custom-object-management
Discover, create, update, and delete custom CRM object schemas. Use when defining a new object type, inspecting existing schemas, or removing one. Record CRUD on custom objects is identical to standard objects — see bulk-operations.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/hubspot/agent-cli-skills --skill custom-object-management- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads custom-object-management automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Source of truth
hubspot schemas --help is authoritative. Subcommands: list, get, create, update (metadata only), delete (destructive). schemas list/get/create/update work under OAuth login or a service key; schemas delete is service-key-only (AppTokenOnly) — set HUBSPOT_ACCESS_TOKEN. Read bulk-operations/SKILL.md first — every command here uses its JSONL conventions, and schemas delete uses its dry-run / digest / confirm flow.
Discover existing schemas
hubspot schemas list # JSONL: name, label, singular, objectTypeId, source
hubspot schemas list | jq 'select(.source=="custom")' # custom only
hubspot objects types | jq -c 'select(.source=="custom")' # same set, also shown to confirm `--type` resolves
name is what every other command takes. objectTypeId (e.g. 2-12345678) is only needed for workflow PLATFORM_FLOW targets.
Inspect one schema
hubspot schemas get --type pets
Returns the full definition — properties, associations, labels, requiredProperties, primaryDisplayProperty, fullyQualifiedName. Reshape with jq as needed (see bulk-operations/resources/json-patterns.md).
Create a schema
Build a JSON body and pipe it (or pass --file). Minimal valid body:
{
"name": "equipment",
"labels": {"singular": "Equipment", "plural": "Equipment"},
"primaryDisplayProperty": "equipment_name",
"requiredProperties": ["equipment_name"],
"properties": [
{"name": "equipment_name", "label": "Name", "type": "string", "fieldType": "text"}
],
"associatedObjects": ["contacts"]
}
cat equipment-schema.json | hubspot schemas create --dry-run # preview
hubspot schemas create --file equipment-schema.json # execute
Add more properties later with hubspot properties create --type <name> ....
Update schema metadata
update patches labels / description only. Property edits go through hubspot properties.
echo '{"labels":{"singular":"Device","plural":"Devices"}}' | hubspot schemas update --type equipment
update also supports --dry-run → digest → re-run with --digest --confirm <name> (see bulk-operations/SKILL.md for the pattern).
Delete a schema (destructive)
Schema delete is destructive and irreversible — it permanently removes the schema and every record of that type. It is gated as MetadataDestroy: every delete requires --dry-run first, then re-run with --digest <hash> --confirm <name> within 5 minutes.
Follow the three-step flow documented in bulk-operations/SKILL.md ("Safe destructive workflow"). For schemas, the confirm value is the schema name:
hubspot schemas delete --type equipment --dry-run
# → digest=blast-... ; apply_command_hint shows: --digest <hash> --confirm 'equipment'
hubspot schemas delete --type equipment --digest <hash> --confirm equipment
Check hubspot history --since 24h --kind MetadataDestroy to audit recent schema deletes.
Using the schema after creation
Once a schema exists, all hubspot objects ... commands accept its name as --type (e.g. --type pets). Record CRUD, search, association, bulk upsert — all identical to standard objects. Don't re-implement those flows here; see bulk-operations/SKILL.md and crm-lookup.
FAQ
What does the custom-object-management skill do?
Discover, create, update, and delete custom CRM object schemas. Use when defining a new object type, inspecting existing schemas, or removing one. Record CRUD on custom objects is identical to standard objects — see bulk-operations.
How do I install custom-object-management?
Run npx skills add https://github.com/hubspot/agent-cli-skills --skill custom-object-management in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/custom-object-management/ (personal) or .claude/skills/custom-object-management/ (project).
Which AI agents can use custom-object-management?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is custom-object-management safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains custom-object-management?
It is published by hubspot in hubspot/agent-cli-skills. It has 1,709 recorded installs.
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