- Builders looking for reusable coding-agent skills
- Teams standardizing repeated AI workflows
- Researchers comparing skill-based agent architectures
Skills
ECC
Agent harness for Claude Code, Codex, Opencode, Cursor, and other coding agents focused on performance, memory, and security.
207K Stars
MIT License
affaan-m Maintainer
2026-06-05 Verified
Overview
What is ECC?
ECC is an open-source agent skill resource focused on agent harness for claude code, codex, opencode, cursor, and other coding agents focused on performance, memory, and security.
Reusable skill packaging
ECC treats repeated agent behavior as reusable files or workflows rather than one-off prompts.
Reusable packaging is the difference between a clever demo and an operational agent workflow.Source-backed adaptation
The public repository gives teams a concrete starting point for forking, pruning, and adapting skills to their own standards.
Agent skills often need local conventions, so editable source is more valuable than a static prompt.Useful for capability mapping
The project helps OpenAgent readers see which skill categories are emerging around coding, security, design, marketing, research, and operations.
A good skill directory should help builders understand the shape of the ecosystem, not only collect links. Use cases
What ECC is built for
01
Build an internal skill library
Use ECC as a reference when deciding how to organize reusable agent instructions and procedures.
02
Compare agent capability coverage
Check whether the repository covers the task areas your agents repeatedly perform.
03
Fork and localize workflows
Adapt the skills to your engineering standards, tools, terminology, and review process before using them on private work.
Comparison
How it stacks up
When to choose ECC
Choose it when its official repository shows the workflow, license, and integration model you need more directly than a broad framework.
FAQ
Frequently asked questions
Is ECC open source?
Yes. The linked GitHub repository lists MIT licensing information; verify the current license before production use.
Who should evaluate ECC?
Builders looking for reusable coding-agent skills
Decision brief
JSON
Should you use ECC?
- Teams that need a fully managed closed product with no repository review
- Workflows that cannot tolerate experimental community-maintained skill packs
- Verified 2026-06-05
- License: MIT
- Repo: affaan-m/ECC
- Open-source signal
Deployment
cloud
Permission surface
shell/files, memory
Decision signals
No extra signals recorded
Agent packet
Structured decision data for ECC
This packet is the compact machine-readable view agents should use before following source links or taking action.
Capabilities
agent skill, workflow, memory
Constraints
open source
Deployment
cloud
Permission surface
shell/files, memory
Recommended workflows
Coding agent workflow, Reusable skill workflow
Overview
What ECC does
What it is
ECC is an open-source agent skill project tracked by OpenAgent.bot. ECC is an open-source agent skill resource focused on agent harness for claude code, codex, opencode, cursor, and other coding agents focused on performance, memory, and security.
Why it matters
ECC matters because the agent ecosystem is moving from one-off prompts to reusable skills, instructions, and workflow packs. It gives builders a source-backed way to inspect, adapt, and compare task-specific agent capability instead of reinventing the same prompt structure every time.
How to evaluate it
Open the official repository first, review setup instructions, verify the license, then test the project with non-sensitive data before connecting real accounts or production workflows.
Facts
Known metadata and operating surface
These fields are separated from editorial interpretation so agents can reason over facts and missing checks.
Resource type skill
Category Skills
Maturity active
Difficulty Unknown
License MIT
Pricing open source
Verified 2026-06-05
Source confidence medium
Risk level elevated
Fit matrix
Where ECC fits in an agent stack
strong
Coding agent workflow
ECC has multiple signals for coding agent workflow, including matching tags, capabilities, category, or positioning.
- Run a small repository change and inspect the diff, tests, and rollback path.
- Confirm official docs, current maintenance, license, and runtime constraints before production use.
strong
Reusable skill workflow
ECC has multiple signals for reusable skill workflow, including matching tags, capabilities, category, or positioning.
- Run one skill end to end and check whether it produces evidence or structured output.
- Confirm official docs, current maintenance, license, and runtime constraints before production use.
partial
Browser automation
ECC has at least one signal for browser automation, but should be checked against a real task before adoption.
- Run one non-sensitive website task and inspect clicks, waits, retries, and changed URLs.
- Confirm official docs, current maintenance, license, and runtime constraints before production use.
partial
Memory or RAG workflow
ECC has at least one signal for memory or rag workflow, but should be checked against a real task before adoption.
- Create, update, retrieve, correct, and delete memory or retrieval objects with real data.
- Confirm official docs, current maintenance, license, and runtime constraints before production use.
weak
Connector or protocol layer
ECC is not primarily positioned for connector or protocol layer in the current metadata.
- Connect one low-risk service, then inspect schemas, auth scope, errors, and logs.
- Confirm official docs, current maintenance, license, and runtime constraints before production use.
weak
Evaluation and observability
ECC is not primarily positioned for evaluation and observability in the current metadata.
- Add one repeatable test case and confirm results can run again in review or CI.
- Confirm official docs, current maintenance, license, and runtime constraints before production use.
Inputs and outputs
What an agent should inspect
Likely inputs
- Repositories, files, issues, terminal output, and test results
- Documents, user facts, entities, context, or retrieval queries
- Official setup instructions and a small real workflow
Likely outputs
- Diffs, commits, explanations, test results, or review notes
- Retrieved context, memory updates, graph relations, or citations
- A decision on whether this resource fits the target workflow
Evidence
Sources, claims, and missing checks
Claims are marked separately from source links so future crawlers and reviewers can update them without rewriting the page.
ECC is listed as open source.
License metadata: MITECC has a recorded GitHub repository: affaan-m/ECC.
Resource facts and GitHub source link.ECC supports these recorded deployment modes: cloud.
OpenAgent decision signal metadata.ECC is tagged with agent skill, workflow, memory capabilities.
OpenAgent capability taxonomy.- Dedicated docs link is missing.
- Repository freshness has not been recorded.
Next action
How to start evaluating ECC
Inspect repository
Check license, recent activity, issues, examples, and security-sensitive code paths.
Open source Compare
Alternatives and nearby resources
Use related resources to compare category fit, license, deployment model, and first-workflow behavior.
FAQ
Common questions about ECC
Is ECC open source?
Yes. The linked GitHub repository lists MIT licensing information; verify the current license before production use.
Who should evaluate ECC?
Builders looking for reusable coding-agent skills