Comparison
Atmosphere vs ECC
ECC has more GitHub stars (279,762 vs 3,821). Atmosphere was updated more recently (last commit 16h ago). Data comes straight from GitHub and refreshes daily.
Atmosphere
Portable AI agent runtime for the JVM. One @Agent class runs on Spring AI, LangChain4j, Anthropic, or 9 more behind one SPI. Token streaming, tool calls, human approvals, and…
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npm install atmosphere.js
ECC
The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
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/plugin marketplace add https://github.com/affaan-m/ECC| Metric | Atmosphere | ECC |
|---|---|---|
| Type | MCP server | MCP server |
| GitHub stars | 3,821 | 279,762 |
| Stars, last 7 days | n/a | n/a |
| Forks | 764 | 41,620 |
| Upvotes | 0 | 0 |
| Language | Java | JavaScript |
| License | Apache-2.0 | MIT |
| Last commit | 16h ago | 2d ago |
| Created | Jun 2010 | Jan 2026 |
| Categories | AI & LLM tooling, Memory & knowledge, Design & frontend | AI & LLM tooling, Memory & knowledge, Security |