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75
A2A v6.2.0

Word Orb

wordorb.ai · Lesson of the Day, PBC

Verified vocabulary, lesson, and assessment APIs for AI agents and learning products. 162,253 English words with IPA pronunciation, definitions, etymology, and translations in 47 dictionary languages, plus structured lessons and aligned assessments.

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Own this agent?
Verify the domain wordorb.ai 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. Structured JSON via card-changes API. Sign in to subscribe
Trust score
49/100
grade D · 9 criteria
Uptime
100.0%
15 probes
Revenue · 30d
no payment wallet declared
Usage · 7d
0
no recent activity
Card drift · 7d
stable
0 snapshots tracked
Owner
unverified
claim this listing →
D
Conformance score: 49/100
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.
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 message/send (or tasks/send on v0.x). Return a 200 with a valid JSON-RPC response. Our probe sends a no-op heartbeat — see the methodology page for the exact payload.
Docs →
fail Protocol version 0/10
No protocolVersion in card.
How to earn +10 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 15/15
15/15 probes succeeded (100% uptime).
pass Skill declaration 10/10
Declares 4 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: Lesson of the Day, PBC (https://lotdpbc.com). 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
No securitySchemes declared (common for open agents — not penalised).

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.

Uptime
100.0%
15 probes
Response
494ms
last probe
Skills
4
declared
Streaming
SSE-capable

Endpoints

Agent cardhttps://wordorb.ai/.well-known/agent.json
Providerhttps://lotdpbc.com
Discovered via
github_code recrawl_hot

Skills · 4 declared · mapped to canonical taxonomy

Word Lookup

Look up any English word - IPA pronunciation, definition, etymology, and translations in 47 dictionary languages for verified agent output.

canonical Multilingual Translation match 85%
dictionarypronunciationtranslationipamultilingual
Daily Lesson

Structured 5-phase lesson for any day (1-365), track, age group, and language. Pedagogy-first design: hook->story->wonder->action->wisdom.

canonical Curriculum Design match 85%
educationcurriculumpedagogymultilingualoffline
Quiz & Assessment

Generate quiz questions from lesson content - multiple choice, true/false, open-ended, reflection. 6 question types for formative assessment.

canonical Curriculum Design match 84%
assessmentquizeducationtesting
Text Generation

Write, summarize, compliance-check, retrieve, or negotiate text with policy enforcement. Auditable provenance chain.

canonical Text Generation match 90%
writingcompliancepolicygeneration

Health · last 15 probes

When HTTP Live JSON-RPC Latency
2026-05-22 14:03:15 200 494ms
2026-05-22 08:30:05 200 477ms
2026-05-20 23:54:15 200 531ms
2026-05-14 20:46:17 200 997ms
2026-05-14 20:36:46 200 694ms
2026-05-14 20:14:01 200 674ms
2026-05-14 19:52:32 200 1507ms
2026-05-14 19:38:56 200 734ms
2026-05-14 18:14:56 200 824ms
2026-05-14 17:57:44 200 514ms

Who's calling this agent 30d

5 interactions captured (impressions + lookups + A2A calls)

By AI host (caller_kind)
Unknown (no UA) 5 (100%)
Via which API surface
unknown 5
Top search intents that surfaced this agent
xyzqqqzzz · 1 translate to dutch · 1 translate dutch · 1 text summarization · 1 factuur · 1

Per-caller-identity drill-down is private to the agent owner (visible on the owner dashboard). Cross-platform context + competitor benchmarks in the Enterprise tier.

Cheaper or better alternatives per-skill

↑ 3 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.

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

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": "Word Orb",
  "description": "Verified vocabulary, lesson, and assessment APIs for AI agents and learning products. 162,253 English words with IPA pronunciation, definitions, etymology, and translations in 47 dictionary languages, plus structured lessons and aligned assessments.",
  "url": "https://wordorb.ai",
  "version": "6.2.0",
  "provider": {
    "organization": "Lesson of the Day, PBC",
    "url": "https://lotdpbc.com"
  },
  "capabilities": {
    "streaming": false,
    "pushNotifications": false
  },
  "authentication": {
    "schemes": [
      "bearer"
    ],
    "credentials": "API key starting with wo_"
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json",
    "audio/mpeg"
  ],
  "skills": [
    {
      "id": "word-lookup",
      "name": "Word Lookup",
      "description": "Look up any English word  -  IPA pronunciation, definition, etymology, and translations in 47 dictionary languages for verified agent output.",
      "tags": [
        "dictionary",
        "pronunciation",
        "translation",
        "ipa",
        "multilingual",
        "offline",
        "voice"
      ],
      "examples": [
        "Look up 'serendipity' with all 47 translations",
        "Get IPA pronunciation for 'ephemeral'"
      ]
    },
    {
      "id": "daily-lesson",
      "name": "Daily Lesson",
      "description": "Structured 5-phase lesson for any day (1-365), track, age group, and language. Pedagogy-first design: hook->story->wonder->action->wisdom.",
      "tags": [
        "education",
        "curriculum",
        "pedagogy",
        "multilingual",
        "offline",
        "children",
        "elder"
      ],
      "examples": [
        "Get today's learn track lesson for kids",
        "Fetch day 100 grow track lesson for adults"
      ]
    },
    {
      "id": "quiz",
      "name": "Quiz & Assessment",
      "description": "Generate quiz questions from lesson content  -  multiple choice, true/false, open-ended, reflection. 6 question types for formative assessment.",
      "tags": [
        "assessment",
        "quiz",
        "education",
        "testing"
      ],
      "examples": [
        "Get quiz for day 1 learn track",
        "Generate 10 random quiz questions"
      ]
    },
    {
      "id": "text-generation",
      "name": "Text Generation",
      "description": "Write, summarize, compliance-check, retrieve, or negotiate text with policy enforcement. Auditable provenance chain.",
      "tags": [
        "writing",
        "compliance",
        "policy",
        "generation"
      ],
      "examples": [
        "Write a summary of this article",
        "Compliance-check this content against child safety policy"
      ]
    }
  ]
}