Control Plane

Upgrade Template

upgrade_template

Destructive

Upgrade an installed release to a new version (omit it for the latest available) with its complete values. Identify the release by name only: the template and GVC are immutable and read from the installed release, so you do NOT pass them. values REPLACE the release's current values entirely (no merge): start from the values it runs with now, which the user reads in the Console and never pastes into the chat, not the template example. Verify with get_installed_template after.

Input Schema

Name	Required	Description
`org`	No	Organization slug.
`name`	Yes	Release name — the unique, immutable identifier for this installed instance within the org.
`values`	Yes	The complete values.yaml for the release going forward — it REPLACES the currently applied values entirely (there is no reuse-values merge). Preserve the release's CURRENT non-sensitive settings, not the template example, or customized settings fall back to defaults. The user can inspect current values privately in the Console; never fetch or paste credential-bearing values into chat. If current values require literal credentials, upgrade privately in the Console instead.
`version`	No	Target version to upgrade to. Omit for the latest available version.

Output Schema

Name	Required	Description
`ok`	Yes
`data`	No	The full result. Read this, not only the summary.
`details`	No
`summary`	Yes
`nextSteps`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed23 schema fields changedSep 30, 2026

removedInput schema / $schema

Removed value: -"http://json-schema.org/draft-07/schema#"

removedInput schema / additionalProperties
```
Removed value: -false
```
removedInput schema / properties / name / maxLength
```
Removed value: -63
```
removedInput schema / properties / name / minLength
```
Removed value: -1
```

removedInput schema / properties / name / pattern

Removed value: -"^[a-z0-9]([a-z0-9-]{0,61}[a-z0-9])?$"

changedInput schema / properties / org / description

Previous value: -"Organization slug (lowercase kebab-case). NEVER guess — if the user has not named one, ask. On org-not-found, stop and ask; do not retry variants."New value: +"Organization slug."

removedInput schema / properties / org / maxLength
```
Removed value: -63
```
removedInput schema / properties / org / minLength
```
Removed value: -1
```

removedInput schema / properties / org / pattern

Removed value: -"^[a-z0-9]([a-z0-9-]{0,61}[a-z0-9])?$"

changedInput schema / properties / values / description

Previous value: -"The complete values.yaml for the release going forward — it REPLACES the currently applied values entirely (there is no reuse-values merge). Start from the release's CURRENT values (CLI: `cpln helm get values <RELEASE> --all`; there is no MCP path), not the template example, or previously customized settings silently fall back to defaults."New value: +"The complete values.yaml for the release going forward — it REPLACES the currently applied values entirely (there is no reuse-values merge). Preserve the release's CURRENT non-sensitive settings, not the template example, or customized settings fall back to defaults. The user can inspect current values privately in the Console; never fetch or paste credential-bearing values into chat. If current values require literal credentials, upgrade privately in the Console instead."

removedInput schema / properties / values / maxLength
```
Removed value: -131072
```
removedInput schema / properties / values / minLength
```
Removed value: -1
```
removedInput schema / properties / version / maxLength
```
Removed value: -40
```
removedInput schema / properties / version / minLength
```
Removed value: -1
```
removedInput schema / properties / version / pattern
```
Removed value: -"^[A-Za-z0-9][A-Za-z0-9.+-]*$"
```

changedInput schema / required

Previous value: -[
-  "org",
-  "name",
-  "values"
-]New value: +[
+  "name",
+  "values"
+]

removedOutput schema / $schema

Removed value: -"http://json-schema.org/draft-07/schema#"

removedOutput schema / additionalProperties
```
Removed value: -false
```

changedOutput schema / properties / data / description

Previous value: -"The full machine-readable result — list rows, the resource object, query results. Read THIS, not just the summary."New value: +"The full result. Read this, not only the summary."

addedOutput schema / properties / details
```
Added value: +{
+  "type": "string"
+}
```

removedOutput schema / properties / nextSteps / description

Removed value: -"Recommended follow-up actions for this task, in order."

removedOutput schema / properties / ok / description
```
Removed value: -"Whether the call succeeded."
```
removedOutput schema / properties / summary / description
```
Removed value: -"One-line summary of the result."
```

First observedJun 28, 2026

TDQS

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