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feat: Configurable Logging Level per MCP Server #1614

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Merged
merged 1 commit into from
Aug 19, 2025
Merged

feat: Configurable Logging Level per MCP Server #1614

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9 changes: 4 additions & 5 deletions java/dev/enola/ai/mcp/McpLoader.java
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Original file line number Diff line number Diff line change
Expand Up @@ -112,10 +112,11 @@ public static McpClientTransport createTransport(
private static McpSyncClient createSyncClient(McpServerConnectionsConfig config, String name) {
var origin = config.origin + "#" + name;
var transport = createTransport(config, name);
return createSyncClient(transport, origin);
return createSyncClient(transport, config.servers.get(name).log, origin);
}

private static McpSyncClient createSyncClient(McpClientTransport transport, String origin) {
private static McpSyncClient createSyncClient(
McpClientTransport transport, McpSchema.LoggingLevel log, String origin) {
var implementation = new McpSchema.Implementation("https://Enola.dev", Version.get());
var client =
McpClient.sync(transport)
Expand All @@ -129,9 +130,7 @@ private static McpSyncClient createSyncClient(McpClientTransport transport, Stri
client.initialize();

// To avoid "Method not found", check logging capability before setting it
if (client.getServerCapabilities().logging() != null)
// TODO Ideally this should be passed through from the CLI's -vv Logging config...
client.setLoggingLevel(McpSchema.LoggingLevel.INFO);
if (client.getServerCapabilities().logging() != null) client.setLoggingLevel(log);

client.ping();
var serverInfo = client.getServerInfo();
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4 changes: 4 additions & 0 deletions java/dev/enola/ai/mcp/McpServerConnectionsConfig.java
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Expand Up @@ -19,6 +19,8 @@

import dev.enola.common.io.object.WithSchema;

import io.modelcontextprotocol.spec.McpSchema;

import java.net.URI;
import java.time.Duration;
import java.util.ArrayList;
Expand Down Expand Up @@ -72,6 +74,8 @@ public enum Type {
public String url;
public final Map<String, String> headers = new HashMap<>();
public Duration timeout;

public McpSchema.LoggingLevel log = McpSchema.LoggingLevel.WARNING;
}

public static class Input {
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