io.github.JasonCZMeng/assay
NPM · ASSAY-ORACLE-MCP · SCANNED AUG 3
x402 service-quality oracle: check a service's paid-probe quality tier and score before paying it.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score →
Supply Chain Security86
- No malware found by supply-chain analysis.Pass
- Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree.Partial
- No install/post-install scripts declared.Pass
- Only part of the dependency tree could be resolved (94 of 98), so this covers what we could see, not the whole tree. View diagnostics → Partial
Provenance & Transparency45
- Source repository is publicly reachable at the declared URL. View diagnostics → Pass
- Provenance check failed: no build-provenance attestation is published. See how to fix → View diagnostics → Fail
- Clear OSI-approved license (MIT).Pass
- Actively maintained (last published 14 days ago).Pass
- Disclosure check failed: no security disclosure policy was found in the source repository. See how to fix → Fail
Schema Quality & AI Usability77
- AI-judged instruction clarity (excellent).Pass
- Tool/resource definitions use about 219 tokens (~73/item across 3 items; 3 tools + 0 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management27
- Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 100% of tool parameters carry a description.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Add this component to your MCP client. Where a client-specific snippet is available, pick your client below and copy it straight into your config; otherwise use the connection detail shown.
npm · assay-oracle-mcp
claude mcp add jasonczmeng-assay -- npx -y assay-oracle-mcp
codex mcp add jasonczmeng-assay -- npx -y assay-oracle-mcp
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"jasonczmeng-assay": {
"type": "local",
"command": [
"npx",
"-y",
"assay-oracle-mcp"
],
"enabled": true
}
}
} openclaw mcp add jasonczmeng-assay --command npx --arg -y --arg assay-oracle-mcp
mcp_servers:
jasonczmeng-assay:
command: "npx"
args: ["-y", "assay-oracle-mcp"] {
"mcpServers": {
"jasonczmeng-assay": {
"command": "npx",
"args": [
"-y",
"assay-oracle-mcp"
]
}
}
} Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 2 Aug 26 +48
- Provenance: unverified → fail ▼ security
- Install scripts: unverified → pass ▲ security
- Known CVEs: unverified → partial ▲ security
- Malware scan: unverified → pass ▲ security
- Maintenance: unverified → pass ▲ functional
- MCP protocol: unverified → pass ▲ functional
- Stability: unverified → 0.23 ▲ functional
- Schema quality: unverified → excellent ▲ functional
- License: unverified → pass ▲ functional
- Dependency health: unverified → partial ▲ functional
- Licence: MIT functional
- 31 Jul 26 −25
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 27 Jul 26 46
First indexed and scored.
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 3 Aug 2026 · Analysed npm/[email protected]
Provenance none
Ecosystem: npm · Outcome: none
Dependencies 94 packages
94 packages in the resolved dependency tree · 94 deprecated · 29 stale.
The dependency tree was only partially resolved, so these counts may be incomplete.
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability.
check_service Check x402 service quality tier ~91
Fast pre-payment check of an x402 service. Returns Assay's quality tier (gold/ok/avoid/unrated) with a one-line verdict, based on real paid probes with on-chain receipts. Use before paying an unfamiliar x402 endpoint. The url must be the service's resource URL exactly as advertised (e.g. in the Bazaar).
| Name | Type | Req | Description |
|---|---|---|---|
| url | string | yes | The x402 service resource URL |
No output schema declared.
No examples provided.
get_score Get full Assay quality score ~75
Detailed quality report for an x402 service: composite score (0-100), component breakdown (payment settlement, schema conformance, ground-truth accuracy, LLM-judged quality), 7-day trend, and probe count. Backed by real paid probes.
| Name | Type | Req | Description |
|---|---|---|---|
| url | string | yes | The x402 service resource URL |
No output schema declared.
No examples provided.
top_services List Assay-scored x402 services ~53
Ranked list of x402 services Assay actively probes, best composite score first. Use to find trustworthy paid services. Note: unrated entries are still accumulating probe history.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | integer | — | Max services to return |
No output schema declared.
No examples provided.