bloxbean · satran004 · Mar 5, 2026 · Mar 1, 2026
diff --git a/README.md b/README.md
@@ -246,7 +246,7 @@ Copy [`mcp.json.example`](./mcp.json.example) to `.mcp.json` in your project roo
 {
   "mcpServers": {
     "yaci-devkit": {
-      "url": "http://localhost:10000/sse"
+      "url": "http://localhost:10000/mcp"
     }
   }
 }

diff --git a/applications/cli/build.gradle b/applications/cli/build.gradle
@@ -1,6 +1,6 @@
 plugins {
-    id 'org.springframework.boot' version '3.2.5'
-    id 'io.spring.dependency-management' version '1.1.4'
+    id 'org.springframework.boot' version '3.5.11'
+    id 'io.spring.dependency-management' version '1.1.7'
     id 'org.graalvm.buildtools.native' version '0.10.2'
 	id 'java'
 	id 'signing'
@@ -18,17 +18,16 @@ java {
 }
 
 repositories {
-	//maven { url 'https://repo.spring.io/release' }
 	mavenCentral()
 	mavenLocal()
     maven {
-        url "https://oss.sonatype.org/content/repositories/snapshots"
+        url "https://central.sonatype.com/repository/maven-snapshots/"
     }
 }
 
 ext {
-    set('springShellVersion', "3.2.4")
-    set('springAiVersion', "1.0.3")
+    set('springShellVersion', "3.4.1")
+    set('springAiVersion', "1.1.2")
 }
 
 dependencies {
@@ -39,13 +38,12 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-logging'
     implementation 'org.springframework.boot:spring-boot-starter-mustache'
 
-	implementation('com.bloxbean.cardano:yaci:0.3.3') {
+	implementation('com.bloxbean.cardano:yaci:0.4.0') {
         exclude group: 'com.bloxbean.cardano', module: 'cardano-client-core'
     }
-	implementation 'com.bloxbean.cardano:cardano-client-lib:0.6.2'
-	implementation 'com.bloxbean.cardano:cardano-client-backend:0.6.2'
-    implementation 'com.bloxbean.cardano:cardano-client-backend-blockfrost:0.6.2'
-    //implementation 'com.bloxbean.cardano:cardano-client-supplier-local:0.5.1'
+	implementation 'com.bloxbean.cardano:cardano-client-lib:0.7.1'
+	implementation 'com.bloxbean.cardano:cardano-client-backend:0.7.1'
+    implementation 'com.bloxbean.cardano:cardano-client-backend-blockfrost:0.7.1'
 
     implementation 'org.apache.commons:commons-compress:1.23.0'
 

diff --git a/applications/cli/docker/application.properties b/applications/cli/docker/application.properties
@@ -9,8 +9,3 @@ pool.keys.home=/clusters/pool-keys
 spring.shell.config.location=/clusters
 server.port=10000
 
-# MCP Server
-spring.ai.mcp.server.enabled=true
-spring.ai.mcp.server.name=yaci-devkit
-spring.ai.mcp.server.version=0.1.0
-
diff --git a/...i/src/main/java/com/bloxbean/cardano/yacicli/cip30/controller/GlobalExceptionHandler.java b/...i/src/main/java/com/bloxbean/cardano/yacicli/cip30/controller/GlobalExceptionHandler.java
@@ -7,6 +7,7 @@
 import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
+import org.springframework.web.servlet.resource.NoResourceFoundException;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -56,6 +57,20 @@ public ResponseEntity<Map<String, Object>> handleIllegalArgumentException(
         return ResponseEntity.badRequest().body(response);
     }
 
+    /**
+     * Handle missing static resource requests (e.g., MCP client probing legacy endpoints)
+     */
+    @ExceptionHandler(NoResourceFoundException.class)
+    public ResponseEntity<Map<String, Object>> handleNoResourceFoundException(
+            NoResourceFoundException ex) {
+        Map<String, Object> response = new HashMap<>();
+        response.put("code", HttpStatus.NOT_FOUND.value());
+        response.put("message", "Resource not found");
+
+        log.debug("Resource not found: {}", ex.getMessage());
+        return ResponseEntity.status(HttpStatus.NOT_FOUND).body(response);
+    }
+
     /**
      * Handle generic exceptions
      */

diff --git a/...ns/cli/src/main/java/com/bloxbean/cardano/yacicli/commands/tail/BlockStreamerService.java b/...ns/cli/src/main/java/com/bloxbean/cardano/yacicli/commands/tail/BlockStreamerService.java
@@ -221,23 +221,6 @@ private CliConnection getConnectionInfo(String host, int port, String network, l
                     wellKnownPoint = new Point(slot, blockHash);
                 else
                     wellKnownPoint = Constants.WELL_KNOWN_MAINNET_POINT;
-            } else if ("legacy_testnet".equals(network)) {
-                if (!StringUtils.hasLength(host)) {
-                    host = Constants.TESTNET_IOHK_RELAY_ADDR;
-                }
-
-                if (port == 0) {
-                    port = Constants.TESTNET_IOHK_RELAY_PORT;
-                }
-
-                if (protocolMagic == 0) {
-                    protocolMagic = Constants.LEGACY_TESTNET_PROTOCOL_MAGIC;
-                }
-
-                if (slot != 0 && StringUtils.hasLength(blockHash))
-                    wellKnownPoint = new Point(slot, blockHash);
-                else
-                    wellKnownPoint = Constants.WELL_KNOWN_TESTNET_POINT;
             } else if ("preprod".equals(network)) {
                 if (!StringUtils.hasLength(host)) {
                     host = Constants.PREPROD_IOHK_RELAY_ADDR;

diff --git a/...in/java/com/bloxbean/cardano/yacicli/localcluster/service/LocalProtocolParamSupplier.java b/...in/java/com/bloxbean/cardano/yacicli/localcluster/service/LocalProtocolParamSupplier.java
@@ -62,10 +62,10 @@ public ProtocolParams getProtocolParams() {
         protocolParams.setPoolDeposit(String.valueOf(protocolParamUpdate.getPoolDeposit()));
         protocolParams.setEMax(protocolParamUpdate.getMaxEpoch());
         protocolParams.setNOpt(protocolParamUpdate.getNOpt());
-        protocolParams.setA0(protocolParamUpdate.getPoolPledgeInfluence());
-        protocolParams.setRho(protocolParamUpdate.getExpansionRate());
-        protocolParams.setTau(protocolParamUpdate.getTreasuryGrowthRate());
-        protocolParams.setDecentralisationParam(protocolParamUpdate.getDecentralisationParam()); //Deprecated. Not there
+        protocolParams.setA0(protocolParamUpdate.getPoolPledgeInfluence() != null? protocolParamUpdate.getPoolPledgeInfluence().safeRatio(): null);
+        protocolParams.setRho(protocolParamUpdate.getExpansionRate() != null? protocolParamUpdate.getExpansionRate().safeRatio(): null);
+        protocolParams.setTau(protocolParamUpdate.getTreasuryGrowthRate() != null? protocolParamUpdate.getTreasuryGrowthRate().safeRatio(): null);
+        protocolParams.setDecentralisationParam(protocolParamUpdate.getDecentralisationParam() != null? protocolParamUpdate.getDecentralisationParam().safeRatio(): null); //Deprecated. Not there
         //protocolParams.setExtraEntropy(protocolParamUpdate.getExtraEntropy()); //TODO
         protocolParams.setProtocolMajorVer(protocolParamUpdate.getProtocolMajorVer());
         protocolParams.setProtocolMinorVer(protocolParamUpdate.getProtocolMinorVer());
@@ -90,8 +90,8 @@ public ProtocolParams getProtocolParams() {
 
         protocolParams.setCostModels(costModels);
 
-        protocolParams.setPriceMem(protocolParamUpdate.getPriceMem());
-        protocolParams.setPriceStep(protocolParamUpdate.getPriceStep());
+        protocolParams.setPriceMem(protocolParamUpdate.getPriceMem() != null? protocolParamUpdate.getPriceMem().safeRatio(): null);
+        protocolParams.setPriceStep(protocolParamUpdate.getPriceStep() != null? protocolParamUpdate.getPriceStep().safeRatio(): null);
         protocolParams.setMaxTxExMem(String.valueOf(protocolParamUpdate.getMaxTxExMem()));
         protocolParams.setMaxTxExSteps(String.valueOf(protocolParamUpdate.getMaxTxExSteps()));
         protocolParams.setMaxBlockExMem(String.valueOf(protocolParamUpdate.getMaxBlockExMem()));

diff --git a/applications/cli/src/main/resources/application.yml b/applications/cli/src/main/resources/application.yml
@@ -12,11 +12,15 @@ spring:
     location: classpath:/banner.txt
   devtools:
     add-properties:logging: false
+  shell:
+    interactive:
+      enabled: true
   ai:
     mcp:
       server:
         name: yaci-devkit
         version: 0.1.0
+        protocol: STATELESS
 
 logging:
   level:

diff --git a/applications/cli/src/main/resources/logback-spring.xml b/applications/cli/src/main/resources/logback-spring.xml
@@ -8,9 +8,9 @@
         </encoder>
         <file>${LOG_FILE}</file>
         <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
-            <param name="FileNamePattern" value="${LOG_FILE}.%i"/>
-            <param name="MinIndex" value="1"/>
-            <param name="MaxIndex" value="20"/>
+            <fileNamePattern>${LOG_FILE}.%i</fileNamePattern>
+            <minIndex>1</minIndex>
+            <maxIndex>20</maxIndex>
         </rollingPolicy>
         <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <MaxFileSize>10MB</MaxFileSize>
@@ -21,6 +21,22 @@
             <pattern>%clr(%d){faint} %clr(${PID:- }){magenta} %clr([%15.15t]){magenta} %clr(%-5p) %clr(%-40c{40}){cyan} - %m%n</pattern>
         </encoder>
     </appender>
+
+    <!-- Tomcat socket errors go to file only, not to the CLI prompt -->
+    <logger name="org.apache.tomcat.util.net" level="ERROR" additivity="false">
+        <appender-ref ref="FILE"/>
+    </logger>
+
+    <!-- MCP protocol negotiation warnings go to file only, not to the CLI prompt -->
+    <logger name="io.modelcontextprotocol" level="WARN" additivity="false">
+        <appender-ref ref="FILE"/>
+    </logger>
+
+    <!-- Spring AI MCP provider startup warnings go to file only -->
+    <logger name="org.springframework.ai.mcp" level="WARN" additivity="false">
+        <appender-ref ref="FILE"/>
+    </logger>
+
     <root level="WARN">
         <appender-ref ref="CONSOLE"/>
         <appender-ref ref="FILE"/>

diff --git a/mcp.json.example b/mcp.json.example
@@ -1,7 +1,7 @@
 {
   "mcpServers": {
     "yaci-devkit": {
-      "url": "http://localhost:10000/sse"
+      "url": "http://localhost:10000/mcp"
     }
   }
 }