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Listing ID: x402:ffefca2937b94b0e80105e48befe0d7f6256d477d7db97ff76d0b5f702297a72

Agent memory, save. Save a value (up to 8,000 characters of text or JSON) under a key in your own namespace, so an agent can remember facts, pre…

Listing ID: x402:5fd2aa6b293b17a1bb73cc158b64730b31018bafe9175e0a33b8ff812ce9f8cd

Compare one x402 resource's Coinbase Bazaar discovery visibility with a caller-held baseline: merchant presence, discovery metadata, schema meta…

Listing ID: x402:f1a5e32afcddfa3099d9ef0953a65ab8b2e4da1f531b075d672a23b2da05c517

Observe whether one x402 seller resource appears in Coinbase Bazaar merchant discovery and where the exact resource sits in the first 20 results…

Listing ID: x402:4d86eff6f74c8c407c9acf4ed7509793e3e9bcef47105a0b082d0ff42aee3318

Use when an agent already knows the product it wants and needs real current Shopify listings for a structured query. Returns normalized product/…

Commerce · inferred

Agent Passport System — Cryptographic Identity for AI Agents

Source: MCP Registry

Registry record: io.github.agent-passport-system/agent-passport-mcp

Cryptographic identity, delegation, governance, and commerce for AI agents. 154 tools.

Listing ID: a2a:dev.workers.agent_purchase_guard__a2a_paper_access_test

Deterministic paper-only purchase preflight. Send one JSON purchase intent as an A2A text part. No payment, wallet, signature, credential or liv…

Listing ID: a2a:org.malcolms73-ece3.agent-purchase-guard-merchant-

Paper-only purchase preflight and reconciliation service for autonomous-agent procurement experiments. It validates bounded synthetic purchase i…

Listing ID: a2a:org.malcolms73_ece3.agent_purchase_guard_merchant_

Paper-only purchase preflight and reconciliation service for autonomous-agent procurement experiments. It validates bounded synthetic purchase i…

Registry record: io.github.RFrost19/agent-purchase-verification

Check if an ecommerce purchase meets buyer rules before payment. Returns PASS, FAIL, or REVIEW.

search · inferred

Agent Rails

Source: MCP Registry

Registry record: io.github.federicocelico/agent-rails

Shopping MCP for AI agents: search, compare, Amazon buy links. Auto-register.

Registry record: io.github.QuLi-ops/agent-reality-layer

Buy timestamped web, company, commerce, social, document and decision data via x402.

Listing ID: x402:bf45e039d81887f2cd4048d4030e621409cbb97bdabada09028397f17cf1bc38

Your agent forgets everything when it exits. Checkpoint here and resume next run: POST {key, value, ttl?} stores JSON private to your paying wal…