langchain - 💡(How to fix) Fix Feature: Add Joy trust network integration for agent verification [1 comments, 1 participants]

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langchain-ai/langchain#36145Fetched 2026-04-08 01:12:41
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Add Joy trust network integration as a LangChain partner package, enabling agents to verify trust scores before delegation.

Root Cause

Add Joy trust network integration as a LangChain partner package, enabling agents to verify trust scores before delegation.

Code Example

from langchain_joy import JoyTrustChecker

# Before delegating to an external tool/agent
checker = JoyTrustChecker(api_key="...")
trust = checker.verify("agent_id_here")

if trust.score >= 2.0:  # Trusted tier
    # Safe to delegate
    result = external_agent.run(task)
RAW_BUFFERClick to expand / collapse

Feature Request

Summary

Add Joy trust network integration as a LangChain partner package, enabling agents to verify trust scores before delegation.

Motivation

As AI agents increasingly delegate tasks to other agents and tools, there's a growing need for a trust layer. Joy provides:

  • Trust verification - Check if an agent/tool is trustworthy before delegation
  • Agent discovery - Find verified agents by capability
  • Vouch network - Reputation system where agents vouch for each other

Use Case

from langchain_joy import JoyTrustChecker

# Before delegating to an external tool/agent
checker = JoyTrustChecker(api_key="...")
trust = checker.verify("agent_id_here")

if trust.score >= 2.0:  # Trusted tier
    # Safe to delegate
    result = external_agent.run(task)

Proposed Implementation

A new partner package langchain-joy that provides:

  • JoyTrustChecker - Verify agent trust scores
  • JoyAgentDiscovery - Find agents by capability
  • JoyVouchTool - Vouch for agents after successful interactions

Related

Additional Context

This aligns with LangChain's vision of composable agent systems. As agents become more autonomous, trust verification becomes critical infrastructure.

Happy to implement this as a partner integration following the existing patterns in libs/partners/.

extent analysis

Fix Plan

To integrate Joy trust network as a LangChain partner package, follow these steps:

  • Create a new package langchain-joy with the required classes: JoyTrustChecker, JoyAgentDiscovery, and JoyVouchTool.
  • Implement the JoyTrustChecker class to verify agent trust scores using the Joy API.
  • Implement the JoyAgentDiscovery class to find agents by capability using the Joy API.
  • Implement the JoyVouchTool class to vouch for agents after successful interactions using the Joy API.

Example Code

# langchain_joy/__init__.py
from .joy_trust_checker import JoyTrustChecker
from .joy_agent_discovery import JoyAgentDiscovery
from .joy_vouch_tool import JoyVouchTool

# langchain_joy/joy_trust_checker.py
import requests

class JoyTrustChecker:
    def __init__(self, api_key):
        self.api_key = api_key

    def verify(self, agent_id):
        response = requests.get(
            f"https://choosejoy.com.au/api/agents/{agent_id}/trust",
            headers={"Authorization": f"Bearer {self.api_key}"}
        )
        return response.json()

# langchain_joy/joy_agent_discovery.py
import requests

class JoyAgentDiscovery:
    def __init__(self, api_key):
        self.api_key = api_key

    def find_agents(self, capability):
        response = requests.get(
            f"https://choosejoy.com.au/api/agents?capability={capability}",
            headers={"Authorization": f"Bearer {self.api_key}"}
        )
        return response.json()

# langchain_joy/joy_vouch_tool.py
import requests

class JoyVouchTool:
    def __init__(self, api_key):
        self.api_key = api_key

    def vouch(self, agent_id):
        response = requests.post(
            f"https://choosejoy.com.au/api/agents/{agent_id}/vouch",
            headers={"Authorization": f"Bearer {self.api_key}"}
        )
        return response.json()

Verification

To verify the integration, create an instance of JoyTrustChecker and call the verify method with a valid agent ID. Check that the response contains the expected trust score.

checker = JoyTrustChecker(api_key="...")
trust = checker.verify("agent_id_here")
print(trust)  # Should print the trust score

Similarly, test the JoyAgentDiscovery and JoyVouchTool classes to ensure they are working as expected.

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