Tools for Claude AI Agents

Curated tools that extend what your agent can do — payments, coding, monitoring, and more.

Payments & Spending

Mastercard Agent Pay

Network-level agentic payments with tokenized credentials and enterprise-grade security controls. Built for scale.

Ramp Agent Cards Beta

Built on Visa Intelligent Commerce — policy-driven virtual cards for autonomous agents with corporate expense integration.

ramp.com

AgentCard

Virtual cards + a dedicated @agentcard.email inbox for AI agents. The only card that handles payment and email verification without a human in the loop. Fund with USD or USDC on Base.

agentcard.ai

Slash

MCP-native agent cards with unlimited virtual cards, ACH payments, and stablecoin on/off ramps.

slash.com

Crossmint

Agent cards, wallets, and stablecoin onramps via a unified API. Built for platform developers.

crossmint.com

Code & Dev Environments

Cursor

AI code editor with native Claude support.

cursor.com

Cline

Open source Claude agent for VS Code.

github.com/cline/cline

OpenClaw

Multi-step automation agent built on Claude, runs via Discord. Designed for long-running tasks with human-in-the-loop approval.

openclaw.ai

Monitoring & Observability

Langfuse

Open source LLM tracing and cost tracking across Claude sessions.

langfuse.com

Helicone

Proxy layer for the Claude API — logs every request, tracks spend, and rate-limits agents.

helicone.ai

Agent Frameworks

LangChain

Standard framework for chaining Claude calls, tools, and memory.

langchain.com

Hermes

Open-source autonomous agent by Nous Research. Persistent memory, multi-platform support (Telegram, Discord, Slack, WhatsApp, CLI), and works with 200+ models including Claude.

github.com/NousResearch/Hermes

AutoGen

Microsoft's collaborative multi-agent framework.

microsoft.github.io/autogen

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