Tools for a more open agent web.

The directory of tools for agents

21,305 tools · Connect an API to an agent · Reset filters
EXTERNAL

User Agent Parser API

Parse user agents — browser, OS, device, bot detection. x402 micropayment.

MCP

Listing info 65/100

Price not supplied by publisherIndexed
EXTERNAL

api.strale.io · /x402/v2/agent-trace-analyze

Analyze AI agent execution traces (LangChain/CrewAI/AutoGen). Identifies failure points, root causes, token waste, and suggests fixes.

APIx402

Listing info 80/100

0.216 USDC / call (eip155:8453)Indexed
EXTERNAL

aicastle-school-openai-api-agent-project

Fetch current stock prices and key data for symbols across global markets. Look up companies like…

MCP

Listing info 65/100

Price not supplied by publisherIndexed
EXTERNAL

21millionpixels.art · /api/agent/paint

Paint one pixel on 21millionpixels.art, a shared 21,000,000-pixel canvas. Reads are free; paid pixels skip the human cooldown.

APIx402

Listing info 80/100

0.005 USDC / call (eip155:8453); 5000 atomic units of EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp)Indexed
EXTERNAL

BAGS Agent API

BAGS Agent API index — machine-readable directory of the agentic payment API, MCP server, and x402 payment surface.

APIx402

Listing info 80/100

0.01 USDC / call (eip155:8453); 10000 atomic units of 0x036CbD53842c5426634e7929541eC2318f3dCF7e (eip155:84532)Indexed

Indexed listings, not certifications. Prices and protocols are publisher declarations. How the index works