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IJPL-233396 misc [mcp-server]: improve execute_run_configuration output for agent consumption

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Default truncation kept the beginning of output (build logs) and
discarded the end (test failures, stack traces). Switch default to
TruncateMode.END.
When truncation occurs, write full output to a temp file and return
its path so agents can read_file the complete log.

(cherry picked from commit 1ebbed734bb85d1d2d2e343da0c3a8c0aadfa6fe)

GitOrigin-RevId: a964ca4b7dcb288481ddd75d996ff5c15a8c5e48
This commit is contained in:
Dmitry Zhuravlev
2026-03-13 01:13:29 +00:00
committed by intellij-monorepo-bot
parent ff0adfa126
commit 1b1917e342
1 changed files with 27 additions and 5 deletions
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plugins/mcp-server/src/com/intellij/mcpserver/toolsets/general/ExecutionToolset.kt
+27 -5
View File
@@ -24,6 +24,7 @@ import com.intellij.mcpserver.util.TruncateMode
import com.intellij.mcpserver.util.checkUserConfirmationIfNeeded
import com.intellij.mcpserver.util.truncateText
import com.intellij.openapi.application.EDT
import com.intellij.openapi.application.PathManager
import com.intellij.openapi.application.readAction
import com.intellij.openapi.diagnostic.logger
import com.intellij.openapi.diagnostic.rethrowControlFlowException
@@ -37,6 +38,7 @@ import kotlinx.coroutines.withTimeoutOrNull
import kotlinx.serialization.EncodeDefault
import kotlinx.serialization.ExperimentalSerializationApi
import kotlinx.serialization.Serializable
import java.nio.file.Files
import kotlin.time.Duration.Companion.milliseconds
private val logger = logger<ExecutionToolset>()
@@ -157,14 +159,31 @@ class ExecutionToolset : McpToolset {
mcpFail("Execution failed: ${e.message}")
}
}
val output = truncateText(outputBuilder.toString(), maxLinesCount = maxLinesCount, truncateMode = truncateMode)
val fullOutput = outputBuilder.toString()
val output = truncateText(fullOutput, maxLinesCount = maxLinesCount, truncateMode = truncateMode)
val fullOutputPath = if (output.length != fullOutput.length) createTmpFile(fullOutput) else null
return RunConfigurationResult(
exitCode = exitCode,
timedOut = exitCode == null,
output = output
output = output,
fullOutputPath = fullOutputPath,
)
}
private fun createTmpFile(fullOutput: String): String? {
return try {
val tmpFile = Files.createTempFile(PathManager.getTempDir(), "run-config-output", ".log")
Files.writeString(tmpFile, fullOutput)
tmpFile.toAbsolutePath().toString()
}
catch (e: Exception) {
rethrowControlFlowException(e)
logger.trace { "Failed to write full output to temp file: ${e.message}" }
null
}
}
@Serializable
data class RunConfigurationsList(
val configurations: List<RunConfigurationInfo>,
@@ -184,12 +203,15 @@ class ExecutionToolset : McpToolset {
)
@Serializable
data class RunConfigurationResult(
data class RunConfigurationResult @JvmOverloads constructor(
@EncodeDefault(mode = EncodeDefault.Mode.NEVER)
val exitCode: Int? = null,
@property:McpDescription(Constants.TIMED_OUT_DESCRIPTION)
@EncodeDefault(mode = EncodeDefault.Mode.NEVER)
val timedOut: Boolean? = false,
val output: String
val output: String,
@property:McpDescription("Path to a temp file containing the full untruncated output. Present only when output was truncated. Use read_file to access the complete log.")
@EncodeDefault(mode = EncodeDefault.Mode.NEVER)
val fullOutputPath: String? = null,
)
}
}