ECC is maintained as an open-source agent harness operating system across Claude Code, Cursor, OpenCode, Codex, Gemini, Zed, and other agent workflows.
| Team Sponsor | $200/mo | Teams that want visible OSS support without README placement | Company name/logo/link in SPONSORS.md |
| Business Sponsor | $800/mo | Companies that want README sponsor visibility | Featured README sponsor area + SPONSORS.md listing + one sponsor-placement review |
| Strategic Sponsor | $3,700/mo | Ecosystem partners that want top placement and tighter coordination | Top README sponsor placement + SPONSORS.md listing + one 30-minute placement call + optional launch mention if the integration is genuinely useful |
No public tier includes seats, support SLA, custom development, a dedicated channel, or guaranteed case study unless separately agreed in writing.