Argorant for Hermes agents

The data layer for autonomous prospecting agents.

If you run Hermes — or any long-lived autonomous agent — the hard part isn't reasoning, it's giving it data access you can defend. Argorant exposes 614M verified B2B contacts as a governed MCP tool catalog: free exploration, metered reveals, signed webhooks, and an audit trail for every call the agent makes.

Connection docs Get started free

MCP tool catalog · Scoped credentials · Signed webhooks · Full per-call audit log

MCP endpoint

https://mcp.argorant.com/mcp

API + MCP on every paid plan. Counts, searches, and previews are free — even on the Free plan. Pricing

Setup

Connect Hermes to Argorant

Hermes runtimes connect the same way any MCP client does:

Create an Argorant account and open the API & MCP settings.

Scope the tool list: you decide whether the agent may only count, also reveal, or also export.

Subscribe a webhook endpoint so finished exports and verification batches push to the agent instead of being polled.

Autonomous lead generation with Hermes

Loops that run overnight need data that doesn't lie.

An autonomous agent compounds whatever its data source gets wrong. Argorant's contacts are continuously re-verified, and exports run a final deliverability check — so a Hermes loop that builds lists while you sleep wakes you up with addresses that send, not a bounce report.

MCP tools

search_leadsFind people by role, industry, geoenabled

search_companiesMatch accounts by firmographicsenabled

suggest_industryResolve a plain-English marketenabled

count_matchesSize a segment before revealingenabled

create_export_linkHand a verified list to the ownerenabled

get_leadReveal one verified contactenabled

Tool design for Hermes agents

Nine narrow tools beat one raw query console.

Each Argorant MCP tool does one job: resolve an industry, count a segment, search people, match a company, reveal a contact, hand off an export. Narrow tools mean an autonomous planner can't wander into expensive territory by accident — and your audit log reads like a plan, not a mystery.

Claude · Argorant MCP

How many VP Sales contacts can we reach at SaaS companies in Germany?

→ suggest_industry·count_matches

8,412 VP-of-Sales contacts at software companies in Germany.

6,930 already verified · the rest verify live at export. Want me to prepare the list for your workspace owner to reveal?

Event-driven Hermes pipelines

Signed webhooks, so the loop never blocks on a poll.

Long-running agents shouldn't burn cycles asking 'is it done yet?'. Subscribe to export-finished, verification-complete, and low-credit events and Argorant posts a signed, retried payload the moment they fire. Hermes picks up the event, takes the next step, and the pipeline keeps moving.

Webhook events

export.completed5,234 rows verified & ready

verification.finishedbatch of 1,000 · 94% deliverable

credits.lowworkspace at 12% remaining

POST → your endpoint · signed · retried

Governance for autonomous agents

Autonomy for the agent. Control for you.

Reveals draw down workspace credits, every tool call is logged with its arguments, and credentials are scoped so a prospecting agent can't touch exports if you didn't allow it. When an autonomous system runs your top-of-funnel, this is the difference between delegation and abdication.

POST /v1/search · 200 OK

curl https://api.argorant.com/v1/search \

-H "Authorization: Bearer ak_live_…" \

-d '{"industry":"saas",

"title":"vp sales",

"country":"DE"}'

{

"total": 8412,

"verified": 6930,

"export_url": "…/e/9f2c"

}

Coverage

614M

Contacts covered and continuously verified — available to Hermes the moment you connect

More agents

Argorant works with the agent you already use.

Claude Cowork

Anthropic's agentic workspace

Codex

OpenAI's coding agent

Perplexity Computer

Perplexity's agentic research computer

ChatGPT

ChatGPT agent mode & connectors

Claude Code

Anthropic's coding agent

Cursor

The AI code editor

Manus

The general-purpose autonomous agent

Any MCP client

API, webhooks & MCP overview

Testimonials

Revenue teams that stopped tolerating bounces.

“We replaced ZoomInfo in a weekend. Same coverage, a fraction of the cost, and the emails actually land. Our bounce rate went from 28% to under 3%.”

Maria Chen

VP Sales · 30-rep outbound team at a logistics SaaS

“Verification at export is the whole game. Every list we pull is checked live before it hits our sequencer — no more scrubbing through a second tool.”

James Okafor

Founder · seed-stage developer-tools startup

“We were paying $40K a year on an annual contract for data that bounced. Argorant is self-serve, a fraction of that spend, and the deliverability is night and day.”

Priya Sharma

Head of Growth · Series-B fintech, 120 employees

Frequently asked
questions

Hermes + Argorant

Everything about connecting Hermes to verified, deliverable B2B contact data.

Still have questions? Talk to us

Yes. Searching and counting are free, so exploration is unbounded; anything that costs money — reveals and exports — is metered against workspace credits and logged per call. You can also scope the tool list so the agent only has the capabilities you granted.

The MCP server implements OAuth 2.1 with PKCE and dynamic client registration, so headless runtimes can register and authenticate without a human in the loop after the initial workspace approval.

Argorant posts signed webhooks for export completion, verification batches, and credit thresholds. Your agent subscribes once and reacts to events instead of polling.

614M B2B contacts across 184 countries, continuously verified, searchable by industry, seniority, department, company size, and geography.

Connect Hermes in about a minute.

Free account, 100 credits included. Counts and searches are always free.

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