n8n/docs/generated/postgres-schema/public.skill.md

public.skill

Columns

Name	Type	Default	Nullable	Children	Parents	Comment
agentId	varchar(36)		true		public.agents	Set when only this agent can use the skill. projectId is then NULL: the agent holds the project
createdAt	timestamp(3) with time zone	CURRENT_TIMESTAMP(3)	false
createdById	uuid		true		public.user	Author. NULL after the author is deleted
id	varchar(36)		false	public.agent_skill_dependency public.agent_version_skill_dependency public.skill_version		skill_<nanoid>, the same format agents use
projectId	varchar(36)		true		public.project	Set for a project skill, team or personal. NULL otherwise
source	varchar(16)		false			How the skill was created, set by the server: "ui" (the skills hub) or "agent" (the agent builder or the copy of agent skills)
updatedAt	timestamp(3) with time zone	CURRENT_TIMESTAMP(3)	false

Constraints

Name	Type	Definition
CHK_skill_single_target	CHECK	CHECK ((("agentId" IS NULL) OR ("projectId" IS NULL)))
FK_402ed37bff0d3134f6e782455ed	FOREIGN KEY	FOREIGN KEY ("projectId") REFERENCES project(id) ON DELETE CASCADE
FK_4de4501583cd1fcd6f5ea85f547	FOREIGN KEY	FOREIGN KEY ("createdById") REFERENCES "user"(id) ON DELETE SET NULL
FK_7d4fb6af107e507d9a86293cf9d	FOREIGN KEY	FOREIGN KEY ("agentId") REFERENCES agents(id) ON DELETE CASCADE
PK_a0d33334424e64fb78dc3ce7196	PRIMARY KEY	PRIMARY KEY (id)
skill_createdAt_not_null	n	NOT NULL "createdAt"
skill_id_not_null	n	NOT NULL id
skill_source_not_null	n	NOT NULL source
skill_updatedAt_not_null	n	NOT NULL "updatedAt"

Indexes

Name	Definition
IDX_402ed37bff0d3134f6e782455e	CREATE INDEX "IDX_402ed37bff0d3134f6e782455e" ON public.skill USING btree ("projectId")
IDX_7d4fb6af107e507d9a86293cf9	CREATE INDEX "IDX_7d4fb6af107e507d9a86293cf9" ON public.skill USING btree ("agentId")
PK_a0d33334424e64fb78dc3ce7196	CREATE UNIQUE INDEX "PK_a0d33334424e64fb78dc3ce7196" ON public.skill USING btree (id)

Relations

erDiagram

"public.skill" }o--o| "public.agents" : "FOREIGN KEY (#quot;agentId#quot;) REFERENCES agents(id) ON DELETE CASCADE"
"public.skill" }o--o| "public.user" : "FOREIGN KEY (#quot;createdById#quot;) REFERENCES #quot;user#quot;(id) ON DELETE SET NULL"
"public.agent_skill_dependency" }o--|| "public.skill" : "FOREIGN KEY (#quot;skillId#quot;) REFERENCES skill(id) ON DELETE CASCADE"
"public.agent_version_skill_dependency" }o--|| "public.skill" : "FOREIGN KEY (#quot;skillId#quot;) REFERENCES skill(id) ON DELETE CASCADE"
"public.skill_version" }o--|| "public.skill" : "FOREIGN KEY (#quot;skillId#quot;) REFERENCES skill(id) ON DELETE CASCADE"
"public.skill" }o--o| "public.project" : "FOREIGN KEY (#quot;projectId#quot;) REFERENCES project(id) ON DELETE CASCADE"

"public.skill" {
  varchar_36_ agentId FK
  timestamp_3__with_time_zone createdAt
  uuid createdById FK
  varchar_36_ id
  varchar_36_ projectId FK
  varchar_16_ source
  timestamp_3__with_time_zone updatedAt
}
"public.agents" {
  varchar_36_ activeVersionId FK
  boolean availableInMCP
  timestamp_3__with_time_zone createdAt
  varchar_36_ id
  json integrations
  varchar_128_ name
  varchar_255_ projectId FK
  integer revision
  json schema
  varchar_16_ scope
  timestamp_3__with_time_zone setupCompletedAt
  json skills
  json tools
  timestamp_3__with_time_zone updatedAt
  varchar_36_ versionId
}
"public.user" {
  timestamp_3__with_time_zone createdAt
  boolean disabled
  varchar_255_ email
  varchar_32_ firstName
  uuid id
  date lastActiveAt
  varchar_32_ lastName
  boolean mfaEnabled
  text mfaRecoveryCodes
  text mfaSecret
  varchar_255_ password
  json personalizationAnswers
  varchar_128_ roleSlug FK
  json settings
  timestamp_3__with_time_zone updatedAt
}
"public.agent_skill_dependency" {
  varchar_36_ agentId FK
  timestamp_3__with_time_zone createdAt
  varchar_36_ skillId FK
  uuid skillVersionId FK
}
"public.agent_version_skill_dependency" {
  varchar_36_ agentVersionId FK
  timestamp_3__with_time_zone createdAt
  varchar_36_ skillId FK
  uuid skillVersionId FK
}
"public.skill_version" {
  varchar_64_ contentHash
  timestamp_3__with_time_zone createdAt
  uuid createdById FK
  varchar_1024_ description
  json frontmatter
  uuid id
  text instructions
  varchar_128_ name
  varchar_36_ skillId FK
  timestamp_3__with_time_zone updatedAt
  integer version
}
"public.project" {
  timestamp_3__with_time_zone createdAt
  uuid creatorId FK
  json customTelemetryTags
  varchar_512_ description
  json icon
  varchar_36_ id
  varchar_255_ name
  varchar_36_ type
  timestamp_3__with_time_zone updatedAt
}

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Generated by tbls