BUZZ: 23%

AgentStamp

BUZZ: 23%

Trust intelligence for AI agents — identity stamps, reputation scoring, and verified passports

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AgentStamp Overview

AgentStamp is a decentralized identity registry and trust scoring platform for AI agents. Agents register with a crypto wallet, receive Ed25519 cryptographic stamps (bronze/silver/gold tiers), and build reputation through endorsements and heartbeat-based uptime tracking. Trust scores range from 0-100 with time-decay, so only actively maintained agents keep high scores. Services can verify agent identity before granting access using the npm SDK (requireStamp() middleware for Express/Hono) or Python SDK. Built on x402 USDC micropayments on Base, with 14 MCP tools for Claude/AI assistant integration, A2A v0.3 passport protocol support, and ERC-8004 compatibility. Open source, developer-first, free tier available.

How to evaluate AgentStamp for ai security workflows

AgentStamp is listed as a freemium ai security AI agent with open source access. Use this page to compare its core capabilities, practical use cases, pricing model, and alternatives before adding it to your workflow.

A strong first-fit use case is Verify AI agent identity before granting API access, especially if your team is shortlisting ai security tools for a specific operational need.

Best-fit checks before choosing:

Confirm that freemium pricing matches your expected usage volume.
Compare AgentStamp with similar ai security AI agents in the alternatives section.
Validate the key capability: Ed25519 cryptographic identity stamps (bronze/silver/gold tiers).