# Den

**Canonical:** https://apis.io/providers/den-archi/  
**Website:** https://den.archi/  
**APIs profiled:** 1

Den (den.archi) is a Korean AEC (architecture, engineering and construction) knowledge-curation system delivered as a remote MCP server. It gives AI agents normative and practical AEC knowledge with citations: Korean national construction standards (KDS and KCS), KS standards, building-related laws and their annexed tables, plus structural, construction, MEP, materials and planning know-how. Each clause and number carries its source and applicability conditions, facts are separated from interpretations, and content Den does not hold is explicitly marked as not held. Its tools cover standard/clause lookup, term definitions, causal explanations, construction sequences, method comparisons, site conditions, floor-plan code review and concept linking. It connects to Claude and ChatGPT as a custom connector and is offered as a free beta by application (support@den.archi).

## Kin Score — 28.8 / 100 (thin)

Scored 2026-11-06 under rubric 0.27.0.

| Facet | Score |
|---|---|
| Discoverability | 65.0 |
| Contract Quality | 0.0 |
| Contract Governance | 18.2 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 31.0 |
| Access Clarity | 55.3 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 34.3 (matched via fallback).

## Agent readiness — 24.7 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | served |
| Idempotency | no |
| 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 | no |
| Delegated Identity | served |
| Protected Resource Metadata | verified |
| Dynamic Client Registration | yes |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | na |
| MCP Tool Quality | na |

## Access

Free · Self-serve signup — onboarding: self-serve, pricing: free, trial: no (confidence: high).

## APIs (1)

- **Den MCP Server** — Remote MCP server (Streamable HTTP, OAuth) that gives AI agents cited Korean AEC knowledge -- KDS/KCS construction standards, KS standards, building laws and annexed tables, and...

## MCP servers (1)

- **Den MCP Server** — Remote MCP server at mcp.den.archi over streamable HTTP requiring OAuth; 13 tools listed.

## Security (2)

- **Den Archi Authentication** — 3 schemes
- **Den Archi Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Den Archi Plans Pricing**

## Tags

Company, Architecture, Construction, AEC, Building Codes, Standards, Knowledge Base, MCP, AI Agents, South Korea

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