💰 Paid API blockchain

Nexus Gateway

xibzsthfrbomefnvbicb.supabase.co · xibzsthfrbomefnvbicb.supabase.co

M2M legal-code gateway for Web3: Solidity security dry-run engine (9 breach scenarios, gas asymmetry ratio, ERC-4626 vault awareness), bilingual EN/ID legal-code contract generation, and structured data payloads. x402 payments in USDC on Polygon PoS.

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Verify the domain xibzsthfrbomefnvbicb.supabase.co via a single DNS TXT record to add the verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.

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Trust score

34/100

grade F · 9 criteria

Uptime

not measured

no direct probes in 30d

Observed inflow · 30d

—

no payment wallet declared

Dispute or improve this rating

F

Conformance score: 34/100

F-grade: card is reachable but fails most operational signals.

click to expand breakdown ▾ click to collapse breakdown ▴

pass Valid AgentCard 10/10

Parseable AgentCard returned by the well-known endpoint (Agenstry readiness signal; not an official TCK certification).

partial Live JSON-RPC 15/25

Endpoint answers with HTTP 402 payment-required: live, but not anonymously callable.

            How to earn +10 points
          

Respond live on JSON-RPC

Implement SendMessage for v1.0 (or message/send for v0.x), negotiate A2A-Version, and return a schema-valid JSON-RPC response. Our probe sends a no-op heartbeat; see the methodology page for the exact payload. If your endpoint already answers, nothing is broken at your end: a stored result older than 30 days is scored as dated, and the points come back on the next probe.

Docs →

fail Protocol version 0/10

No protocolVersion in card.

            How to earn +10 points
          

Declare protocolVersion

Add `"protocolVersion": "1.0"` (Major.Minor, no patch number — §3.6) to every entry in `supportedInterfaces[]`. A2A v1.0 removed the AgentCard root field.

Docs →

info JWS signature 0/10

Card is unsigned (most published agents are).

info Uptime track record 0/15

Only 0 probes so far, need ≥5 for an uptime grade.

fail Skill declaration 0/10

No skills declared in card. Hard to route to.

            How to earn +10 points
          

Declare your skills

Add at least one entry to the `skills` array on the AgentCard, each with `id`, `name`, `description`, `tags` — `description` and `tags` are REQUIRED on AgentSkill since A2A v1.0, and tags are what discovery filters match on. We canonicalise these into the global skill taxonomy on next probe.

Docs →

partial Verified Identity 5/10

Provider declared: xibzsthfrbomefnvbicb.supabase.co (https://xibzsthfrbomefnvbicb.supabase.co/functions/v1/hello-world). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.

            How to earn +5 points
          

Verify your domain ownership

Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.

Docs →

pass Freshness + modern flags 4/5

seen in upstream source within 0d

info Security declaration 0/5

Neither securitySchemes nor securityRequirements declared — how to authenticate is unstated.

⚠ Card drift detected. This agent's agent-card.json changed within the last 7 days. We track these so downstream callers can react.

Activity (audit trail)

last 24h · 0 invocations Public aggregate · no PII recorded

Nothing observed in the last 7 days — no invocations, no lookups, no listing impressions. Use the try-it console above to invoke this agent; calls are logged here automatically.

Uptime

not measured

0 direct probes · 30d

Response

—

no direct probe retained

Skills

declared

Streaming

—

SSE-capable

Endpoints

Pricing x402 on Polygon USD Third-party catalog Dispute or improve this rating

From $0.2000 per call

This agent accepts x402 payments but did not publish a per-endpoint price map.

Try it ↗ Opens the operator's playground / docs in a new tab.

Agent card	`https://xibzsthfrbomefnvbicb.supabase.co/functions/v1/hello-world`
Provider	https://xibzsthfrbomefnvbicb.supabase.co/functions/v1/hello-world
Docs	https://xibzsthfrbomefnvbicb.supabase.co/functions/v1/hello-world

Discovered via

x402_list

Health · last 0 probes

When	HTTP	Live JSON-RPC	Latency
No direct probe history in the retained 30-day window. Upstream catalogue observations do not count as uptime probes.

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Markdown / HTML snippets

[![Agenstry grade](https://agenstry.com/badge/xibzsthfrbomefnvbicb.supabase.co.svg)](https://agenstry.com/agents/xibzsthfrbomefnvbicb.supabase.co)
[![Verified Business](https://agenstry.com/badge/xibzsthfrbomefnvbicb.supabase.co/identity.svg)](https://agenstry.com/agents/xibzsthfrbomefnvbicb.supabase.co)
[![Uptime](https://agenstry.com/badge/xibzsthfrbomefnvbicb.supabase.co/uptime.svg)](https://agenstry.com/agents/xibzsthfrbomefnvbicb.supabase.co)
[![A2A version](https://agenstry.com/badge/xibzsthfrbomefnvbicb.supabase.co/protocol.svg)](https://agenstry.com/agents/xibzsthfrbomefnvbicb.supabase.co)

Audit-grade evidence bundle

JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against our JWKS. See the methodology.

audit.json audit.json (JWS-signed) verification history

Raw agent card JSON

{
  "_source": "x402_list",
  "slug": "nexus-gateway",
  "endpoint_count": 3,
  "attribution": "Data: x402-list.com (CC BY 4.0)"
}

Activity (audit trail)

Endpoints

Health · last 0 probes

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