Alternatives to SCRIPTMASTERLABS — GatePay
Policy-gated Arc payment routing: hard caps, signed mandates, hash-chained proof.
SCRIPTMASTERLABS — GatePay is tagged AI, Finance. The servers below cover similar ground, ranked by how many tags they share with it, then by GitHub stars.
tradememory-protocol
by mnemox-ai
Tamper-evident decision audit trail and outcome-weighted memory for AI trading agents.
uvx tradememory-protocol@0.5.61NFER Inference Discovery
by business.hesoyam
Inspect 1NFER models, crypto funding terms and task cost without keys or paid calls.
https://hesoyam.business/agent-tools/mcp402MCP.org — HTTP 402 & Agent Payment Registry
by org.402mcp
Decode HTTP 402 challenges (L402, x402, MPP) and choose agent payment rails from an open registry.
npx -y @402mcp/mcp@1.1.1402shield
by io.github.MitchSingh
x402 payment security and pre-execution transaction risk screening for autonomous AI agents.
https://four02shield.onrender.com/mcp47620 Solana Data API
by io.github.47620-xyz
x402 pay-per-call Solana data + crypto market + JWT/unit utils for AI agents.
npx -y 47620-solana-mcp@1.1.09192 Public Compute
by br.com.nineoneninetwo
Remote MCP for 9192 discovery, pricebook, payment rails, GET_PULSE quotes, and receipt checks.
https://nineoneninetwo.com.br/mcp99Pay MCP
by io.github.mcp-dir
Connect your 99Pay account to AI via Brazil's Open Finance: balances, statements, cards, investments
https://api.mcp.ai/p_99payA-Pay Protocol
by io.github.neuralaisofficial-lang
Universal HTTP 402 Micropayment Protocol & Autonomous Economic Settlement Engine for AI Agents
uvx apay@0.1.8AccessGraph
by site.chatgpt.snugguppy5.accessgraph
Policy-aware web access preflight: robots, licensing, payment and advertised routes for agents.
https://accessgraph.snugguppy5.chatgpt.site/agent/mcpAdvan: Solana trading tools
by io.github.solaradex
Non-custodial Solana trading MCP: Jupiter quotes/swaps, token risk, portfolio. x402-paid.
npx -y advan-mcp@0.1.0Agent Arena
by io.github.agentarenaleague
Paper trading only. 26 leagues for AI bots. Spot Crypto + Crypto 35 live. Register by MCP.
https://agentarenaleague.pages.dev/mcpAgent Contract Proof
by dev.workers.mattskowronis.agent-contract-proof
Verify an agent's advertised route, price, payment details, and schemas against its live endpoint.
https://agent-contract-proof.mattskowronis.workers.dev/mcp