Home/Compare/ECC vs semble

Comparison

ECC vs semble

Verdict

Pick ECC if eCC is a performance optimization system for AI agents built to enhance skills, instincts, memory, security, and development processes; pick semble if semble is a Python-based tool that facilitates fast and accurate code search for AI agents with up to 98% fewer tokens compared to traditional grep+read methods.

Markdown twin · ECC alternatives · semble alternatives

GraphCanon updated today

ECC logo

ECC

affaan-m/ECC

228kpushed Jul 9, 2026
vs
semble logo

semble

MinishLab/semble

5.6kpushed Jul 8, 2026

Trust & integrity

SignalECCsemble
Maintenance
Very active (2d since push)
As of today · github_public_v1
Very active (3d since push)
As of today · github_public_v1
Provenance
Not a fork · Personal account
As of today · github_public_v1
Not a fork · Organization account
As of today · github_public_v1
Security (OSV)
No MCP manifest
As of today · mcp_manifest
No MCP manifest
As of today · mcp_manifest

Tagline

ECC
The agent harness performance optimization system for AI agents
semble
Fast and Accurate Code Search for Agents

Stars

ECC
228k
semble
5.6k

Forks

ECC
35k
semble
236

Open issues

ECC
93
semble
8

Language

ECC
JavaScript
semble
Python

Adopt for

ECC
ECC is a performance optimization system for AI agents built to enhance skills, instincts, memory, security, and development processes.
semble
Semble is a Python-based tool that facilitates fast and accurate code search for AI agents with up to 98% fewer tokens compared to traditional grep+read methods.

Persona

ECC
-
semble
-

Runtime

ECC
-
semble
-

License

ECC
MIT
semble
MIT

Last pushed

ECC
Jul 9, 2026
semble
Jul 8, 2026

Categories

ECC
AI Agents, Developer Tools
semble
AI Agents, Data & Retrieval

Trust and health

Days since push

ECC
2d
semble
3d

Open issues (now)

ECC
93
semble
8

Owner type

ECC
User
semble
Organization

Full report

Choose ECC if…

  • ECC is primarily JavaScript; semble 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: llm, productivity, claude, claude-code.
  • Also covers Developer Tools.
  • 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 semble if…

  • semble is primarily Python; ECC is JavaScript.
  • Requirements: Operating with Python, Semble does not require Docker for its operation..
  • Tags unique to semble: embeddings, agents, retrieval, mcp.
  • Also covers Data & Retrieval.
  • - Use Semble when you are specifically working with AI agents or models and require efficient, token-economical code search operations.

When NOT to use semble

  • - Avoid using Semble if your use case does not involve AI agents or the model-context-protocol (MCP). Competitor tools might offer better features tailored to non-agent-based code search.
  • - Not recommended in scenarios where token efficiency is not a concern, as competitors may provide more versatile functionalities without focusing on token reduction.

Explore

Sources

Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.

GitHub stars on cards: ECC 228k · semble 5.6k (synced Jul 11, 2026).

Common questions

What is the difference between ECC and semble?
ECC: The agent harness performance optimization system for AI agents. semble: Fast and Accurate Code Search for Agents. See the comparison table for live GitHub stats and shared categories.
When should I choose ECC over semble?
Choose ECC over semble when ECC is primarily JavaScript; semble 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: llm, productivity, claude, claude-code; Also covers Developer Tools; 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 semble over ECC?
Choose semble over ECC when semble is primarily Python; ECC is JavaScript; Requirements: Operating with Python, Semble does not require Docker for its operation.; Tags unique to semble: embeddings, agents, retrieval, mcp; Also covers Data & Retrieval; - Use Semble when you are specifically working with AI agents or models and require efficient, token-economical code search operations.
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 semble?
- Avoid using Semble if your use case does not involve AI agents or the model-context-protocol (MCP). Competitor tools might offer better features tailored to non-agent-based code search. - Not recommended in scenarios where token efficiency is not a concern, as competitors may provide more versatile functionalities without focusing on token reduction.
Is ECC or semble more popular on GitHub?
ECC has more GitHub stars (228,395 vs 5,581). Stars measure visibility, not whether either tool fits your constraints.
Are ECC and semble open source?
Yes - both are open-source projects on GitHub (ECC: MIT, semble: MIT).
Where can I find alternatives to ECC or semble?
GraphCanon lists graph-backed alternatives at ECC alternatives and semble alternatives (ECC markdown twin, semble 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 semble?
ECC: Very active. semble: Very 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 semble?
GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: ECC trust report; semble trust report.