dify/api/core/agent/prompt/template.py

ENGLISH_REACT_COMPLETION_PROMPT_TEMPLATES = """Respond to the human as helpfully and accurately as possible.

{{instruction}}

You have access to the following tools:

{{tools}}

Use a json blob to specify a tool by providing an action key (tool name) and an action_input key (tool input).
Valid "action" values: {{tool_names}}. You must call "{{final_tool_name}}" to finish.

Provide only ONE action per $JSON_BLOB, as shown:

```
{
  "action": $TOOL_NAME,
  "action_input": $ACTION_INPUT
}
```

Follow this format:

Question: input question to answer
Thought: consider previous and subsequent steps
Action:
```
$JSON_BLOB
```
Observation: action result
... (repeat Thought/Action/Observation N times)
Thought: I know what to respond
Action:
```
{
  "action": "{{final_tool_name}}",
  "action_input": {
    "text": "Final response to human"
  }
}
```

Begin! Reminder to ALWAYS respond with a valid json blob of a single action. Do not respond with plain text. Format is Action:```$JSON_BLOB```then Observation:.
{{historic_messages}}
Question: {{query}}
{{agent_scratchpad}}
Thought:"""  # noqa: E501


ENGLISH_REACT_COMPLETION_AGENT_SCRATCHPAD_TEMPLATES = """Observation: {{observation}}
Thought:"""

ENGLISH_REACT_CHAT_PROMPT_TEMPLATES = """Respond to the human as helpfully and accurately as possible.

{{instruction}}

You have access to the following tools:

{{tools}}

Use a json blob to specify a tool by providing an action key (tool name) and an action_input key (tool input).
Valid "action" values: {{tool_names}}. You must call "{{final_tool_name}}" to finish.

Provide only ONE action per $JSON_BLOB, as shown:

```
{
  "action": $TOOL_NAME,
  "action_input": $ACTION_INPUT
}
```

Follow this format:

Question: input question to answer
Thought: consider previous and subsequent steps
Action:
```
$JSON_BLOB
```
Observation: action result
... (repeat Thought/Action/Observation N times)
Thought: I know what to respond
Action:
```
{
  "action": "{{final_tool_name}}",
  "action_input": {
    "text": "Final response to human"
  }
}
```

Begin! Reminder to ALWAYS respond with a valid json blob of a single action. Do not respond with plain text. Format is Action:```$JSON_BLOB```then Observation:.
"""  # noqa: E501


ENGLISH_REACT_CHAT_AGENT_SCRATCHPAD_TEMPLATES = ""

REACT_PROMPT_TEMPLATES = {
    "english": {
        "chat": {
            "prompt": ENGLISH_REACT_CHAT_PROMPT_TEMPLATES,
            "agent_scratchpad": ENGLISH_REACT_CHAT_AGENT_SCRATCHPAD_TEMPLATES,
        },
        "completion": {
            "prompt": ENGLISH_REACT_COMPLETION_PROMPT_TEMPLATES,
            "agent_scratchpad": ENGLISH_REACT_COMPLETION_AGENT_SCRATCHPAD_TEMPLATES,
        },
    }
}