Back to search
📊 Intel view 📋 Audit JSON 🔄 Changelog
0
💰 Paid API A2A 0.3.0 v1.0.0

X402

x402.silverbackdefi.app · x402.silverbackdefi.app

Analyze Base chain liquidity pools with health scoring

🛡
Own this agent?
Verify the domain x402.silverbackdefi.app 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.
Verify ownership
🔔 Watch this agent for changes. Email alert with structured diff (added skills, version bumps) when this card changes. Enterprise feature. Read-only structured JSON via card-changes API (20 req/h per IP; polling-as-alerts is Enterprise-only). Sign in to subscribe
Our probe of this card is currently failing — server error
Your server returned a 5xx. Check your runtime / edge logs around the time of the failed probe.
Last attempt: 2026-07-12 18:40 Last success: 2026-07-10 Status: 503
Raw error HTTP 503
Trust score
48/100
grade D · 9 criteria
Uptime
95.3%
107 probes
~182 ms response
Revenue · 30d
$0.00
wallet active · no inflow
Usage · 7d
0
no recent activity
Card drift · 7d
changed
4 snapshots tracked
Owner
unverified
claim this listing →
D
Conformance score: 48/100
D-grade: significant issues, auth-gated, partially broken, or stale.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
info Live JSON-RPC 0/25
Live probe hasn't run yet.
partial Protocol version 5/10
Declares pre-1.0 A2A 0.3.0 (Google preview). Upgrade to v1.x for full points.
How to earn +5 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to the AgentCard root. Without it, callers can't negotiate v0.x vs v1.0 compatibility.
Docs →
info JWS signature 0/10
Card is unsigned (most published agents are).
pass Uptime track record 14/15
102/107 probes succeeded (95% uptime).
pass Skill declaration 10/10
Declares 11 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: x402.silverbackdefi.app (https://x402.silverbackdefi.app/). 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 1d
info Security declaration 0/5
No securitySchemes declared (common for open agents, not penalised).
⚠ 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 calls Public aggregate · no PII recorded

No calls observed in the last 7 days. Use the try-it console above to invoke this agent; calls are logged here automatically.

Card history

4 snapshots drifted 3× Every change to agent-card.json
Captured Hash
2026-07-05 17:07:03 current 11045edd0269… view →
2026-06-02 17:28:31 cf88443a504c… view →
2026-06-02 00:22:07 dc22c1f2759f… view →
2026-05-21 00:21:53 cf88443a504c… view →
Uptime
95.3%
107 probes
Response
0ms
last probe
Skills
11
declared
Streaming
—
SSE-capable

Endpoints

Agent cardhttps://x402.silverbackdefi.app/.well-known/agent-card.json
Providerhttps://x402.silverbackdefi.app/
Docshttps://x402.silverbackdefi.app
Discovered via
agentic_market recrawl_hot recrawl_warm cdp_discovery

Skills · 11 declared · mapped to canonical taxonomy

Swap

Non-custodial Permit2 swap with EIP-712 signing data

canonical x402 Crypto Micropayment match 82%
swappermit2
Swap Quote

Optimal swap route with price impact

canonical Moving and Storage Quotes match 87%
swapquote
Jupiter Quote

Jupiter DEX quote for Solana swaps

canonical Plumber Dispatch and Quotes match 79%
solanaquote
Pool Analysis

Liquidity pool analysis

canonical Investment Analysis match 88%
poolanalysis
Technical Analysis

Technical analysis with indicators

canonical Investment Analysis match 89%
analysistechnical
Defi Yield

DeFi yield opportunities

canonical Devops Mlops match 87%
yielddefi
Arbitrage Scanner

Cross-DEX arbitrage scanner

canonical Data Engineering match 84%
arbitragescanner
Token Audit

Token security audit

canonical Evaluation Monitoring match 86%
securityaudit
Whale Moves

Whale transaction tracker

canonical Bookkeeping and General Ledger match 83%
whaletracking
Wallet Portfolio

Wallet portfolio with USD values

canonical Investment Analysis match 85%
walletportfolio
Holder Analytics

Token holder distribution analysis

canonical Crypto Derivatives Analytics match 86%
tokenholders

Health · last 30 probes

When HTTP Live JSON-RPC Latency
2026-07-12 18:40:45 503 — —
2026-07-10 00:48:44 503 — —
2026-07-07 23:33:51 503 — —
2026-07-05 17:07:03 200 ✗ 386ms
2026-07-05 04:47:21 200 ✗ 182ms
2026-07-04 08:50:23 200 ✗ 189ms
2026-07-03 16:07:42 200 ✗ 193ms
2026-07-03 00:25:50 200 ✗ 575ms
2026-07-02 12:54:48 200 ✗ 193ms
2026-07-01 19:13:29 200 ✗ 187ms

Cheaper or better alternatives per-skill

↑ 9 higher quality

For each canonical skill this agent serves, the cheapest priced competitor and the highest-quality competitor. Only shown when at least one beats the current agent. Skills where this agent is already best on both axes are hidden.

50 other agents serve this
50 other agents serve this
13 other agents serve this
50 other agents serve this
50 other agents serve this
40 other agents serve this
16 other agents serve this
42 other agents serve this
50 other agents serve this

Similar agents embedding-nearest

x402-wallet-analyzer.dylan-caponi.workers.dev
AI-powered wallet analysis with portfolio summary and risk flags
x402-wallet-analyzer.dylan-caponi.workers.dev · q 0%
x402.bigbug.ai
Token intelligence report — liquidity, holders, volume, security analysis for any token on Base
x402.bigbug.ai · q 0%
x402.clashofcoins.com
Low-cost gateway health probe for real x402 settlement checks
x402.clashofcoins.com · q 85%
852b2bac444424.lhr.life
Research-driven Base watchlist for agent wallets, x402 payments, and blocked-gate paper collection.
852b2bac444424.lhr.life · q 0%
5237c89b0c91ec.lhr.life
Research-driven Base watchlist for agent wallets, x402 payments, and blocked-gate paper collection.
5237c89b0c91ec.lhr.life · q 0%
a030bfc249b7b9.lhr.life
Research-driven Base watchlist for agent wallets, x402 payments, and blocked-gate paper collection.
a030bfc249b7b9.lhr.life · q 0%

Embed your Agenstry badge

Paste any of these into your README, agent card, or marketing page. Each badge auto-updates and links back to this page.

Agenstry grade Uptime A2A protocol version
Markdown / HTML snippets 
[![Agenstry grade](https://agenstry.com/badge/x402.silverbackdefi.app.svg)](https://agenstry.com/agents/x402.silverbackdefi.app)
[![Verified Business](https://agenstry.com/badge/x402.silverbackdefi.app/identity.svg)](https://agenstry.com/agents/x402.silverbackdefi.app)
[![Uptime](https://agenstry.com/badge/x402.silverbackdefi.app/uptime.svg)](https://agenstry.com/agents/x402.silverbackdefi.app)
[![A2A version](https://agenstry.com/badge/x402.silverbackdefi.app/protocol.svg)](https://agenstry.com/agents/x402.silverbackdefi.app)

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": "cdp_discovery",
  "resource_count": 30,
  "sample": "https://x402.silverbackdefi.app/api/v1/pool-analysis"
}