Best Alternatives to TWZRD Agent Intelligence

Trust + receipt layer for x402 agents on Solana: free preflight + paid signed V6 trust receipt.

Blackwall X402 Guardrail

Runtime: npx

Keyless hosted MCP: pre-signature x402 payment verdict (GO/HOLD/STOP) with a signed receipt.

JMT x402 Agent Tools

Runtime: Remote (SSE)

25 x402 paid API tools for AI agents on Base mainnet.

Pulsenetwork

Runtime: npx

785+ paid intelligence endpoints in one MCP server — agents pay per query via x402 USDC on Base.

Stripe AI

Runtime: npx

MCP server integrating with Stripe - tools for customers, products, payments, and more.

Mpp32 MCP Server

Runtime: npx

Payment layer for AI agents. One MCP, five protocols, thousands of paid APIs your agent can call.

WingmanProtocol Agent Gateway

Runtime: npx

Async errands, artifact hosting, watches, memory + 15 calculators for AI agents. x402 on Base.

Blackwall X402 Guardrail

Runtime: npx

Pre-signature x402 payment verdict (GO/HOLD/STOP) for AI agents, with a verifiable signed receipt.

Hera Agent Unity

Runtime: npx

Control and verify a live Unity Editor through a local, low-token MCP server.

Nibgate

Runtime: npx

x402 paywall layer for creator sites and agents: paid content, pricing, reputation, ledger.

Markifact: AI Performance Marketing

Runtime: npx

AI marketing agent for Google Ads, Meta, GA4, TikTok, LinkedIn, Shopify, HubSpot and more.

Httpayer MCP

Runtime: npx

x402 micropayments for AI agents — credits-based, no wallets, no blockchain.