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Fullenrich

FullEnrich is a B2B email and phone waterfall enrichment platform that aggregates contact information from over 15 premium vendors to find the emails and phone numbers of leads.

Verdict

Fullenrich enriches contact data in bulk — you give it names, emails, or company domains, and it returns phone numbers, job titles, social profiles, and firmographic details. @mention it in a Space to check your credit balance, prepare up to 100 contacts at once, submit enrichment jobs, and retrieve results. Sales and recruiting teams use it to fill gaps in lead lists or candidate profiles without leaving the workspace. You'll need an API key from Fullenrich's dashboard, and each enrichment consumes credits from your account balance.

Common use cases

  • Fill missing phone numbers in lead lists
  • Enrich candidate profiles before outreach
  • Validate email addresses before campaigns
  • Add job titles to CRM imports
  • Pull LinkedIn URLs for sales research

Integration

Vendor
Fullenrich
Category
other
Auth
API_KEY
Tools
4
Composio slug
fullenrich

Tools

  • Create Contact Data List

    Tool to create a list of contact data entries. Use when preparing the 'datas' payload for bulk enrichment; validates each contact's composition and returns a JSON-ready list.

  • Get Bulk Enrichment Result

    Tool to retrieve results of a bulk enrichment by enrichment ID. Use after confirming the job has been submitted to fetch status and enriched data.

  • Get current credit balance

    Tool to retrieve current workspace credit balance. Use after authenticating your API key.

  • Start Bulk Enrichment

    Tool to start a bulk enrichment job. Use when you have up to 100 contacts prepared and need batch enrichment. Use after confirming contact data.

Setup

Setup guide

  1. 11. Open your Switchy workspace and navigate to Settings > Integrations > MCP Servers. 2. Find Fullenrich in the directory and click Connect. 3. Log in to your Fullenrich account at fullenrich.com, go to API Settings, and generate a new API key. 4. Paste the key into the Switchy connection modal and click Authorize. 5. Switchy will confirm the connection and display your current credit balance. 6. Open any Space, type '@Fullenrich check my credit balance' and send — if you see a number, the connection works. 7. To enrich contacts, prepare a list of up to 100 entries (each with name, email, or company domain), then @mention Fullenrich and ask it to create a contact data list, start the enrichment, and retrieve results once the job completes.

What teammates see: by default, memories from Fullenrich are scoped to the Space (PROJECT visibility) - you can mark any memory PRIVATE or share it ORG-wide.

Works well with

Top models

Compatibility data appears once enough Spaces have used this MCP together with a given model.

How Switchy teams use it

Not enough Spaces yet to publish anonymised usage stats (we require ≥ 50 Spaces per week).

Starter prompts

Enrich Lead List

@Fullenrich I have a list of 50 leads with first name, last name, and company domain. Create a contact data list, start the enrichment, and show me the results when ready.
Open in a Space →

Validate Email Batch

@Fullenrich I have 30 email addresses to validate. Prepare them as a contact list, run enrichment, and tell me which are valid with phone numbers.
Open in a Space →

Add Job Titles to CRM

@Fullenrich I need job titles for 75 contacts. I have their names and company names. Create the list, enrich, and return titles and LinkedIn URLs.
Open in a Space →

Retrieve Previous Job

@Fullenrich get the results for enrichment ID abc123 and show me the enriched contact data.
Open in a Space →

Example outputs

Illustrative - representative of the model's voice and quality, not literal recordings.

Prompt

@Fullenrich check my current credit balance and let me know how many enrichments I can run today

Output

Your Fullenrich workspace currently has 2,847 credits available. Each contact enrichment typically consumes 1 credit, so you can enrich up to 2,847 contacts with your current balance. This balance applies across all enrichment operations in your workspace. If you're planning a large batch job, you may want to monitor usage to avoid interruptions mid-enrichment.

Notes

This example shows the credit-check tool, which is essential before running bulk jobs. Fullenrich charges per contact enriched, so checking balance first prevents failed jobs. The API key must have read access to workspace billing data.

Prompt

@Fullenrich enrich these 15 leads from our outbound list: [names and companies]. Start the bulk job and confirm when it's queued.

Output

I've validated all 15 contacts and started bulk enrichment job #8472. The job is now queued and processing. Fullenrich will enrich each contact with email, phone, LinkedIn profile, job title, and company data where available. Estimated completion: 2-3 minutes. I'll retrieve results once the job finishes. This operation will consume 15 credits from your workspace balance.

Notes

This demonstrates the write path: creating a contact list, then submitting a bulk enrichment job. The MCP validates contact structure before submission to catch errors early. Jobs process asynchronously, so immediate results aren't available—plan for a polling or callback workflow.

Prompt

@Fullenrich retrieve results for enrichment job #8472 and summarize which contacts returned valid emails versus bounced or missing data

Output

Enrichment job #8472 completed successfully. Out of 15 contacts: 11 returned valid work emails (73%), 2 returned personal emails flagged as lower confidence, and 2 had no email data available. All 15 contacts received LinkedIn profile URLs and current job titles. The two missing emails were for contacts at stealth-mode startups with minimal public footprint. I recommend prioritizing the 11 high-confidence work emails for outreach.

Notes

This example pairs the result-retrieval tool with AI reasoning to surface actionable insights. Fullenrich's enrichment quality varies by contact visibility—public profiles enrich better than stealth roles. The MCP returns raw JSON; the AI interprets completeness and confidence scores to guide next steps.

Use-case deep-dives

Sales team lead enrichment

When Fullenrich fits outbound prospecting at 10-person scale

A 10-person sales team running cold outbound needs to enrich 200-300 leads per week pulled from LinkedIn or conference lists. Fullenrich's batch enrichment (up to 100 contacts per job) maps cleanly to this cadence: run 2-3 jobs Monday morning, get enriched phone and email data back in minutes, push to CRM by lunch. The credit-balance tool lets the sales ops lead track spend without logging into another dashboard. This breaks down if your team is enriching 1,000+ leads daily—you'll spend more time chunking lists than actually calling prospects. But for teams where lead volume is under 500/week and you want one-API-key simplicity, Fullenrich keeps enrichment in the same workspace where you're already drafting sequences.

Event attendee follow-up prep

Why Fullenrich works for post-conference contact cleanup

A 3-person marketing team comes back from a trade show with 80 business cards and a spreadsheet of badge scans. They need working emails and LinkedIn profiles before the follow-up window closes. Fullenrich's bulk enrichment handles this in one pass: create the contact list from the spreadsheet, start the job, retrieve results an hour later with validated emails and phone numbers. The 100-contact batch limit covers most booth traffic from a single event. This isn't the tool if you're running year-round lead gen at scale or need real-time enrichment during live chat. But for episodic contact cleanup—quarterly events, webinar attendee lists, referral batches—Fullenrich gives you enriched data without standing up a Clearbit integration or burning engineering time.

Customer success account research

When Fullenrich helps CS teams map stakeholder networks

A 5-person customer success team manages 40 enterprise accounts and needs to identify new champions when their main contact leaves. They pull a list of 30-50 employees at the target company from LinkedIn, then use Fullenrich to enrich contact details and job titles in batch. The enriched data goes into the CRM as a stakeholder map, so the CSM knows who to reach when the VP of Ops ghosts them. This works because the volume is low (a few accounts per quarter) and the enrichment happens in the same workspace where they're drafting renewal decks. It's overkill if you only need to enrich 5-10 contacts per month—just use LinkedIn directly. But when you're mapping org charts for high-touch accounts, Fullenrich turns a 2-hour manual research task into a 15-minute batch job.

Frequently asked

What does the Fullenrich MCP do in Switchy?

It enriches contact data in bulk — you feed it up to 100 names, emails, or LinkedIn URLs at once, and Fullenrich returns phone numbers, job titles, company details, and social profiles. The MCP handles job submission, status polling, and result retrieval without leaving your Switchy workspace. Useful for sales teams building prospect lists or cleaning CRM data.

Do I need a Fullenrich account to use this MCP?

Yes. You need an active Fullenrich workspace and an API key. The MCP checks your credit balance before running enrichment jobs, so you'll also need credits in your Fullenrich account. Grab the API key from your Fullenrich dashboard and paste it into Switchy's connection flow — no OAuth, just the key.

Can the Fullenrich MCP enrich more than 100 contacts at once?

No. Fullenrich's API caps bulk jobs at 100 contacts per request. If you have a larger list, you'll need to split it into batches and run multiple enrichment jobs. The MCP won't automatically chunk your data — you handle the splitting, or you loop the tool calls in your Switchy workflow.

How does this compare to uploading a CSV to Fullenrich directly?

The MCP is faster for ad-hoc enrichment inside a workflow — you can enrich a dozen leads mid-conversation without switching tabs. Fullenrich's web UI is better for one-off bulk jobs with complex filters or manual review. The MCP uses the same API, so data quality and credit costs are identical either way.

Who on the team should connect the Fullenrich MCP?

Whoever owns your Fullenrich account and has the API key. Enrichment jobs draw from a shared credit pool, so if multiple people connect the same key, they'll all spend the same balance. If you want per-user tracking, issue separate API keys in Fullenrich and connect them to individual Switchy accounts.

Data last verified 607 hours ago.Sources aggregated hourly to weekly. See docs/architecture/model-directory.md.