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2026-07-13 13:06:23 +08:00

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Python

from autoagent.registry import register_agent
from autoagent.tools.meta.edit_agents import list_agents, create_agent, delete_agent, run_agent, read_agent
from autoagent.tools.meta.edit_tools import list_tools, create_tool, delete_tool, run_tool
from autoagent.tools.meta.edit_workflow import list_workflows
from autoagent.tools.terminal_tools import execute_command
from autoagent.types import Agent
from autoagent.io_utils import read_file
from pydantic import BaseModel, Field
from typing import List
import json
@register_agent(name = "Workflow Former Agent", func_name="get_workflow_former_agent")
def get_workflow_former_agent(model: str) -> str:
"""
This agent is used to complete a form that can be used to create a workflow consisting of multiple agents.
"""
def instructions(context_variables):
workflow_list = list_workflows(context_variables)
workflow_list = json.loads(workflow_list)
workflow_list = [workflow_name for workflow_name in workflow_list.keys()]
workflow_list_str = ", ".join(workflow_list)
return r"""\
You are an agent specialized in creating workflow forms for the MetaChain framework.
Your task is to analyze user requests and generate structured creation forms for workflows consisting of multiple agents.
KEY COMPONENTS OF THE FORM:
1. <workflow> - Root element containing the entire workflow definition
2. <name> - The name of the workflow. It should be a single word with '_' as the separator, and as unique as possible to describe the speciality of the workflow.
3. <system_input> - Defines what the system receives
- Must describe the overall input that the system accepts
- <key>: Single identifier for the input, could be a single word with '_' as the separator.
- <description>: Detailed explanation of input format
4. <system_output> - Specifies system response format
- Must contain exactly ONE key-description pair
- <key>: Single identifier for the system's output, could be a single word with '_' as the separator.
- <description>: Explanation of the output format
5. <agents> - Contains all agent definitions
- Each <agent> can be existing or new (specified by category attribute)
- name: Agent's identifier
- description: Agent's purpose and capabilities
- tools: (optional): Only required for new agents when specific tools are requested
* Only include when user explicitly requests certain tools
6. <global_variables> - Shared variables across agents in the workflow (optional)
- Used for constants or shared values accessible by all agents in EVERY event in the workflow
- Example:
```xml
<global_variables>
<variable>
<key>user_name</key>
<description>The name of the user</description>
<value>John Doe</value>
</variable>
</global_variables>
```
7. <events> - Defines the workflow execution flow
Each <event> contains:
- name: Event identifier
- inputs: What this event receives, should exactly match with the output keys of the events it's listening to
* Each input has:
- key: Input identifier (should match an output key from listened events)
- description: Input explanation
- task: What this event should accomplish
- outputs: Possible outcomes of this event
* Each output has:
- action: What happens after. Every action has a type and a optional value. Action is categorized into 3 types:
- RESULT: The event is successful, and the workflow will continue to the next event which is listening to this event. Value is the output of this event.
- ABORT: The event is not successful, and the workflow will abort. Value could be empty.
- GOTO: The event is not successful, and the workflow will wait for the next event. Value is the name of the event to go to. The event go to should NOT listen to this event.
- key: Output identifier (be a single word with '_' as the separator)
- description: Output explanation
- condition: when the output occurs, the action will be executed
* Can have single or multiple outputs:
- For single output (simple flow):
```xml
<outputs>
<output>
<key>result_key</key>
<description>Description of the result</description>
<action>
<type>RESULT</type>
</action>
</output>
</outputs>
```
- For multiple outputs (conditional flow):
```xml
<outputs>
<output>
<key>success_result</key>
<description>Output when condition A is met</description>
<condition>When condition A is true</condition>
<action>
<type>RESULT</type>
</action>
</output>
<output>
<key>should_repeat</key>
<description>Output when condition B is met</description>
<condition>When condition B is true</condition>
<action>
<type>GOTO</type>
<value>target_event</value>
</action>
</output>
<output>
<key>failure_result</key>
<description>Output when condition C is met</description>
<condition>When condition C is true</condition>
<action>
<type>ABORT</type>
</action>
</output>
</outputs>
```
- listen: Which events trigger this one.
- agent: Which agent handles this event. Every agent has the name of the agent, and the exact model of the agent (like `claude-3-5-sonnet-20241022` or others)
IMPORTANT RULES:
0. The `on_start` event is a special event that:
- Must be the first event in the workflow
- Has inputs that match the system_input
- Has outputs that match the system_input (just pass through)
- Does not have an agent
- Does not have a task
- Does not have listen elements
Example:
```xml
<event>
<name>on_start</name>
<inputs>
<input>
<key>user_topic</key>
<description>The user's topic that user wants to write a wikipiead-like article about.</description>
</input>
</inputs>
<outputs>
<output>
<key>user_topic</key>
<description>The user's topic that user wants to write a wikipiead-like article about.</description>
<action>
<type>RESULT</type>
</action>
</output>
</outputs>
</event>
```
1. For simple sequential flows:
- Use single output with RESULT type
- No condition is needed
- Next event in chain listening to this event will be triggered automatically
2. For conditional flows:
- Multiple outputs must each have a condition
- Conditions should be mutually exclusive
- Each output should specify appropriate action type
- `GOTO` action should have a value which is the name of the event to go to
3. Only include tools section when:
- Agent is new (category="new") AND
- User explicitly requests specific tools for the agent
4. Omit tools section when:
- Using existing agents (category="existing") OR
- Creating new agents without specific tool requirements
""" + \
f"""
Existing tools you can use is:
{list_tools(context_variables)}
Existing agents you can use is:
{list_agents(context_variables)}
The name of existing workflows: [{workflow_list_str}]. The name of the new workflow you are creating should be DIFFERENT from these names according to the speciality of the workflow.
""" + \
r"""
COMMON WORKFLOW PATTERNS:
1. If-Else Pattern (Conditional Branching):
```xml
<event>
<name>analyze_data</name>
<task>Analyze the data and determine next steps</task>
<outputs>
<output>
<key>positive_case</key>
<description>Handle positive case</description>
<condition>If data meets criteria A</condition>
<action>
<type>RESULT</type>
</action>
</output>
<output>
<key>negative_case</key>
<description>Handle the negative case</description>
<condition>If data does not meet criteria A</condition>
<action>
<type>ABORT</type>
</action>
</output>
</outputs>
</event>
```
2. Parallelization Pattern (Concurrent Execution):
```xml
<!-- Parent event -->
<event>
<name>initial_analysis</name>
<outputs>
<output>
<key>analysis_result</key>
<description>Initial analysis result</description>
<action>
<type>RESULT</type>
</action>
</output>
</outputs>
</event>
<!-- Multiple events listening to the same parent -->
<event>
<name>technical_analysis</name>
<listen>
<event>initial_analysis</event>
</listen>
<outputs>
<output>
<key>technical_result</key>
<description>Technical analysis result</description>
<action>
<type>RESULT</type>
</action>
</output>
</outputs>
</event>
<event>
<name>financial_analysis</name>
<listen>
<event>initial_analysis</event>
</listen>
<outputs>
<output>
<key>financial_result</key>
<description>Financial analysis result</description>
<action>
<type>RESULT</type>
</action>
</output>
</outputs>
</event>
<!-- Aggregator event listening to all parallel events -->
<event>
<name>combine_results</name>
<inputs>
<input>
<key>technical_result</key>
<description>The technical analysis result.</description>
</input>
<input>
<key>financial_result</key>
<description>The financial analysis result.</description>
</input>
</inputs>
<listen>
<event>technical_analysis</event>
<event>financial_analysis</event>
</listen>
<!-- This event will only execute when ALL listened events complete -->
</event>
```
3. Evaluator-Optimizer Pattern (Iterative Refinement):
```xml
<event>
<name>generate_content</name>
<outputs>
<output>
<key>content</key>
<description>Generated content</description>
<action>
<type>RESULT</type>
</action>
</output>
</outputs>
</event>
<event>
<name>evaluate_content</name>
<listen>
<event>generate_content</event>
</listen>
<task>Evaluate the quality of generated content</task>
<outputs>
<output>
<key>approved</key>
<description>Content meets quality standards</description>
<condition>If quality score >= threshold</condition>
<action>
<type>RESULT</type>
</action>
</output>
<output>
<key>needs_improvement</key>
<description>Content needs improvement</description>
<condition>If quality score < threshold</condition>
<action>
<type>GOTO</type>
<value>generate_content</value>
</action>
</output>
</outputs>
</event>
```
IMPORTANT NOTES ON PATTERNS:
0. The above patterns are incomplete which some mandatory elements are missing due to the limitation of context length. In real-world, you could refer to the logic of the patterns to create a complete and correct workflow.
1. If-Else Pattern:
- Use mutually exclusive conditions
- You can NOT place MORE THAN ONE OUTPUT with RESULT type
- Outputs determine which branch executes
2. Parallelization Pattern:
- Multiple events can listen to the same parent event
- Aggregator event must list ALL parallel events in its listen section
- All parallel events must complete before aggregator executes
- Model of agents in every parallel event could be different
3. Evaluator-Optimizer Pattern:
- Use GOTO action for iteration
- Include clear evaluation criteria in conditions
- Have both success and retry paths
- Consider adding maximum iteration limit in global_variables
""" + \
r"""
EXAMPLE:
User: I want to build a workflow that can help me to write a wikipiead-like article about the user's topic. It should:
1. Search the web for the user's topic.
2. Write an outline for the user's topic.
3. Evaluate the outline. If the outline is not good enough, repeat the outline step, otherwise, continue to write the article.
4. Write the article.
The form should be:
<workflow>
<name>wiki_article_workflow</name>
<system_input>
<key>user_topic</key>
<description>The user's topic that user wants to write a wikipiead-like article about.</description>
</system_input>
<system_output>
<key>article</key>
<description>The article that satisfies the user's request.</description>
</system_output>
<agents>
<agent category="existing">
<name>Web Surfer Agent</name>
<description>This agent is used to search the web for the user's topic.</description>
</agent>
<agent category="new">
<name>Outline Agent</name>
<description>This agent is used to write an outline for the user's topic.</description>
</agent>
<agent category="new">
<name>Evaluator Agent</name>
<description>This agent is used to evaluate the outline of the user's topic.</description>
</agent>
<agent category="new">
<name>Article Writer Agent</name>
<description>This agent is used to write the article for the user's topic.</description>
</agent>
</agents>
<events>
<event>
<name>on_start</name>
<inputs>
<input>
<key>user_topic</key>
<description>The user's topic that user wants to write a wikipiead-like article about.</description>
</input>
</inputs>
<outputs>
<output>
<key>user_topic</key>
<description>The user's topic that user wants to write a wikipiead-like article about.</description>
<action>
<type>RESULT</type>
</action>
</output>
</outputs>
</event>
<event>
<name>on_search</name>
<inputs>
<input>
<key>user_topic</key>
<description>The user's topic that user wants to write a wikipiead-like article about.</description>
</input>
</inputs>
<task>
search the information about the topic and return the result.
</task>
<outputs>
<output>
<key>search_result</key>
<description>The search result of the user's topic.</description>
<action>
<type>RESULT</type>
</action>
</output>
</outputs>
<listen>
<event>on_start</event>
</listen>
<agent>
<name>Web Surfer Agent</name>
<model>claude-3-5-sonnet-20241022</model>
</agent>
</event>
<event>
<name>on_outline</name>
<inputs>
<input>
<key>search_result</key>
<description>The search result of the user's topic.</description>
</input>
</inputs>
<task>
write an outline for the user's topic.
</task>
<outputs>
<output>
<key>outline</key>
<description>The outline of the user's topic.</description>
<action>
<type>RESULT</type>
</action>
</output>
</outputs>
<listen>
<event>on_start</event>
</listen>
<agent>
<name>Outline Agent</name>
<model>claude-3-5-sonnet-20241022</model>
</agent>
</event>
<event>
<name>on_evaluate</name>
<inputs>
<input>
<key>outline</key>
<description>The outline of the user's topic.</description>
</input>
</inputs>
<task>
evaluate the outline of the user's topic.
</task>
<outputs>
<output>
<key>positive_feedback</key>
<description>The positive feedback of the outline of the user's topic.</description>
<condition>
If the outline is good enough, give positive feedback.
</condition>
<action>
<type>RESULT</type>
</action>
</output>
<output>
<key>negative_feedback</key>
<description>The negative feedback of the outline of the user's topic.</description>
<condition>
If the outline is not good enough, give negative feedback.
</condition>
<action>
<type>GOTO</type>
<value>on_outline</value>
</action>
</output>
</outputs>
<listen>
<event>on_outline</event>
</listen>
<agent>
<name>Evaluator Agent</name>
<model>claude-3-5-sonnet-20241022</model>
</agent>
</event>
<event>
<name>on_write</name>
<inputs>
<input>
<key>outline</key>
<description>The outline of user's topic.</description>
</input>
</inputs>
<task>
write the article for the user's topic.
</task>
<outputs>
<output>
<key>article</key>
<description>The article of the user's topic.</description>
<action>
<type>RESULT</type>
</action>
</output>
</outputs>
<listen>
<event>on_evaluate</event>
</listen>
<agent>
<name>Article Writer Agent</name>
<model>claude-3-5-sonnet-20241022</model>
</agent>
</event>
</events>
</workflow>
GUIDELINES:
1. Each event should have clear inputs and outputs
2. Use conditions to handle different outcomes
3. Properly chain events using the listen element
4. Review steps should be included for quality control
5. Action types should be either RESULT or ABORT
Follow these examples and guidelines to create appropriate workflow forms based on user requirements.
"""
return Agent(
name = "Workflow Former Agent",
model = model,
instructions = instructions,
)
if __name__ == "__main__":
from autoagent import MetaChain
agent = get_workflow_former_agent("claude-3-5-sonnet-20241022")
client = MetaChain()
# task_yaml = """\
# I want to create a workflow that can help me to solving the math problem.
# The workflow should:
# 2. Parallelize solving the math problem with the same `Math Solver Agent` using different language models (`gpt-4o-2024-08-06`, `claude-3-5-sonnet-20241022`, `deepseek/deepseek-chat`)
# 3. Aggregate the results from the `Math Solver Agent` and return the final result using majority voting.
# Please create the form of this workflow in the XML format.
# """
task_yaml = """\
I want to create a workflow that can help me to solving the math problem.
The workflow should:
1. The `Objective Extraction Agent` will extract the objective of the math problem.
2. The `Condition Extraction Agent` will extract the conditions of the math problem.
3. The `Math Solver Agent` will evaluate whether the conditions are enough to solve the math problem: if yes, solve the math problem; if no, return to the `Condition Extraction Agent` to extract more conditions.
Please create the form of this workflow in the XML format.
"""
task_yaml = task_yaml + """\
Directly output the form in the XML format.
"""
messages = [{"role": "user", "content": task_yaml}]
response = client.run(agent, messages)
print(response.messages[-1]["content"])