# Architect of the Capitol

**Canonical:** https://apis.io/providers/architect-of-the-capitol/  
**Website:** https://www.aoc.gov/  
**APIs profiled:** 5

The Architect of the Capitol (AOC) serves Congress and the Supreme Court as builder and steward of Capitol Hill's landmark buildings and grounds, preserving historic structures, monuments, art, and gardens across the Capitol campus.

## Kin Score — 30.1 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 30.1).

| Facet | Score |
|---|---|
| Discoverability | 64.8 |
| Contract Quality | 52.2 |
| Governance | 45.5 |
| Contract Governance | 45.5 |
| Operational Transparency | 7.9 |
| Developer Ergonomics | 21.4 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

Regulatory layer — **Government & Public Sector**: 20.4 (matched via tags).

## Agent readiness — 24.5 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | na |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (5)

- **Architect of the Capitol Accessibility API** — The Accessibility API from Architect of the Capitol — 1 operation(s) for accessibility.
- **Architect of the Capitol Art Collection API** — The Art Collection API from Architect of the Capitol — 2 operation(s) for art collection.
- **Architect of the Capitol Buildings API** — The Buildings API from Architect of the Capitol — 2 operation(s) for buildings.
- **Architect of the Capitol Preservation API** — The Preservation API from Architect of the Capitol — 2 operation(s) for preservation.
- **Architect of the Capitol Visitor Information API** — The Visitor Information API from Architect of the Capitol — 1 operation(s) for visitor information.

## Agentic access (1)

- **Architect Of The Capitol Agentic Access** — 8 operations

## Security (1)

- **Architect Of The Capitol Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Plans (1)

- **Architect Of The Capitol Plans Pricing**

## Use cases (4)

- **Visitor Information** — Provide Capitol campus visitor information including building access, tours, and facilities.
- **Art Research** — Research the Capitol art collection for educational and historical purposes.
- **Historic Preservation** — Track preservation project status and outcomes for historic Capitol structures.
- **Congressional Services** — Support congressional staff with facilities management and space planning information.

## Tags

Federal-Government, Capitol Hill, Congress, Historic Preservation, Government Services

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