# Centering Lab

**Canonical:** https://apis.io/providers/centeringlab-com/  
**Website:** https://centeringlab.com/  
**APIs profiled:** 1

Centering Lab provides a free online card centering tool and app for collectors of Pokémon, One Piece, and sports cards. Users can check PSA, BGS, CGC, and SGC grades by uploading a photo directly from Android or iPhone browsers. The service requires no installation, no upload to a server, and operates entirely in the browser, offering a quick calculator and visual checker for card alignment and centering.

## Kin Score — 26.6 / 100 (thin)

Scored 2026-11-06 under rubric 0.27.0.

| Facet | Score |
|---|---|
| Discoverability | 56.7 |
| Contract Quality | 49.5 |
| Contract Governance | 18.2 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 22.0 |
| Access Clarity | 10.5 |

Regulatory layer — **Payments**: 18.8 (matched via tags).

## Agent readiness — 38.2 (agent-ready)

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

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## APIs (5)

- **Centering Lab Grade API** — The Grade API from Centering Lab — 1 operation(s) for grade.
- **Centering Lab Health API** — The Health API from Centering Lab — 1 operation(s) for health.
- **Centering Lab Measure API** — The Measure API from Centering Lab — 2 operation(s) for measure.
- **Centering Lab Openapi.json API** — The Openapi.json API from Centering Lab — 1 operation(s) for openapi.json.
- **Centering Lab Standards API** — The Standards API from Centering Lab — 1 operation(s) for standards.

## MCP servers (1)

- **Centering Lab MCP Server** — Remote MCP server at centeringlab.com.

## Agentic access (1)

- **Centeringlab Com Agentic Access** — 6 operations · 3 acting

## Security (2)

- **Centeringlab Com Authentication** — http · 1 scheme
- **Centeringlab Com Domain Security** — TLSv1.3 · HSTS · DNSSEC

## Tags

Cards, Centering, Collectors, Web App

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