# SiFive

**Canonical:** https://apis.io/providers/sifive/  
**Website:** https://www.sifive.com/  
**APIs profiled:** 1

SiFive is a semiconductor intellectual-property company founded by the creators of the RISC-V instruction set architecture at UC Berkeley — Krste Asanovic, Yunsup Lee and Andrew Waterman — and licenses configurable RISC-V processor core IP rather than manufacturing chips. Its catalog spans the Essential (E/S/U), Performance (P500/P600/P800), Intelligence (X100/X200/X300/XM) and Automotive (E6-A/E7-A/S7-A) core families plus system IP including SiFive Insight trace and debug, IOMMU Gen 2, Shield and WorldGuard. Customers configure a Core Design and generate a downloadable Dev Kit of RTL, testbench, software and documentation through SiFive Core Designer, delivered from the SiFive Cloud Services (SCS) portal at scs.sifive.com. The public developer surface is software tooling rather than a hosted REST API: the Freedom SDK for Metal and for Linux, Freedom Studio, Freedom Tools, the SiFive Kernel Library and the open-source DUH hardware-IP description toolchain and JSON Schema published on npm and GitHub.

## Kin Score — 32.6 / 100 (thin)

Scored 2026-08-17 under rubric 0.11.0. Trend: flat (+0.0 from 32.6).

| Facet | Score |
|---|---|
| Discoverability | 87.0 |
| Contract Quality | 0.0 |
| Governance | 12.5 |
| Operational Transparency | 15.8 |
| Developer Ergonomics | 67.4 |
| Commercial Clarity | 34.2 |

## Agent readiness — 23.4 (agent-aware)

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

## APIs (1)

- **SiFive Cloud Services OAuth 2.0** — The OAuth 2.0 authorization server that fronts the SiFive Cloud Services (SCS) portal at scs.sifive.com, where SiFive Core Designer and the rest of the SiFive development toolin...

## MCP servers (1)

- **sifive-mcp.yml**

## Security (3)

- **Sifive Authentication** — oauth2/openIdConnect · 1 scheme
- **Sifive Domain Security** — TLSv1.3 · HSTS · DMARC
- **Sifive Vulnerability Disclosure** — security.txt · contact published

## Tags

Company, Semiconductors, RISC-V, Processor IP, Chip Design, Embedded, Hardware, Developer Tools, Electronic Design Automation, OAuth

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