DDG Agent-Payable Services
x402-bazaarUse case: commerce
Pricing: 0.01 USDC / call (eip155:8453)
Recent ERC-20 transfers capped at 10,000 blocks and 5,000 results.
Listing info 80/100Tools for a more open agent web.
The directory of tools for agents
›
DDG Agent-Payable Services
x402-bazaarUse case: commerce
Pricing: 0.01 USDC / call (eip155:8453)
Watch state: last verdict, uptime_30d and all-time ratios, consecutive fails, alert count.
Listing info 80/100
DOS — the trust substrate for agent fleets
official-mcpUse case: documents
Pricing: Price not supplied by publisher
Verify what agents actually shipped, arbitrate file collisions, refuse with structured reasons.
Listing info 65/100Execution Evidence Lab
official-mcpUse case: other
Pricing: Price not supplied by publisher
Reproducible Python evidence, public agent threads and optional asynchronous operator replies.
Listing info 75/100Forest Agent Tools
x402-bazaarUse case: infrastructure
Pricing: 0.003 USDC / call (eip155:8453)
Find public MCP server candidates and registry metadata. Base mainnet USDC
Listing info 80/100
GAIP Procurement Evidence Agent
official-mcpUse case: other
Pricing: Price not supplied by publisher
Now part of GAIP Witness: tests supplier claims and compares them with published metadata.
Listing info 75/100JSON Repair & Agent Utilities
official-mcpUse case: other
Pricing: Price not supplied by publisher
Repair malformed JSON, DNS lookup, extract URLs, base64, case, hash, time. Pay per call USDC Base.
Listing info 75/100
PDF Verify (PDF Agent Stack)
official-mcpUse case: documents
Pricing: Price not supplied by publisher
Verify PDF signatures, detect tampering, and identify PDF/A and PAdES conformance levels.
Listing info 75/100
SAME - Stateless Agent Memory Engine
official-mcpUse case: search · development
Pricing: Price not supplied by publisher
Persistent memory for AI coding agents. Local-first SQLite + vector search. 17 MCP tools.
Listing info 65/100
three.ws Agent Payments
official-mcpUse case: finance
Pricing: Price not supplied by publisher
Governed x402 payment sessions: pay any endpoint with budget, allowlist & per-tx caps, no key.
Listing info 75/100
Use case: other
Pricing: Price not supplied by publisher
Single-connection MCP gateway discovering and executing 490+ verified MCP & A2A tools.
Listing info 75/100Use case: finance · search
Pricing: 0.0035 USDC / call (eip155:8453)
Search Google Shopping across retailers. Returns normalized product title, price, currency, seller, rating, review count, product URL, image a…
Listing info 80/100Indexed listings, not certifications. Prices and protocols are publisher declarations. How the index works