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Connect HubSpot to Codex

To use HubSpot in Codex, connect your HubSpot account in Manyplug and add Manyplug to Codex once. Codex then gets 8 HubSpot tools, for example: “Search contacts”, “Search companies”, and “Search deals”. It takes about 4 minutes and works on the free plan.

Connect HubSpot Free plan, no card

1. Connect HubSpot in Manyplug

Click “Connect HubSpot” and paste the key or app password into Manyplug’s form:

A HubSpot private app token. Takes about three minutes and needs super admin rights.

  1. In HubSpot, open Settings → Integrations → Private apps and click Create a private app.Open HubSpot
  2. On the Basic info tab, name the app Manyplug.
  3. On the Scopes tab, under CRM, tick read and write for contacts, companies and deals: crm.objects.contacts.read/write, crm.objects.companies.read/write, crm.objects.deals.read/write.
  4. Click Create app, then on the Access token tab click Show token and Copy. Paste the token (pat-…) into the form.
  • In newer HubSpot accounts this lives under Development → Legacy apps: click Create → Private there.
  • For read-only access, tick only the read scopes. You can rotate the token in the app settings.

2. Add Manyplug to Codex

Codex CLI and the IDE extension.

  1. Add the server to ~/.codex/config.toml.
    [mcp_servers.manyplug]
url = "https://manyplug.com/mcp"
  2. Run codex mcp login manyplug and sign in in the browser.

Full guide: Codex

3. Ask Codex

  • Find everything on ACME in HubSpot: contacts and deals.
  • Add a contact: Anna Smith, anna@acme.com, ACME, Head of Procurement.
  • Move the deal “ACME annual contract” to Contract sent.
  • Which deals are due to close this month?

What Codex can do in HubSpot

Each action can be turned off per account, and changes can wait for your OK.

ActionAccess
Search contacts
Finds contacts by name, email, phone or company.
Reads
Search companies
Finds companies by name or domain.
Reads
Search deals
Finds deals by name.
Reads
Deal pipelines
Pipelines with their stages and ids.
Reads
Create a contact
Creates a contact.
Makes changes
Update a contact
Changes the given properties of a contact.
Makes changes
Create a deal
Creates a deal.
Makes changes
Update a deal
Changes the given properties of a deal, e.g. moves it to another stage.
Makes changes

Questions

Can I connect two HubSpot accounts to Codex?
Yes. Connect each one in Manyplug under its own name, for example Work and Personal. Codex can use one of them or all at once.
Will Codex change anything in HubSpot without asking?
Changes follow your rules: you can make every change in HubSpot wait for your approval, or let Codex only read.
Do I need an official HubSpot MCP server for this?
No. Manyplug connects to HubSpot itself with a key or app password you paste into its form, and gives Codex the tools through one MCP address, together with your other services.
Is it free to connect Codex to Manyplug?
Yes. New workspaces get 14 days of Pro free, then the free plan keeps going with 150 actions a month and up to 3 connected accounts. No card needed. Paid plans start at $5 a month.
Does Codex see my passwords or API keys?
No. Keys are entered on Manyplug’s own pages, stored encrypted with a separate key per account, and the AI only receives tool results.

HubSpot in other AI apps

ClaudeChatGPTClaude CodeCursorVS CodeGemini CLIWindsurf

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