Skill comparison
Use this as a shortlist, then open the skill detail page before adopting.
Decision summary
Strongest overall
Union
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Fastest prototype
Union
Best first install candidate based on install readiness and adoption.
Freshest repo
Union
Most recent maintenance signal among this shortlist.
| Signal | Sp1 SP1 is a zero‑knowledge virtual machine that proves the correct execution of programs compiled for the RISC-V architecture. | Union The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentralized finance. |
|---|---|---|
| Quality | 98/100 Excellent | 100/100 Excellent |
| Decision verdict | 100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack. | 100/100 Production-ready Use this as a leading candidate, then validate the README and install path in your own agent stack. |
| Adoption | 1.7K stars Verified outcomes are shown on each skill page | 74K stars Verified outcomes are shown on each skill page |
| Freshness | Jun 16, 2026 | Jun 22, 2026 |
| Use-case fit |
| Workflow fit |
| Platform hints | Rust, Blockchain, Claude Code | Rust, Blockchain, Claude Code |
| Warnings | No OpenAgentSkill engagement data yet | No OpenAgentSkill engagement data yet |
| Best for | Coding agents workflows · Claude Code teams · teams that value GitHub adoption signals | RAG and knowledge workflows · Claude Code teams · teams that value GitHub adoption signals |
| Not ideal for | teams that need a vendor-supported SLA · high-compliance environments without internal security review | teams that need a vendor-supported SLA · high-compliance environments without internal security review |
| OpenAgentSkill engagement | 0 views 0 install copies | 0 views 0 install copies |
| Install | $ npx skills add succinctlabs/sp1 | $ npx skills add unionlabs/union |