OpenFunnel Agent Primitives for AI agents

OpenFunnel Agent Primitives offers composable company search, research, and enrichment APIs built for AI sales agents. Sales teams use it to find and qualify accounts that match a target profile. Connect it once through Arc0, and your agent, or Claude, ChatGPT and Cursor, can use it through one MCP endpoint, limited to what each user approved.

Connect OpenFunnel Agent Primitives See the 10 actions ↓

SalesAPI keyMCP + RESTopenfunnel.ai

AUDIT LOG · OPENFUNNEL AGENT PRIMITIVESPOLICY: acme-support

09:41:07 · claude · u_8f2read

openfunnel_agent_primitives.list_country_codes

List Country Codes✓ allowed · 212ms

09:41:08 · claude · u_8f2read

openfunnel_agent_primitives.lookup_companies

Lookup Companies✓ allowed · 164ms

09:41:09 · claude · u_8f2write

openfunnel_agent_primitives.research_company

Research Company✓ approved · approved by user

09:41:12 · claude · u_8f2destructive

openfunnel_agent_primitives.cancel_bulk_lookalike_search

Cancel Bulk Lookalike Search✕ blocked · policy: deny

EVERY OPENFUNNEL AGENT PRIMITIVES CALL, ON THE RECORD

01 · USE CASES

What agents do in OpenFunnel Agent Primitives.

Research a target company

Pull firmographic and technology details on a company before a sales outreach attempt.

Find lookalike companies

Search for companies similar to an existing best-fit customer to expand a target list.

Check credit balance read-only

Look up remaining API credits before starting a large bulk lookalike search.

02 · ACTIONS

10 OpenFunnel Agent Primitives actions, graded by risk.

Every OpenFunnel Agent Primitives action is tagged read, write or destructive, so one policy covers the whole app and new actions inherit the right default.

read

Look things up. Allowed by default.

openfunnel_agent_primitives.get_credit_balance
Get Credit Balance
openfunnel_agent_primitives.list_country_codes
List Country Codes
openfunnel_agent_primitives.list_firmographic_options
List Firmographic Options
openfunnel_agent_primitives.get_bulk_lookalike_results
Get Bulk Lookalike Results
openfunnel_agent_primitives.search_lookalike_companies
Search Lookalike Companies
openfunnel_agent_primitives.search_companies_by_tech_stack
Search Companies by Tech Stack
openfunnel_agent_primitives.lookup_companies
Lookup Companies

write

Create and change things. Allow, or ask the user first.

openfunnel_agent_primitives.research_company
Research Company
openfunnel_agent_primitives.start_bulk_lookalike_search
Start Bulk Lookalike Search

destructive

Delete, cancel or archive. Ask first, or deny outright.

openfunnel_agent_primitives.cancel_bulk_lookalike_search
Cancel Bulk Lookalike Search

03 · HOW IT WORKS

OpenFunnel Agent Primitives in three steps.

01Your users connect OpenFunnel Agent PrimitivesThey add their OpenFunnel Agent Primitives api key on Arc0 Connect, under your brand. It goes straight into the vault.
02You set the rulesReads run, writes like “research Company” can wait for the user, and “cancel Bulk Lookalike Search” can be denied outright.
03Any agent can actYour agent calls OpenFunnel Agent Primitives through the Arc0 SDK or MCP, and so can Claude, ChatGPT and Cursor. Every call lands on the audit log.

POLICY.TS

await arc0.policies.set('openfunnel_agent_primitives', {
  read: 'allow',
  write: 'ask',        // research_company
  destructive: 'deny',  // cancel_bulk_lookalike_search
})

# Claude Code: the same connection, one URL
$ claude mcp add --transport http arc0 \
    https://mcp.arc0.ai/u/u_8f2

04 · AUTH AND DATA

How OpenFunnel Agent Primitives connects.

Users add their OpenFunnel Agent Primitives api key on Arc0 Connect. It is encrypted in the vault, never shown to the model, and each user can rotate or revoke it at any time.

The same OpenFunnel Agent Primitives connection serves your agent over MCP and your own backend over REST and the proxy, so a user connects once. How Arc0 handles credentials →

AUTH: API key
CREDENTIALS: Per-tenant encrypted vault
MODEL SEES: Results only, never credentials
AUDIT LOG: Every call, on every plan

05 · WORKS WITH

Use OpenFunnel Agent Primitives from any agent.

Claude

ChatGPT

Cursor

Codex

VS Code

OpenAI Agents SDK

Claude Agent SDK

Vercel AI SDK

Mastra

LangGraph

06 · RELATED

More sales apps.

LeadMagic109 actions

Smartlead19 actions

Specific18 actions Extrovert15 actions

Enrich14 actions

Vibe Prospecting14 actions

PredictLeads11 actions

Explorium10 actions

ALL SALES APPS →

07 · FAQ

OpenFunnel Agent Primitives and Arc0, answered.

Q01

Can I use OpenFunnel Agent Primitives with Claude, ChatGPT or Cursor?

Yes. Connect OpenFunnel Agent Primitives to Arc0 once, then add your Arc0 MCP URL to Claude, ChatGPT, Cursor, Claude Code or any other remote-MCP client. Each assistant only gets the OpenFunnel Agent Primitives actions you allow.

Q02

How do users connect OpenFunnel Agent Primitives?

Users add their OpenFunnel Agent Primitives api key on Arc0 Connect. It is encrypted in the vault, never shown to the model, and each user can rotate or revoke it at any time.

Q03

Which OpenFunnel Agent Primitives actions can my agent take?

10 in total: 7 read, 2 write and 1 destructive, such as “research Company”. Your policies decide which of them each agent may call.

Q04

Can I stop my agent from deleting things in OpenFunnel Agent Primitives?

Yes. Actions like “cancel Bulk Lookalike Search” are graded destructive. Set destructive actions to deny, or to ask so the user approves each one, and blocked calls still show up on the audit log.

Q05

Can my own backend call OpenFunnel Agent Primitives too?

Yes. The same OpenFunnel Agent Primitives connection is available over REST and through the Arc0 proxy, so your product and your agent share one connection per user.

Get started

Plug OpenFunnel Agent Primitives into your agent.

Your users connect OpenFunnel Agent Primitives once, under your brand. Your agent gets 10 actions behind your policies, with every call on the record.

Connect OpenFunnel Agent Primitives Browse all apps →

Free to build · MCP + REST · Audit log on every plan