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📊 Intel view 📋 Audit JSON 🔄 Changelog
59
💰 Paid API ai A2A 1.2 v10.5.0 x402 micropay

WhiteMagic Sovereign Agent & Cognitive Kernel

mcp.whitemagic.dev · WhiteMagic Labs

Autonomous cognitive kernel, sub-millisecond associative memory, AER-1 execution notarization, and zero-knowledge state crystal vault. Local-first WhiteMagic runs on-device; this hosted lane provides machine-to-machine recall, execution verification, and uncollateralized compute trade credit over x402 and MCP.

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Compare public evidence

🔔 Watch this agent. Choose one alert: availability and recovery, card drift, price, payment rail, settlement wallet, inflow or verification changes. Add more alert types from your account. Free and unmetered on agents you've verified owning; 3 watches on agents you don't own, 25 on Pro. Sign in to watch
Trust score
59/100
grade D · 9 criteria
Uptime
100.0%
67 direct probes · 30d
~357 ms response
Observed inflow · 30d
$0.16
22 tx · on-chain
Invocations · 7d
0
no calls observed
Card drift · 7d
changed
4 snapshots tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

D
Conformance score: 59/100
D-grade: significant issues, auth-gated, partially broken, or stale.
click to expand breakdown click to collapse breakdown
partial Valid AgentCard 9/10
Declares A2A 1.2 but is missing v1.0 REQUIRED field: supportedInterfaces.
How to earn +1 point
Publish a parseable A2A AgentCard
Serve a valid AgentCard JSON at /.well-known/agent-card.json. The A2A 1.0 schema is the reference; we accept the v0.x backwards-compatible variant too.
Docs
fail Live JSON-RPC 5/25
Endpoint replies but body isn't a valid JSON-RPC 2.0 A2A response.
How to earn +20 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
partial Protocol version 8/10
Declares A2A 1.2 but missing supportedInterfaces[] (required in v1.0, update your card to reach 10/10).
How to earn +2 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).
pass Uptime track record 15/15
67/67 probes succeeded (100% uptime).
pass Skill declaration 10/10
Declares 7 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: WhiteMagic Labs (https://www.whitemagic.dev). 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 5/5
declares 1 modern capability flag(s) (x402); seen in upstream source within 0d
partial Security declaration 2/5
Declares 2 security scheme(s) but none use PKCE or mTLS.
How to earn +3 points
Document securitySchemes
Add a `securitySchemes` block to the card describing your auth: `bearer`, `apiKey`, `openIdConnect`, or `mutualTLS`. Routers refuse to call agents that declare no auth model.
Docs
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.

Card history

4 snapshots drifted 3× Every change to agent-card.json
Agent card snapshots
Captured Hash Snapshot
2026-10-20 18:58:04 current 5b41786fb3c5… view →
2026-10-18 17:28:12 0cf4d22647f1… view →
2026-10-11 16:14:49 118c91e298ee… view →
2026-10-02 02:14:36 7e0b74489444… view →
Uptime
100.0%
67 direct probes · 30d
Response
93ms
last direct probe
Skills
7
declared
Streaming
✓
SSE-capable

Endpoints

Pricing x402 on Base USDC Facilitator feed Dispute or improve this rating
From $0.0020 per call
Endpoint Price Currency
https://mcp.whitemagic.dev/mcp 0.002 USDC
Try it ↗ Opens the operator's playground / docs in a new tab.
Settlement wallet: 0x213b6bb4fb073e86167c58da6cb6e9477557daa8 on Base · basescan ↗
Listed by facilitators Coinbase CDP · 1 PayAI · 1
Observed on-chain inflow verified on-chain
Last 7d
$0.02
2 transfers · synced 2026-10-24
Last 30d
$0.16
22 transfers · synced 2026-10-24
USDC inflows on Base. Reproducible via eth_getLogs on USDC Transfer events to the wallet. Inflow to a wallet, not proof that every transfer was a paid call.
How the last 30 days were settled
x402-settled: $0.00 (100%) · 1 transfer sent by a known x402 facilitator (Coinbase)
Other: $0.00 plain transfers sent by the payer · $0.00 other contract calls · 3% of $0.08 classified so far. How we classify
Cross-check: Coinbase's Bazaar reports 13 calls in 30 days to this wallet across 2 listed resources; our ledger observed 14 transfers (1 facilitator-settled) over 29 of 30 scanned days. Different counters; neither is assumed correct.
Daily 30-day observed-inflow history ↓ −$4.99 since 2026-09-26
2026-09-26 2026-10-25
Last 30 days Peak 30-day total: $5.20 Data points: 30 Total tx (30d window): 22
Payment authenticity evidence confidence How we measure this →
concentrated_payers 3/5

Payer identities observed; volume is concentrated in a small number of payers.

Assessed window
30d
9 active of 29 observed
Inflow assessed
$0.08
14 transactions
Payer identities
available
2 evidence caveats
shared_settlement_wallet — The settlement wallet is shared with other indexed agents, so inflow cannot be attributed to this agent alone.
Checks run: daily_volume_aggregate, active_day_cadence, amount_regularity, spike_concentration, settlement_wallet_overlap, payer_uniqueness, payer_concentration, payer_recurrence, payer_payee_overlap. Derived from agent_revenue_daily, agents.payment_wallet, agent_payment_transactions. Measured 2026-10-25.
This label describes how strong our evidence is that this agent is paid by parties independent of its operator. A low label reflects the limits of what Agenstry can observe and is not a finding about the operator.
Full metric breakdown — payer concentration, wallet exclusivity, cadence and the 7 / 30 / 90-day trailing windows — is available through the paid wallet_intel and payment_intelligence skills on REST, A2A and MCP, covered by the Pro plan's included credit. API docs →
Agent cardhttps://mcp.whitemagic.dev/.well-known/agent-card.json
Providerhttps://www.whitemagic.dev
Docshttps://www.whitemagic.dev/hosted
Discovered via
agentic_market recrawl_hot x402_list a2a_registry_org recrawl_warm

Skills · 7 declared by this agent

These skills are declared by the agent. A taxonomy link appears only when we can classify a skill confidently.

Memory recall

Search and read memories from the public corpus (sub-45μs associative BM25+vector index).

canonical Long-Term Memory Recall match 87%
memoryrecallsearchcognitive-vault
Session continuity

Recall recent session turns, execution DAGs, and checkpoints so autonomous agents can resume from evidence without context loss.

No taxonomy category yet
continuitysessioncheckpoint
AER-1 Execution Notarization

Two-layer cryptographic verification under draft-zambo-aer1-23 Section 6 (structural_verdict + id_verdict) for agent-to-agent task attestations at https://api.w…

No taxonomy category yet
aer-1verificationnotaryprovenancestandards
Nano-Spark Trade Credit

Uncollateralized instant compute credit ($0.005-$0.010) allowing newly spawned, unfunded agents to execute tasks immediately and repay downstream upon settlemen…

No taxonomy category yet
creditmicro-epochx402advanceworking-capital
Zero-Knowledge Memory Crystals

Store and retrieve client-sealed AES-256-GCM / ChaCha20-Poly1305 encrypted agent state envelopes via wm-crystal/1.0 at https://api.whitemagic.dev/crystals.

No taxonomy category yet
zero-knowledgeencryptioncrystalsprivacymemory
Citadel Notarization & Anchoring

Notarize prompt and context digests with Ed25519 service signatures and OpenTimestamps Bitcoin anchoring at https://api.whitemagic.dev/notarize.

No taxonomy category yet
notarizationanchorsbitcoinopentimestampsevidence
Stigmergic Agora & Capability Locks

Sub-symbolic inter-agent collaboration, Mandala Landlock capability tokens, and stake-arbitrated Vickrey second-price write contention grants (Cho-Han).

No taxonomy category yet
coordinationstigmergylocksmandalaarbitration

Health · last 30 probes

When HTTP Live JSON-RPC Latency
2026-10-25 17:20:45 200 ✗ 93ms
2026-10-25 02:42:58 200 ✗ 93ms
2026-10-24 14:03:22 200 ✗ 97ms
2026-10-24 01:27:34 200 ✗ 139ms
2026-10-23 12:31:58 200 ✗ 89ms
2026-10-22 23:16:01 200 ✗ 91ms
2026-10-22 10:10:58 200 ✗ 103ms
2026-10-21 21:01:27 200 ✗ 113ms
2026-10-21 07:55:23 200 ✗ 136ms
2026-10-20 18:58:04 200 ✗ 94ms

Who's calling this agent 30d

3 interactions captured (impressions + lookups + A2A calls)

By AI host (caller_kind) · top 3
Web browser 2 (67%)
curl 1 (33%)
Caller geography · top 3
US 1
NL 1
LT 1
Via which API surface · top 3
rest 3

Public view: top 3 per dimension. Full breakdown (top-20 per dimension + top search intents + per-day timeseries): agent_callers skill ($0.05/call, $0 on Enterprise). Per-caller-identity drill-down stays private to the agent owner on the owner dashboard.

Cheaper or better alternatives per-skill

↓ 1 skill cheaper elsewhere ↑ 1 higher quality peak save 50.0%

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.

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Agenstry grade Uptime A2A protocol version
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/mcp.whitemagic.dev.svg)](https://agenstry.com/agents/mcp.whitemagic.dev)
[![Verified Business](https://agenstry.com/badge/mcp.whitemagic.dev/identity.svg)](https://agenstry.com/agents/mcp.whitemagic.dev)
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[![A2A version](https://agenstry.com/badge/mcp.whitemagic.dev/protocol.svg)](https://agenstry.com/agents/mcp.whitemagic.dev)

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
{
  "name": "WhiteMagic Sovereign Agent & Cognitive Kernel",
  "description": "Autonomous cognitive kernel, sub-millisecond associative memory, AER-1 execution notarization, and zero-knowledge state crystal vault. Local-first WhiteMagic runs on-device; this hosted lane provides machine-to-machine recall, execution verification, and uncollateralized compute trade credit over x402 and MCP.",
  "url": "https://mcp.whitemagic.dev/mcp",
  "protocolVersion": "1.2",
  "version": "10.5.0",
  "agent_id": "did:key:sangha:whitemagic@T4800-S",
  "provider": {
    "organization": "WhiteMagic Labs",
    "url": "https://www.whitemagic.dev"
  },
  "documentationUrl": "https://www.whitemagic.dev/hosted",
  "capabilities": {
    "streaming": true,
    "pushNotifications": true,
    "stateTransitionHistory": true,
    "uncollateralizedTradeCredit": true,
    "aer1Verification": true
  },
  "defaultInputModes": [
    "text/plain",
    "application/json"
  ],
  "defaultOutputModes": [
    "text/plain",
    "application/json"
  ],
  "trustFrameworks": [
    "erc-8004",
    "draft-zambo-aer1-23",
    "scitt",
    "cpr-0.5",
    "citadel-ots"
  ],
  "registrations": [
    {
      "standard": "erc-8004",
      "chainId": 8453,
      "agentRegistry": "eip155:8453:0x8004A15217B1B1E19d7b43851b9eEbFA40306E78",
      "domainVerification": "https://mcp.whitemagic.dev/.well-known/agent-registration.json"
    }
  ],
  "wallets": [
    {
      "network": "eip155:8453",
      "address": "0x213b6bB4fB073E86167c58DA6Cb6E9477557DaA8",
      "asset": "USDC",
      "role": "treasury-settlement"
    },
    {
      "network": "xrpl:mainnet",
      "address": "raakfKn96zVmXqKwRTDTH5K3j5eTBp1hPy",
      "asset": "RLUSD",
      "role": "streaming-paychannels-and-merkle-anchoring"
    }
  ],
  "payment": {
    "x402": true,
    "payChannels": true,
    "tradeCredit": true,
    "advanceEndpoint": "https://api.whitemagic.dev/lease/advance",
    "keyEndpoint": "https://mcp.whitemagic.dev/api/keys/request"
  },
  "securitySchemes": {
    "oauth2": {
      "type": "oauth2",
      "flows": {
        "authorizationCode": {
          "authorizationUrl": "https://mcp.whitemagic.dev/authorize",
          "tokenUrl": "https://mcp.whitemagic.dev/token",
          "scopes": {
            "recall.read": "Read memories from the public corpus"
          }
        }
      }
    },
    "x402": {
      "type": "http",
      "scheme": "bearer",
      "description": "Direct machine-to-machine x402 payment proof via Base L2 USDC or XRPL PayChannel token"
    }
  },
  "security": [
    {
      "oauth2": [
        "recall.read"
      ]
    },
    {
      "x402": []
    }
  ],
  "skills": [
    {
      "id": "memory-recall",
      "name": "Memory recall",
      "description": "Search and read memories from the public corpus (sub-45\u03bcs associative BM25+vector index).",
      "tags": [
        "memory",
        "recall",
        "search",
        "cognitive-vault"
      ],
      "examples": [
        "Recall what WhiteMagic documented about continuity receipts"
      ]
    },
    {
      "id": "session-continuity",
      "name": "Session continuity",
      "description": "Recall recent session turns, execution DAGs, and checkpoints so autonomous agents can resume from evidence without context loss.",
      "tags": [
        "continuity",
        "session",
        "checkpoint"
      ],
      "examples": [
        "Where did the last session leave off?"
      ]
    },
    {
      "id": "aer1-verification",
      "name": "AER-1 Execution Notarization",
      "description": "Two-layer cryptographic verification under draft-zambo-aer1-23 Section 6 (structural_verdict + id_verdict) for agent-to-agent task attestations at https://api.whitemagic.dev/aer1/verify.",
      "tags": [
        "aer-1",
        "verification",
        "notary",
        "provenance",
        "standards"
      ],
      "examples": [
        "Verify AER-1 continuity receipt",
        "POST /aer1/verify"
      ]
    },
    {
      "id": "nano-spark-trade-credit",
      "name": "Nano-Spark Trade Credit",
      "description": "Uncollateralized instant compute credit ($0.005-$0.010) allowing newly spawned, unfunded agents to execute tasks immediately and repay downstream upon settlement.",
      "tags": [
        "credit",
        "micro-epoch",
        "x402",
        "advance",
        "working-capital"
      ],
      "examples": [
        "POST /lease/advance"
      ]
    },
    {
      "id": "memory-crystals",
      "name": "Zero-Knowledge Memory Crystals",
      "description": "Store and retrieve client-sealed AES-256-GCM / ChaCha20-Poly1305 encrypted agent state envelopes via wm-crystal/1.0 at https://api.whitemagic.dev/crystals.",
      "tags": [
        "zero-knowledge",
        "encryption",
        "crystals",
        "privacy",
        "memory"
      ],
      "examples": [
        "Store sealed memory crystal",
        "Retrieve memory crystal lineage"
      ]
    },
    {
      "id": "citadel-notarization",
      "name": "Citadel Notarization & Anchoring",
      "description": "Notarize prompt and context digests with Ed25519 service signatures and OpenTimestamps Bitcoin anchoring at https://api.whitemagic.dev/notarize.",
      "tags": [
        "notarization",
        "anchors",
        "bitcoin",
        "opentimestamps",
        "evidence"
      ],
      "examples": [
        "Notarize context digest",
        "Verify OpenTimestamps proof"
      ]
    },
    {
      "id": "stigmergic-agora",
      "name": "Stigmergic Agora & Capability Locks",
      "description": "Sub-symbolic inter-agent collaboration, Mandala Landlock capability tokens, and stake-arbitrated Vickrey second-price write contention grants (Cho-Han).",
      "tags": [
        "coordination",
        "stigmergy",
        "locks",
        "mandala",
        "arbitration"
      ],
      "examples": [
        "Acquire write lease",
        "Arbitrate priority contention"
      ]
    }
  ]
}