# Arithym

**Canonical:** https://apis.io/providers/arithym-xyz/  
**Website:** https://arithym.xyz/  
**APIs profiled:** 1

Arithym is a precision math engine and verified scientific reference for AI agents. One connected tool covers everything from basic arithmetic to physics simulations — 209 methods across 22 domains, backed by a curated knowledge base of 981 entries, including 79 CODATA 2022 physics constants with SI dimensional metadata, all 118 elements, 385 exact unit definitions, 52 engineering materials, and 30 exact trigonometric values including radical expressions. One tool call, exact answer, zero token waste.

## Kin Score — 22.7 / 100 (emerging)

Scored 2026-11-06 under rubric 0.27.0. Trend: flat (-4.0 from 26.7).

| Facet | Score |
|---|---|
| Discoverability | 66.1 |
| Contract Quality | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 16.7 |
| Access Clarity | 42.1 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 14.5 (matched via fallback).

## Agent readiness — 24.1 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | served |
| Idempotency | no |
| Error Semantics | documented |
| 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

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

## APIs (1)

- **Arithym MCP** — Arithym provides a precision math engine accessible via an MCP endpoint. The API requires an API key and OAuth authentication.

## Security (2)

- **Arithym Xyz Authentication** — 1 scheme
- **Arithym Xyz Domain Security** — TLSv1.3

## Plans (1)

- **Arithym Xyz Plans Pricing**

## Tags

Artificial Intelligence, Math, Precision, Engineering, Science

---

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