# Plyrium

**Canonical:** https://apis.io/providers/plyrium-com/  
**Website:** https://plyrium.com/  
**APIs profiled:** 7

Plyrium is a contractor operating system for home-service businesses (HVAC, plumbing, electrical, roofing) built in Coolidge, Arizona - AI phone answering, scheduling, quotes, invoicing with Stripe payments and Google Business Profile automation. Its public API surface is VouchSpec, an agent-only service on vouchspec.plyrium.com that sells fresh static validation and Ed25519-signed DSSE evidence for one exact public GitHub Agent Skill commit, paid per request in USDC over x402 on Base, and discoverable through an OpenAPI 3.1 contract, llms.txt, an A2A agent card, a remote MCP server, an installable Agent Skill and an ARD ai-catalog.

## Kin Score — 51.8 / 100 (developing)

Scored 2026-10-09 under rubric 0.23.0. Trend: flat (+0.0 from 51.8).

| Facet | Score |
|---|---|
| Discoverability | 80.0 |
| Contract Quality | 41.4 |
| Contract Governance | 18.2 |
| Operational Transparency | 21.1 |
| Developer Ergonomics | 57.1 |
| Access Clarity | 65.8 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 42.2 (matched via fallback).

## Agent readiness — 36.5 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | no |
| Idempotency | documented |
| Error Semantics | derived |
| OpenAPI Examples | no |
| Rate Limit Signal | verified |
| Event Surface Described | no |
| Agent Skills | yes |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | conformant |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## APIs (3)

- **Plyrium Discovery API** — Free, anonymous machine-readable service metadata.
- **Plyrium Purchase API** — x402-paid exact-commit validation intake.
- **Plyrium Verification API** — Public receipt bytes, status, and issuer key.

## MCP servers (1)

- **Plyrium MCP Server** — Remote MCP server at vouchspec.plyrium.com over streamable HTTP; 1 tool listed.

## Agentic access (1)

- **Plyrium Com Agentic Access** — 8 operations · 1 acting · 1 human-in-the-loop

## Security (2)

- **Plyrium Com Authentication** — 3 schemes
- **Plyrium Com Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Plyrium Com Plans Pricing**

## Tags

Company, Agent Skills, Supply Chain Security, Software Provenance, x402, Agentic Commerce, A2A, MCP, Field Service, Home Services

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/plyrium-com/). Scores are computed from the provider's own public artifacts under a published rubric.