Skill Version · SQLite Schema · n8n-io/n8n · Skills Docs

Skill Version · SQLite Schema · n8n-io/n8n · Skills Docs

CREATE TABLE "skill_version" ("id" varchar PRIMARY KEY NOT NULL, "skillId" varchar(36) NOT NULL, "version" integer NOT NULL, "name" varchar(128) NOT NULL, "description" varchar(1024) NOT NULL, "instructions" text NOT NULL, "frontmatter" text, "contentHash" varchar(64) NOT NULL, "createdById" varchar, "createdAt" datetime(3) NOT NULL DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')), "updatedAt" datetime(3) NOT NULL DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')), "sourceRevision" varchar(255), CONSTRAINT "UQ_93bb78a1eb4e0890fac6b69df95" UNIQUE ("skillId", "version"), CONSTRAINT "CHK_skill_version_version" CHECK ("version" > 0), CONSTRAINT "FK_f87064c0a29efd2d5195328d91a" FOREIGN KEY ("skillId") REFERENCES "skill" ("id") ON DELETE CASCADE, CONSTRAINT "FK_9565d0fbf32cd463f9b47c7adab" FOREIGN KEY ("createdById") REFERENCES "user" ("id") ON DELETE SET NULL)

Name	Type	Default	Nullable	Children	Parents	Comment
contentHash	varchar(64)		false
createdAt	datetime(3)	STRFTIME(‘%Y-%m-%d %H:%M:%f’, ‘NOW’)	false
createdById	varchar		true		user
description	varchar(1024)		false
frontmatter	TEXT		true
id	varchar		false	agent_skill_dependency agent_version_skill_dependency skill_file
instructions	TEXT		false
name	varchar(128)		false
skillId	varchar(36)		false		skill
sourceRevision	varchar(255)		true
updatedAt	datetime(3)	STRFTIME(‘%Y-%m-%d %H:%M:%f’, ‘NOW’)	false
version	INTEGER		false

Name	Type	Definition
-	CHECK	CHECK (“version” > 0)
- (Foreign key ID: 0)	FOREIGN KEY	FOREIGN KEY (createdById) REFERENCES user (id) ON UPDATE NO ACTION ON DELETE SET NULL MATCH NONE
- (Foreign key ID: 1)	FOREIGN KEY	FOREIGN KEY (skillId) REFERENCES skill (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE
id	PRIMARY KEY	PRIMARY KEY (id)
sqlite_autoindex_skill_version_1	PRIMARY KEY	PRIMARY KEY (id)
sqlite_autoindex_skill_version_2	UNIQUE	UNIQUE (skillId, version)

erDiagram

"skill_version" }o--o| "user" : "FOREIGN KEY (createdById) REFERENCES user (id) ON UPDATE NO ACTION ON DELETE SET NULL MATCH NONE"
"agent_skill_dependency" }o--o| "skill_version" : "FOREIGN KEY (skillVersionId) REFERENCES skill_version (id) ON UPDATE NO ACTION ON DELETE NO ACTION MATCH NONE"
"agent_version_skill_dependency" }o--|| "skill_version" : "FOREIGN KEY (skillVersionId) REFERENCES skill_version (id) ON UPDATE NO ACTION ON DELETE NO ACTION MATCH NONE"
"skill_file" |o--|| "skill_version" : "FOREIGN KEY (skillVersionId) REFERENCES skill_version (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE"
"skill_version" }o--|| "skill" : "FOREIGN KEY (skillId) REFERENCES skill (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE"

"skill_version" {
  varchar_64_ contentHash
  datetime_3_ createdAt
  varchar createdById FK
  varchar_1024_ description
  TEXT frontmatter
  varchar id PK
  TEXT instructions
  varchar_128_ name
  varchar_36_ skillId FK
  varchar_255_ sourceRevision
  datetime_3_ updatedAt
  INTEGER version
}
"user" {
  datetime_3_ createdAt
  boolean disabled
  varchar_255_ email
  varchar_32_ firstName
  varchar id PK
  VARCHAR_16_ kind
  date lastActiveAt
  varchar_32_ lastName
  boolean mfaEnabled
  TEXT mfaRecoveryCodes
  TEXT mfaSecret
  varchar password
  TEXT personalizationAnswers
  varchar_128_ roleSlug FK
  TEXT settings
  datetime_3_ updatedAt
}
"agent_skill_dependency" {
  varchar_36_ agentId PK
  datetime_3_ createdAt
  varchar_36_ skillId PK
  varchar skillVersionId FK
}
"agent_version_skill_dependency" {
  varchar_36_ agentVersionId PK
  datetime_3_ createdAt
  varchar_36_ skillId PK
  varchar skillVersionId FK
}
"skill_file" {
  TEXT content
  datetime_3_ createdAt
  varchar_512_ path PK
  varchar skillVersionId PK
  datetime_3_ updatedAt
}
"skill" {
  boolean availableToAssistant
  boolean availableToMCP
  datetime_3_ createdAt
  varchar createdById FK
  varchar_36_ id PK
  varchar_36_ projectId FK
  varchar_16_ source
  datetime_3_ updatedAt
}