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📊 Intel view 📋 Audit JSON 🔄 Changelog
56
A2A live JSON-RPC A2A 2025-11-25 v1.0

SchemaStore

json.schemastore.org

Official SchemaStore.org MCP server — search and retrieve any of the 1,260+ JSON schemas instantly

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Trust score
56/100
grade D · 9 criteria
Uptime
100.0%
35 direct probes · 30d
~622 ms response
Observed inflow · 30d
—
no payment wallet declared
Invocations · 7d
0
no calls observed
Card drift · 7d
stable
1 snapshot tracked
Owner
unverified
claim this listing →

Dispute or improve this rating

D
Conformance score: 56/100
D-grade: significant issues, auth-gated, partially broken, or stale.
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).
pass Live JSON-RPC 25/25
Endpoint responds to a negotiated A2A SendMessage probe (answers in ~622 ms).
partial Protocol version 2/10
Declares unrecognised version '2025-11-25'.
How to earn +8 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
35/35 probes succeeded (100% uptime).
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 →
fail Verified Identity 0/10
No provider organisation declared. Anonymous agent.
How to earn +10 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.

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

1 snapshot Every change to agent-card.json
Captured Hash
2026-06-21 21:53:22 current 9f43c3ca5ff7… view →
Uptime
100.0%
35 direct probes · 30d
Response
308ms
last direct probe
Skills
0
declared
Streaming
—
SSE-capable

Try it

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calling agent…

Endpoints

Agent cardhttps://json.schemastore.org/.well-known/mcp.json
Discovered via
github_code recrawl_warm recrawl_hot

Skills · 1 declared · mapped to canonical taxonomy

SchemaStore

Official SchemaStore.org MCP server — search and retrieve any of the 1,260+ JSON schemas instantly

orphan: no canonical match yet

Health · last 30 probes

When HTTP Live JSON-RPC Latency
2026-10-11 16:44:38 200 ✓ 308ms
2026-10-11 03:40:06 200 ✓ 285ms
2026-10-10 14:17:34 200 ✓ 267ms
2026-10-09 17:35:06 200 ✓ 664ms
2026-10-09 06:51:59 200 ✓ 308ms
2026-10-08 19:22:09 200 ✓ 274ms
2026-10-08 09:42:16 200 ✓ 302ms
2026-10-07 21:28:07 200 ✓ 286ms
2026-10-07 12:13:18 200 ✓ 457ms
2026-10-07 00:47:56 200 ✓ 380ms

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[![Agenstry grade](https://agenstry.com/badge/json.schemastore.org.svg)](https://agenstry.com/agents/json.schemastore.org)
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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": "SchemaStore",
  "description": "Official SchemaStore.org MCP server \u2014 search and retrieve any of the 1,260+ JSON schemas instantly",
  "version": "1.0",
  "url": "https://mcp.schemastore.org",
  "transport": "http",
  "protocolVersion": "2025-11-25",
  "tools": [
    {
      "name": "searchSchemas",
      "description": "Semantic and keyword search across the entire SchemaStore catalog"
    },
    {
      "name": "getSchema",
      "description": "Return the full JSON Schema by name (or partial name)"
    },
    {
      "name": "listSchemas",
      "description": "List all available schemas (paginated)"
    }
  ],
  "icon": "https://www.schemastore.org/favicon.ico",
  "homepage": "https://www.schemastore.org"
}