Early access

Crunchbase MCP server

Name: Arc0 for Crunchbase
Author: Arc0

Research a company’s profile and funding history from known identifiers or a focused company search. Access is gated: request enablement for your organization before connecting.

Request early access See 7 actions ↓

SalesAPI keyMCP + RESTcrunchbase.com

AUDIT LOG · CRUNCHBASEPOLICY: acme-support

09:41:07 · claude · u_8f2read

crunchbase.search_acquisitions

Search acquisitions✓ allowed · 212ms

09:41:08 · claude · u_8f2read

crunchbase.get_person

Get a person✓ allowed · 164ms

ILLUSTRATIVE POLICY TRACE · NOT A LIVE RECEIPT

01 · USE CASES

Agent workflows for Crunchbase.

Get an organization

Use when you know a company UUID or permalink and need its profile, funding total and employee range. Uses licensed API allowance; a timed-out call may still be charged.

Search organizations

Use when finding companies by name fragment, exact website domain or UUID. Returns one bounded page and a cursor. Uses licensed API allowance; a timed-out call may still be charged.

Get a funding round

Use when you know a funding round UUID or permalink and need its date, amount, type and funded organization. Uses licensed API allowance; a timed-out call may still be charged.

02 · ACTIONS

7 Crunchbase actions, graded by risk.

These actions come from the Arc0 registry. Your identity, provider permissions and Arc0 policies determine which actions can run.

read

Look things up, subject to your permissions.

crunchbase.get_organization
Get an organization
Use when you know a company UUID or permalink and need its profile, funding total and employee range. Uses licensed API allowance; a timed-out call may still be charged.
crunchbase.search_organizations
Search organizations
Use when finding companies by name fragment, exact website domain or UUID. Returns one bounded page and a cursor. Uses licensed API allowance; a timed-out call may still be charged.
crunchbase.get_funding_round
Get a funding round
Use when you know a funding round UUID or permalink and need its date, amount, type and funded organization. Uses licensed API allowance; a timed-out call may still be charged.
crunchbase.search_funding_rounds
Search funding rounds
Use when researching financing for an exact organization or retrieving an exact round UUID. Returns one bounded page and cursor. Uses licensed API allowance; a timed-out call may still be charged.
crunchbase.get_acquisition
Get an acquisition
Use when you know an acquisition UUID or permalink and need the buyer, target, announcement date and price. Uses licensed API allowance; a timed-out call may still be charged.
crunchbase.search_acquisitions
Search acquisitions
Use when researching deals by an exact buyer or target organization, or retrieving an exact acquisition UUID. Returns one bounded page and cursor. Uses licensed API allowance; a timed-out call may still be charged.
crunchbase.get_person
Get a person
Use when you have an exact person UUID and permission to retrieve their professional role and primary organization. Uses licensed API allowance; a timed-out call may still be charged.

write

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

No write actions.

destructive

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

No destructive actions.

03 · POLICIES AND AUDIT

Control access to Crunchbase.

After early access is enabled, connect the intended Crunchbase account, authorize your AI client and set policies for its tools.

Provider permissions and Arc0 policy both apply. Allow reads, require approval for selected writes, or deny destructive actions. The audit log records execution decisions.

Configure policies and approvals

Example policy choices

Read actions: allow where authorized

Arc0 MCP endpoint: https://api.arc0.ai/mcp

04 · AUTH AND DATA

How Crunchbase connects.

Connect Crunchbase using API key. OAuth grants the provider scopes shown during consent; API keys and other credentials retain the permissions configured at the provider. Arc0 stores credentials in its encrypted vault and does not pass them to the model. Disconnect to remove access through Arc0; revoke a key at the provider to invalidate it there. Token refresh and provider-side revocation depend on the authentication lane and provider.

The connection serves authorized calls through Arc0 MCP and REST. 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 · AI CLIENTS

Use Crunchbase with your AI client.

Request access to Crunchbase first. An Arc0 administrator must enable it for your organization before these actions appear. Then authorize your AI client separately. It only receives tools and accounts allowed for that identity.

Crunchbase with Claude

Claude Desktop + Claude Code

In Claude Desktop, add Arc0 through the remote MCP settings and use OAuth. Follow the generic remote-client steps if your account’s interface differs.
For Claude Code, run the command below. Open /mcp, select Arc0, and authenticate in your browser. Select your workspace and review access.
Check the connection with claude mcp get arc0.

claude mcp add --transport http --scope user arc0 https://api.arc0.ai/mcp

Full MCP setup and troubleshooting

All apps for Claude

Crunchbase with ChatGPT

ChatGPT on the web

Open Plugins in ChatGPT, select the plus button, then Add custom MCP server.
Name it Arc0, enter the server URL below, and choose OAuth. Use dynamic client registration if asked; no Arc0 API key is needed.
Review the notice and select Create as a plugin. Complete Arc0 sign-in, workspace selection and consent, then install and select the plugin in your conversation. Labels and access vary by account; managed workspaces may require administrator approval.

https://api.arc0.ai/mcp

Full MCP setup and troubleshooting

All apps for ChatGPT

Crunchbase with OpenAI Codex

Codex app + CLI

Run the registration command below. The app and CLI share ~/.codex/config.toml.
Complete browser OAuth, choose your Arc0 workspace, and review access. If authentication does not start, run codex mcp login arc0.
Check codex mcp list, then open a new Codex chat. Inspect an existing arc0 entry before changing it.

codex mcp add arc0 --url https://api.arc0.ai/mcp

Full MCP setup and troubleshooting

All apps for OpenAI Codex

Crunchbase with Cursor

Remote MCP setup

Add Arc0 in your client’s remote MCP settings using the server URL below.
Choose OAuth, sign in to Arc0, select the intended workspace and review access.
Confirm the server is connected and start with an allowed read. These are generic remote-MCP steps; consult your client’s settings for its current interface.

https://api.arc0.ai/mcp

Full MCP setup and troubleshooting

All apps for Cursor

Crunchbase with VS Code

Remote MCP setup

Add a remote HTTP MCP server named Arc0 using the URL below.
Use OAuth and finish Arc0 sign-in, workspace selection and consent.
Confirm discovery succeeds before requesting a read. These are generic remote-MCP steps; client UI and availability may differ.

https://api.arc0.ai/mcp

Full MCP setup and troubleshooting

Crunchbase with Any MCP client

Streamable HTTP

Use a client that supports remote MCP over Streamable HTTP. Add the server URL below and choose OAuth.
For a client without OAuth, use a self-bound API key with execute permission in the X-API-Key header. Store it in secret storage or an environment variable, outside source control. Never send both an API key and an OAuth bearer token.
Use the MCP clients guide for the SDK transport example and Embedded identity for business-managed end users.

https://api.arc0.ai/mcp

Full MCP setup and troubleshooting

After setup, ask your agent to find an allowed read action, load its schema, and execute it on the intended account. Check Activity for the receipt. A connected MCP client alone does not confirm a successful provider call.

06 · RELATED

More sales apps.

SumbleEarly access · 7 actions

TrestleEarly access · 5 actions

TheCompaniesAPIEarly access · 7 actions

Influencers ClubEarly access · 5 actions

LeadMagicEarly access · 6 actions

PredictLeadsEarly access · 7 actions

ProspeoEarly access · 8 actions

SmartleadComing soon

ALL SALES APPS →

07 · FAQ

Crunchbase and Arc0, answered.

Q01

Does Crunchbase work with Claude Desktop and Claude Code?

Yes, after early access is enabled for your organization and you connect the intended account. Use Arc0’s remote MCP endpoint with OAuth. Claude Code has a documented registration command; Desktop uses the generic remote-client setup.

Q02

Can I use Crunchbase with OpenAI Codex, ChatGPT and Cursor?

Yes, after early access is enabled for your organization and you connect the intended account. Codex and ChatGPT have setup instructions in Arc0’s MCP clients guide. Cursor uses the generic remote-MCP steps. Tool access remains scoped to the authorized identity.

Q03

Is this the official Crunchbase MCP server?

This is Arc0’s integration page, not a claim of an official Crunchbase server. Arc0 adds a shared connection, policy and audit experience across apps. Consult Crunchbase for its own current MCP offerings.

Q04

Which Crunchbase actions are supported?

7 registry-defined actions: 7 read, 0 write and 0 destructive. Provider permissions, access enablement and Arc0 policy determine what can execute.

Q05

Which permissions does Crunchbase need?

Q06

Can I restrict writes in Crunchbase?

You can deny write and destructive actions or require approval. Provider scopes and Arc0 action policies are separate controls; a policy does not grant additional provider permissions.

Q07

What does Crunchbase through Arc0 cost?

See Arc0 pricing for current connectivity plans. The provider may require its own subscription or charge per request. Arc0 plan allowances do not make third-party data or paid actions free.

Get started

Request Crunchbase access.

Crunchbase MCP server: 7 actions including get an organization, search organizations, get a funding round. Request early access through Arc0.

Request early access Browse all apps →

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

Crunchbase and its logo are trademarks of their respective owners. Arc0 is not affiliated with or endorsed by Crunchbase.