Comparison
ECC vs promptguard
Verdict
Pick ECC when eCC is primarily JavaScript; promptguard is Python; pick promptguard when promptguard is primarily Python; ECC is JavaScript.
Markdown twin · ECC alternatives · promptguard alternatives
GraphCanon updated today
Trust & integrity
| Signal | ECC | promptguard |
|---|---|---|
| Maintenance | Very active (2d since push) As of 4d · github_public_v1 | Steady (59d since push) As of today · github_public_v1 |
| Provenance | Not a fork · Personal account As of 4d · github_public_v1 | Not a fork · Personal 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
- promptguard
- Audits prompts as behavioral contracts. Pre-write guard for agents that ship code.
Stars
- ECC
- 228k
- promptguard
- 82
Forks
- ECC
- 35k
- promptguard
- 0
Open issues
- ECC
- 93
- promptguard
- 0
Language
- ECC
- JavaScript
- promptguard
- Python
Adopt for
- ECC
- ECC is a performance optimization system for AI agents built to enhance skills, instincts, memory, security, and development processes.
- promptguard
- -
Persona
- ECC
- -
- promptguard
- -
Runtime
- ECC
- -
- promptguard
- -
License
- ECC
- MIT
- promptguard
- MIT
Last pushed
- ECC
- Jul 9, 2026
- promptguard
- May 17, 2026
Categories
- ECC
- AI Agents, Developer Tools
- promptguard
- AI Agents, Developer Tools, LLM Frameworks
Trust and health
Maintenance
- ECC
- Very active (96%)
- promptguard
- Steady (60%)
Days since push
- ECC
- 2d
- promptguard
- 59d
Open issues (now)
- ECC
- 93
- promptguard
- 0
Full report
- ECC
- Trust report
- promptguard
- Trust report
Choose ECC if…
- ECC is primarily JavaScript; promptguard is Python.
- 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: anthropic, 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 promptguard if…
- promptguard is primarily Python; ECC is JavaScript.
- Tags unique to promptguard: audit, codex, guard, guardrails.
- Also covers LLM Frameworks.
When NOT to use promptguard
- 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.
- LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves.
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 (mturac/promptguard) · observed Jul 15, 2026
- GitHub forks (mturac/promptguard) · observed Jul 15, 2026
- Last push (mturac/promptguard) · observed May 17, 2026
- License file (MIT) · observed Jul 15, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: ECC 228k · promptguard 82 (synced Jul 11, 2026).
Common questions
- What is the difference between ECC and promptguard?
- ECC: The agent harness performance optimization system for AI agents. promptguard: Audits prompts as behavioral contracts. Pre-write guard for agents that ship code.. See the comparison table for live GitHub stats and shared categories.
- When should I choose ECC over promptguard?
- Choose ECC over promptguard when ECC is primarily JavaScript; promptguard is Python; 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: anthropic, 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 promptguard over ECC?
- Choose promptguard over ECC when promptguard is primarily Python; ECC is JavaScript; Tags unique to promptguard: audit, codex, guard, guardrails; Also covers LLM Frameworks.
- 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 promptguard?
- 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. LLM Frameworks: Avoid a framework for a single prompt-and-retrieve call; the abstraction can cost more than it saves.
- Is ECC or promptguard more popular on GitHub?
- ECC has more GitHub stars (228,395 vs 82). Stars measure visibility, not whether either tool fits your constraints.
- Are ECC and promptguard open source?
- Yes - both are open-source projects on GitHub (ECC: MIT, promptguard: MIT).
- Where can I find alternatives to ECC or promptguard?
- GraphCanon lists graph-backed alternatives at ECC alternatives and promptguard alternatives (ECC markdown twin, promptguard 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 promptguard?
- ECC: Very active. promptguard: Steady. 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 promptguard?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: ECC trust report; promptguard trust report.