# CurbSpec

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

CurbSpec (curbspec.com) is a used-vehicle research tool that compiles a one-time, frozen report from a VIN, a listing, or year/model/mileage: upcoming maintenance spend at the stated mileage, known mechanical issues, and NHTSA safety recalls and campaigns filtered to that vehicle. The preview is free and the full sheet unlocks for a one-time $12.99 (no subscription, no account, no ads). It is not a title or accident history report, and is unrelated to construction curb specifications. CurbSpec also publishes a remote MCP server (POST /api/mcp, tool check_vehicle, registry name io.github.swantron/curbspec) and a Chrome VIN checker extension. Publisher: a sole proprietorship of Joe Swanson, Bozeman, Montana.

## Kin Score — 19.4 / 100 (emerging)

Scored 2026-11-13 under rubric 0.28.0.

| Facet | Score |
|---|---|
| Discoverability | 71.7 |
| Contract Quality | 13.7 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 7.1 |
| Access Clarity | 42.6 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 7.8 (matched via fallback).

## Agent readiness — 7.2 (agent-aware)

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

## Access

Freemium · Open access — onboarding: open, pricing: freemium, trial: no (confidence: medium).

## APIs (1)

- **CurbSpec MCP Server** — Remote MCP server (registry name io.github.swantron/curbspec) exposing one tool, check_vehicle, which takes a VIN, pasted listing text or a free-text description plus mileage an...

## MCP servers (1)

- **CurbSpec MCP Server** — Remote MCP server published by CurbSpec (MCP registry name io.github.swantron/curbspec), documented in https://curbspec.com/llms.txt as "MCP: POST /api/mcp tool check_vehicle". ...

## Security (2)

- **CurbSpec Authentication** — 0 schemes
- **CurbSpec Domain Security** — TLSv1.3 · HSTS · DNSSEC

## Plans (1)

- **CurbSpec Plans Pricing**

## Tags

Company, Automotive, Used Vehicles, VIN, Vehicle History, Vehicle Recalls, Maintenance, MCP

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