AEVS
proof-of-execution for AI agents
AEVS launched on June 15, 2026 with 131 votes, #263 of 22,647 launches that month and more than 95% of that year's launches.
What it does
AEVS (Agent Execution Verification System) is a drop-in SDK that records every AI agent tool call and gives agents verifiable execution receipts. It captures the tool, inputs, outputs, status, and timing as tamper-evident proof, so teams can verify what an agent actually executed without relying on chat history or fragile logs.
Tamper-evident, ECDSA-signed receipts for every AI agent tool execution. KMS-backed. Two lines of code. No changes to your tools.
Tamper-evident receipts for every agent action. Drop-in SDK. Your tools stay the same. import os, aevs from dotenv import load_dotenv load_dotenv () aevs. configure ( api_key=os.environ[ "AEVS_API_KEY" ], agent_id=os.environ[ "AEVS_AGENT_ID" ], ) aevs. enable () # auto-detects langchain, mcp # run your agent - every tool call → signed receipt import os, aevs from dotenv import load_dotenv from langchain_openai import ChatOpenAI from langchain.agents import create_agent load_dotenv () aevs. configure ( api_key=os.environ[ "AEVS_API_KEY" ], agent_id=os.environ[ "AEVS_AGENT_ID" ], ) aevs. enable (frameworks=[ "langchain" ]) agent = create_agent ( model= ChatOpenAI (model= "gpt-4o" ),…from aevs.fetch.ai
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