) and returns a verified professional email plus cleaned... [Official MCP](../mcp/official.md) · [Paid, self-serve](../gates/paid.md)

- [Fiber AI](../tools/fiber-ai.md) fiber.ai B2B search and enrichment APIs for finding companies and people by structured filters or natural language, then revealing work emails and phone numbers with live LinkedIn data. [Official MCP](../mcp/official.md) · [Paid, self-serve](../gates/paid.md)

- [Lead411](../tools/lead411.md) lead411.com A B2B contact and company database with verified emails, direct dials, and growth/intent triggers, queryable by search or by an enrichment API. [Official MCP](../mcp/official.md) · [Paid, self-serve](../gates/paid.md)

- [Ocean.io](../tools/ocean-io.md) ocean.io A company-search and "lookalike" prospecting tool that finds businesses similar to a given target account based on industry, size, geography, and website content, and exports the resulting account lists. [Official MCP](../mcp/official.md) · [Paid, self-serve](../gates/paid.md)

- [RocketReach](../tools/rocketreach.md) rocketreach.co A large contact/company lookup database queried by name, company domain, or LinkedIn profile to find work emails, direct dials, and mobile numbers, with bulk lookup and CRM/Salesforce sync. [Official MCP](../mcp/official.md) · [Paid, self-serve](../gates/paid.md)

- [Snov.io](../tools/snov-io.md) snov.io A B2B prospecting and outreach platform - finds and verifies emails/contacts, enriches company and contact records, manages prospect lists and a lightweight CRM, and runs email drip campaigns plus LinkedIn... [Official MCP](../mcp/official.md) · [Paid, self-serve](../gates/paid.md)

- [The Swarm](../tools/the-swarm.md) theswarm.com A professional data and relationship-intelligence platform (500M+ profiles, 50M+ companies) whose differentiator is network mapping - warm-introduction paths, shared work history, education, and investor... [Official MCP](../mcp/official.md) · [Paid, self-serve](../gates/paid.md)

- [Vainu](../tools/vainu.md) vainu.com Sells a licensed database of roughly 5M Nordic registered companies with 700+ fields and around 9M decision-maker contacts, plus scraped and classified trigger events, delivered into a CRM, an API, or Excel. [Official MCP](../mcp/official.md) · [Paid, self-serve](../gates/paid.md)

- [Versium REACH](../tools/versium-reach.md) versium.com An identity-graph append service that turns partial contact records into enriched B2B and B2C profiles, plus audience sizing and real-time email validation. [Official MCP](../mcp/official.md) · [Paid, self-serve](../gates/paid.md)

- [Wiza](../tools/wiza.md) wiza.co Pulls verified work emails and mobile numbers for people found on LinkedIn or Sales Navigator and exports them to CSV or a CRM. [Official MCP](../mcp/official.md) · [Paid, self-serve](../gates/paid.md)

- [Seamless.AI](../tools/seamless-ai.md) seamless.ai A B2B contact and company database/prospecting tool that lets users search and pull emails, phone numbers, and firmographic data from a claimed 1.9B+ contact / 121M+ company index, plus basic list-building,... [Official MCP](../mcp/official.md) · [Enterprise only](../gates/enterprise-only.md)

- [Surfe](../tools/surfe.md) surfe.com A Chrome extension plus API that pulls contacts and companies off LinkedIn, runs them through a multi-vendor waterfall to find verified emails and mobile numbers, and pushes the records into a CRM. [Official MCP](../mcp/official.md) · [Enterprise only](../gates/enterprise-only.md)

- [Crustdata](../tools/crustdata.md) crustdata.com A real-time API for company and person firmographic/growth data (headcount trends, funding, tech stack, web traffic, social signals), positioned as infrastructure for time-sensitive GTM triggers and... [Official MCP](../mcp/official.md) · [Gate unknown](../gates/unknown.md)

- [Explorium](../tools/explorium.md) explorium.ai Aggregates roughly 50 third-party data sources into one API/platform for business and prospect lookup (firmographics, contacts, technographics, business events), claiming coverage of 150M+ companies and 800M+... [Official MCP](../mcp/official.md) · [Gate unknown](../gates/unknown.md)

- [People Data Labs](../tools/people-data-labs.md) peopledatalabs.com A raw person/company data API that returns profile records (name, job history, education, skills, social handles, contact fields) matched by identifiers like email, name, or LinkedIn URL, plus SQL-style bulk... [Community MCP](../mcp/community.md) · [Free to start](../gates/free.md)

- [UpLead](../tools/uplead.md) uplead.com A B2B contact database and prospecting tool (vendor claims 160M+ contacts, 95% data accuracy) for building lead lists with verified emails, direct dials, and firmographic/technographic filters, with a browser... [Community MCP](../mcp/community.md) · [Paid, self-serve](../gates/paid.md)

- [BetterContact](../tools/bettercontact.md) bettercontact.rocks A waterfall enrichment orchestrator that queries 20+ third-party email/phone data providers in sequence for a given contact, stopping once a verified match is found, rather than sourcing its own proprietary... [No MCP found](../mcp/none-found.md) · [Free to start](../gates/free.md)

- [Datagma](../tools/datagma.md) datagma.com An all-in-one B2B enrichment platform that finds work emails and verified mobile phone numbers, appends firmographic company data, and offers a Sales Navigator export/Chrome extension for pulling prospect data... [No MCP found](../mcp/none-found.md) · [Free to start](../gates/free.md)

- [Findymail](../tools/findymail.md) findymail.com An email finder and verifier that locates a person's work email from a name+domain, domain-only search, or LinkedIn profile URL, verifies deliverability, and can also retrieve a phone number from a LinkedIn... [No MCP found](../mcp/none-found.md) · [Free to start](../gates/free.md)

- [Clearbit (now HubSpot Breeze Intelligence)](../tools/clearbit.md) hubspot.com A firmographic/contact data lookup service that fills in company and contact fields (size, industry, revenue, location, social profiles, etc.) from a third-party data pool; formerly sold as a standalone API,... [No MCP found](../mcp/none-found.md) · [Enterprise only](../gates/enterprise-only.md)

- [Cognism](../tools/cognism.md) cognism.com A B2B contact and company database and sales intelligence platform, positioned around GDPR/CCPA-compliant data for EMEA-focused selling, with a browser extension for LinkedIn/website prospecting and... [No MCP found](../mcp/none-found.md) · [Enterprise only](../gates/enterprise-only.md)