diff --git a/Manifest.toml b/Manifest.toml
index 40d6d1f..4954cb4 100644
--- a/Manifest.toml
+++ b/Manifest.toml
@@ -2,7 +2,7 @@
 
 julia_version = "1.10.3"
 manifest_format = "2.0"
-project_hash = "c6233f8bf690740dd830d1f0927bd3afed93b8d2"
+project_hash = "d5182042dab089bafa4f01ef385efd46c01a0396"
 
 [[deps.AliasTables]]
 deps = ["PtrArrays", "Random"]
@@ -96,9 +96,9 @@ uuid = "8ba89e20-285c-5b6f-9357-94700520ee1b"
 
 [[deps.Distributions]]
 deps = ["AliasTables", "FillArrays", "LinearAlgebra", "PDMats", "Printf", "QuadGK", "Random", "SpecialFunctions", "Statistics", "StatsAPI", "StatsBase", "StatsFuns"]
-git-tree-sha1 = "22c595ca4146c07b16bcf9c8bea86f731f7109d2"
+git-tree-sha1 = "9c405847cc7ecda2dc921ccf18b47ca150d7317e"
 uuid = "31c24e10-a181-5473-b8eb-7969acd0382f"
-version = "0.25.108"
+version = "0.25.109"
 
     [deps.Distributions.extensions]
     DistributionsChainRulesCoreExt = "ChainRulesCore"
@@ -204,6 +204,12 @@ git-tree-sha1 = "e9648d90370e2d0317f9518c9c6e0841db54a90b"
 uuid = "aa1ae85d-cabe-5617-a682-6adf51b2e16a"
 version = "0.9.31"
 
+[[deps.LLMMCTS]]
+deps = ["JSON3"]
+path = "/appfolder/app/privatejuliapkg/LLMMCTS"
+uuid = "d76c5a4d-449e-4835-8cc4-dd86ec44f241"
+version = "0.1.0"
+
 [[deps.LazyArtifacts]]
 deps = ["Artifacts", "Pkg"]
 uuid = "4af54fe1-eca0-43a8-85a7-787d91b784e3"
@@ -272,9 +278,9 @@ version = "2.4.6"
 
 [[deps.MQTTClient]]
 deps = ["Distributed", "Random", "Sockets"]
-git-tree-sha1 = "c58ba9d6ae121f58494fa1e5164213f5b4e3e2c7"
+git-tree-sha1 = "f2597b290d4bf17b577346153cd2ddf9accb5c26"
 uuid = "985f35cc-2c3d-4943-b8c1-f0931d5f0959"
-version = "0.3.0"
+version = "0.3.1"
 weakdeps = ["PrecompileTools"]
 
     [deps.MQTTClient.extensions]
diff --git a/Project.toml b/Project.toml
index b3951f5..55e0cad 100644
--- a/Project.toml
+++ b/Project.toml
@@ -10,6 +10,7 @@ Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
 GeneralUtils = "c6c72f09-b708-4ac8-ac7c-2084d70108fe"
 HTTP = "cd3eb016-35fb-5094-929b-558a96fad6f3"
 JSON3 = "0f8b85d8-7281-11e9-16c2-39a750bddbf1"
+LLMMCTS = "d76c5a4d-449e-4835-8cc4-dd86ec44f241"
 MQTTClient = "985f35cc-2c3d-4943-b8c1-f0931d5f0959"
 PrettyPrinting = "54e16d92-306c-5ea0-a30b-337be88ac337"
 PythonCall = "6099a3de-0909-46bc-b1f4-468b9a2dfc0d"
diff --git a/previousversion/0.1/src/type.jl b/previousversion/0.1/src/type.jl
index f55ad1a..f6b98e7 100644
--- a/previousversion/0.1/src/type.jl
+++ b/previousversion/0.1/src/type.jl
@@ -102,6 +102,7 @@ mutable struct sommelier <: agent
   # 1-historyPoint is in Dict{Symbol, Any} and compose of: 
   # state, statevalue, thought, action, observation
   plan::Dict{Symbol, Any}
+  mctsWorkDict::Dict{Symbol, Any}
 end
 
 function sommelier(
@@ -149,6 +150,7 @@ function sommelier(
     :activeplan => Dict{Symbol, Any}(),  # current using plan
     :currenttrajectory=> Dict{Symbol, Any}(),  # store question, thought, action, observation, ...
     )
+  mctsWorkDict::Dict{Symbol, Any} = Dict{Symbol, Any}()
   )
 
   #[NEXTVERSION] publish to a.config[:configtopic] to get a config.
@@ -167,6 +169,7 @@ function sommelier(
     chathistory,
     keywordinfo,
     plan,
+    mctsWorkDict,
     )
   
   return newAgent
diff --git a/src/interface.jl b/src/interface.jl
index 242e314..0a8d62a 100644
--- a/src/interface.jl
+++ b/src/interface.jl
@@ -79,7 +79,7 @@ julia> output_thoughtDict = Dict(
 
 # Signature
 """
-function decisionMaker(a::T1, state::T2)::Dict{Symbol, Any} where {T1<:agent, T2<:AbstractDict}
+function decisionMaker(config::T1, state::T2)::Dict{Symbol, Any} where {T1<:AbstractDict, T2<:AbstractDict}
   customerinfo = 
   """
   I will give you the following information about customer:
@@ -169,7 +169,7 @@ function decisionMaker(a::T1, state::T2)::Dict{Symbol, Any} where {T1<:agent, T2
   """
 
   # apply LLM specific instruct format
-  externalService = a.config[:externalservice][:text2textinstruct]
+  externalService = config[:externalservice][:text2textinstruct]
   llminfo = externalService[:llminfo]
   prompt = 
   if llminfo[:name] == "llama3instruct"
@@ -181,10 +181,10 @@ function decisionMaker(a::T1, state::T2)::Dict{Symbol, Any} where {T1<:agent, T2
   msgMeta = GeneralUtils.generate_msgMeta(
     externalService[:mqtttopic],
     senderName= "decisionMaker",
-    senderId= a.id,
+    senderId= string(uuid4()),
     receiverName= "text2textinstruct",
-    mqttBroker= a.config[:mqttServerInfo][:broker],
-    mqttBrokerPort= a.config[:mqttServerInfo][:port],
+    mqttBroker= config[:mqttServerInfo][:broker],
+    mqttBrokerPort= config[:mqttServerInfo][:port],
   )
 
   outgoingMsg = Dict(
@@ -212,7 +212,7 @@ function decisionMaker(a::T1, state::T2)::Dict{Symbol, Any} where {T1<:agent, T2
         "observation": "..."
       }
       """
-      responseJsonStr = jsoncorrection(a, _responseJsonStr, expectedJsonExample)
+      responseJsonStr = jsoncorrection(config, _responseJsonStr, expectedJsonExample)
       thoughtDict = copy(JSON3.read(responseJsonStr)) 
 
       # check if dict has all required value
@@ -786,6 +786,11 @@ function reflector(a::T1, state::T2)::String where {T1<:agent, T2<:AbstractDict}
 end
 
 
+function transition()
+  error("--> transition")
+end
+
+
 # """ Determine whether the state is a terminal state
 
 # # Arguments
@@ -882,6 +887,7 @@ julia> response = ChatAgent.conversation(newAgent, "Hi! how are you?")
 # Signature
 """
 function conversation(a::T, userinput::Dict) where {T<:agent}
+  config = deepcopy(a.config)
   if userinput[:text] == "newtopic"
     clearhistory(a)
     return "Okay. What shall we talk about?"
@@ -920,8 +926,9 @@ function conversation(a::T, userinput::Dict) where {T<:agent}
   end
 
   while true
-    bestNextState, besttrajectory = runMCTS(a, a.plan[:currenttrajectory], decisionMaker, 
-        evaluator, reflector, totalsample=2, maxDepth=3, maxiterations=3, explorationweight=1.0)
+    bestNextState, besttrajectory = LLMMCTS.runMCTS(config, a.plan[:currenttrajectory], 
+                              decisionMaker, evaluator, reflector, transition;
+                              totalsample=2, maxDepth=3, maxiterations=3, explorationweight=1.0)
     a.plan[:activeplan] = bestNextState
 
     latestActionKey, latestActionIndice = 
diff --git a/src/llmfunction.jl b/src/llmfunction.jl
index 2e25ad9..c169929 100644
--- a/src/llmfunction.jl
+++ b/src/llmfunction.jl
@@ -728,9 +728,9 @@ julia>
 
 # Signature
 """
-function jsoncorrection(a::T1, input::T2, correctJsonExample::T3;
+function jsoncorrection(config::T1, input::T2, correctJsonExample::T3;
   maxattempt::Integer=3
-  ) where {T1<:agent, T2<:AbstractString, T3<:AbstractString}
+  ) where {T1<:AbstractDict, T2<:AbstractString, T3<:AbstractString}
 
   incorrectjson = deepcopy(input)
   correctjson = nothing
@@ -762,7 +762,7 @@ function jsoncorrection(a::T1, input::T2, correctJsonExample::T3;
       """
 
       # apply LLM specific instruct format
-      externalService = a.config[:externalservice][:text2textinstruct]
+      externalService = config[:externalservice][:text2textinstruct]
       llminfo = externalService[:llminfo]
       prompt = 
       if llminfo[:name] == "llama3instruct"
@@ -775,10 +775,10 @@ function jsoncorrection(a::T1, input::T2, correctJsonExample::T3;
       msgMeta = GeneralUtils.generate_msgMeta(
         externalService[:mqtttopic],
         senderName= "jsoncorrection",
-        senderId= a.id,
+        senderId= string(uuid4()),
         receiverName= "text2textinstruct",
-        mqttBroker= a.config[:mqttServerInfo][:broker],
-        mqttBrokerPort= a.config[:mqttServerInfo][:port],
+        mqttBroker= config[:mqttServerInfo][:broker],
+        mqttBrokerPort= config[:mqttServerInfo][:port],
       )
 
       outgoingMsg = Dict(