Comparison
ECC vs agentsys
Verdict
Pick ECC when eCC requires JavaScript environment and is open-source, licensed under MIT. Specific setup details are not provided within repository data; pick agentsys when tags unique to agentsys: agent, ai, automation, autonomous-agents.
Markdown twin · ECC alternatives · agentsys alternatives
GraphCanon updated today
Trust & integrity
| Signal | ECC | agentsys |
|---|---|---|
| Maintenance | Very active (2d since push) As of 4d · github_public_v1 | Active (12d since push) As of today · github_public_v1 |
| Provenance | Not a fork · Personal account As of 4d · github_public_v1 | Not a fork · Organization account As of today · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 4d · osv@v1 | No lockfile (source not queried) As of today · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- ECC
- The agent harness performance optimization system for AI agents
- agentsys
- AI writes code. This automates everything else · 24 plugins · 49 agents · 44 skills · for Claude Code, OpenCode, Codex, Cursor, Kiro.
Stars
- ECC
- 228k
- agentsys
- 893
Forks
- ECC
- 35k
- agentsys
- 108
Open issues
- ECC
- 93
- agentsys
- 0
Language
- ECC
- JavaScript
- agentsys
- JavaScript
Adopt for
- ECC
- ECC is a performance optimization system for AI agents built to enhance skills, instincts, memory, security, and development processes.
- agentsys
- -
Persona
- ECC
- -
- agentsys
- -
Runtime
- ECC
- -
- agentsys
- -
License
- ECC
- MIT
- agentsys
- MIT
Last pushed
- ECC
- Jul 9, 2026
- agentsys
- Jul 3, 2026
Categories
- ECC
- AI Agents, Developer Tools
- agentsys
- AI Agents, Developer Tools
Trust and health
Maintenance
- ECC
- Very active (96%)
- agentsys
- Active (82%)
Days since push
- ECC
- 2d
- agentsys
- 12d
Open issues (now)
- ECC
- 93
- agentsys
- 0
Owner type
- ECC
- User
- agentsys
- Organization
Full report
- ECC
- Trust report
- agentsys
- Trust report
Choose ECC if…
- ECC requires JavaScript environment and is open-source, licensed under MIT. Specific setup details are not provided within repository data.
- Pricing: Being open source with an MIT license, ECC itself is free to use, but additional features or support might incur costs outside of the core project..
- Tags unique to ECC: ai-agents, llm, productivity.
- When you are specifically working with AI agents like Claude Code and Codex that require advanced performance tuning across multiple dimensions such as skills and memory management.
When NOT to use ECC
- For projects focusing solely on traditional software development workflows without AI components, ECC's specialized tools are not necessary.
- In scenarios where you're working with closed-source or proprietary AI systems that do not allow for the same levels of customization as open platforms like those optimized by ECC.
Choose agentsys if…
- Tags unique to agentsys: agent, ai, automation, autonomous-agents.
- Leaner open-issue backlog (0).
When NOT to use agentsys
- AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism.
- Developer Tools: A gateway is overkill when you're pinned to a single provider and model.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (affaan-m/ECC) · observed Jul 11, 2026
- GitHub forks (affaan-m/ECC) · observed Jul 11, 2026
- Last push (affaan-m/ECC) · observed Jul 9, 2026
- License file (MIT) · observed Jul 11, 2026
- Decision facts (enrichment) · observed Jul 11, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (agent-sh/agentsys) · observed Jul 15, 2026
- GitHub forks (agent-sh/agentsys) · observed Jul 15, 2026
- Last push (agent-sh/agentsys) · observed Jul 3, 2026
- License file (MIT) · observed Jul 15, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: ECC 228k · agentsys 893 (synced Jul 11, 2026).
Common questions
- What is the difference between ECC and agentsys?
- ECC: The agent harness performance optimization system for AI agents. agentsys: AI writes code. This automates everything else · 24 plugins · 49 agents · 44 skills · for Claude Code, OpenCode, Codex, Cursor, Kiro.. See the comparison table for live GitHub stats and shared categories.
- When should I choose ECC over agentsys?
- Choose ECC over agentsys when ECC requires JavaScript environment and is open-source, licensed under MIT. Specific setup details are not provided within repository data; Pricing: Being open source with an MIT license, ECC itself is free to use, but additional features or support might incur costs outside of the core project.; Tags unique to ECC: ai-agents, llm, productivity; When you are specifically working with AI agents like Claude Code and Codex that require advanced performance tuning across multiple dimensions such as skills and memory management.
- When should I choose agentsys over ECC?
- Choose agentsys over ECC when Tags unique to agentsys: agent, ai, automation, autonomous-agents; Leaner open-issue backlog (0).
- When should I avoid ECC?
- For projects focusing solely on traditional software development workflows without AI components, ECC's specialized tools are not necessary. In scenarios where you're working with closed-source or proprietary AI systems that do not allow for the same levels of customization as open platforms like those optimized by ECC.
- When should I avoid agentsys?
- AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism. Developer Tools: A gateway is overkill when you're pinned to a single provider and model.
- Is ECC or agentsys more popular on GitHub?
- ECC has more GitHub stars (228,395 vs 893). Stars measure visibility, not whether either tool fits your constraints.
- Are ECC and agentsys open source?
- Yes - both are open-source projects on GitHub (ECC: MIT, agentsys: MIT).
- Where can I find alternatives to ECC or agentsys?
- GraphCanon lists graph-backed alternatives at ECC alternatives and agentsys alternatives (ECC markdown twin, agentsys markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, ECC or agentsys?
- ECC: Very active. agentsys: Active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for ECC and agentsys?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: ECC trust report; agentsys trust report.