Nanako0129/sepia
De-AI writing skill for any Agent Skills-compatible agent (77+ via the Skills CLI), with native plugins for Claude Code, Codex, Grok Build, and Antigravity. Narrative-architecture repair for fiction, venue-matched rules for professional prose. Based on StoryScope (arXiv:2604.03136).
⚡ Executive Summary & Quick Facts
Authoritative Sourcesepia is sepia is an open-source project written in Python: De-AI writing skill for any Agent Skills-compatible agent (77+ via the Skills CLI), with native plugins for Claude Code, Codex, Grok Build, and Antigravity. Narrative-architecture repair for fiction, venue-matched rules for professional prose. Based on StoryScope (arXiv:2604.03136)..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), Nanako0129/sepia has accumulated 3,434 GitHub stars and 213 forks. It is written in Python, licensed under MIT, and ranks #3,904 globally. It is actively maintained with the latest commit recorded on Oct 15, 2026.”
| Repository | Nanako0129/sepia ↗ |
|---|---|
| Primary Category | agent skills |
| Language & Stack | Python |
| Software License | MIT |
| Community Traction | ★ 3.4K stars · ⑂ 213 forks · #3,904 globally |
| Maintenance | ● Active (Last commit: Oct 15, 2026) · 5 open issues |
| Target Audience | Developers and engineering teams building with Python, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 92/100 · Grade AYes, sepia is actively maintained. Continuous telemetry recorded the last code commit on Oct 15, 2026 (29 days ago). Supported by 3,434 stars and 213 community forks, this repository holds a calculated health index of 92/100, reflecting regular maintenance (29 days ago) and healthy issue cadence.
Star History
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+512
STARS · LAST 30 DAYS
17
PER DAY
#596
MOST-STARRED Python
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +512 | +1.5K |
| Per day | 1 | 17 | 17 |
| Forks gained | +0 | +22 | +11 |
sepia gained 512 stars in the last 30 days, about 17 a day, and now has 3.4K. It is about 1 year old and has averaged roughly 3.4K stars a year. It ranks #596 among Python repositories and #3,904 across all languages on GitHubRepo.
Trending Record
45
DAYS ON TRENDING
#124
BEST RANK
Sep 23, 2026
FIRST APPEARANCE
Active
STATUS TODAY
sepia has maintained a continuous presence across global trending indexes, peaking at #124. Below is the 30-day activity profile:
💡 Overview
sepia is an open-source project written in Python: De-AI writing skill for any Agent Skills-compatible agent (77+ via the Skills CLI), with native plugins for Claude Code, Codex, Grok Build, and Antigravity. Narrative-architecture repair for fiction, venue-matched rules for professional prose. Based on StoryScope (arXiv:2604.03136).
Engineered for speed, consistency, and developer ease, it solves common hurdles in agent-skills, ai-writing, antigravity. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in Python for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ pip install sepia⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Python >= 3.9, pip, virtualenv
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
sepia coordinates its core functionality through a modular Python pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.
🎯 Production Use Cases
Autonomous AI Agents
Orchestrate intelligent workflows and tool-calling routines with sepia.
Model Inference & Prompting
Integrate fast, local or cloud-hosted generative AI models directly into production code.
Context Memory & RAG
Augment language models with dynamic vector retrieval and structured project memory.
Developer Productivity
Automate repetitive engineering tasks, code generation, and test creation using AI agents.
🚀 Getting Started
Install sepia using your package manager: `pip install sepia`
Initialize your project workspace or configuration file for sepia.
Import sepia into your codebase or invoke it directly from your terminal.
Execute your test suite or run `sepia --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Python, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
Nanako0129/sepia is currently ranked #3,904 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #3,897 | GCWing/OpenBitFun | Rust | ★ 3.4K | Compare ↗ |
| #3,900 | Ataraxy-Labs/sem | Rust | ★ 3.4K | Compare ↗ |
| #3,901 | inotify-tools/inotify-tools | Rust | ★ 3.4K | Compare ↗ |
| #3,902 | endoflife-date/endoflife.date | Ruby | ★ 3.4K | Compare ↗ |
| #3,902 | NVIDIA/physicsnemo | Python | ★ 3.4K | Compare ↗ |
| #3,904 | Nanako0129/sepia This Project | Python | ★ 3.4K | |
| #3,905 | Rust-GPU/rust-gpu | Rust | ★ 3.4K | Compare ↗ |
| #3,906 | stevencohn/OneMore | C# | ★ 3.4K | Compare ↗ |
| #3,906 | coveragepy/coveragepy | Python | ★ 3.4K | Compare ↗ |
| #3,908 | apache/paimon | Java | ★ 3.4K | Compare ↗ |
| #3,909 | travisjeffery/timecop | Ruby | ★ 3.4K | Compare ↗ |
Frequently Asked Questions
What does sepia do? +
De-AI writing skill for any Agent Skills-compatible agent (77+ via the Skills CLI), with native plugins for Claude Code, Codex, Grok Build, and Antigravity. Narrative-architecture repair for fiction, venue-matched rules for professional prose. Based on StoryScope (arXiv:2604.03136).
Is sepia actively maintained in 2026? +
Yes, sepia is actively maintained. The latest code push was recorded on Oct 15, 2026 (29 days ago). It holds a calculated Maintenance Health Score of 92/100 (A rating) with 3,434 stars and 5 open issues.
What language is sepia written in? +
The primary language is Python. Topics include: agent-skills, ai-writing, antigravity, claude-code, codex.
How many stars does sepia have? +
sepia has 3,434 stars and 213 forks on GitHub.
How does sepia rank among GitHub repositories? +
With 3,434 stars, Nanako0129/sepia is ranked #3,904 globally across all repositories tracked on GitHubRepo and #596 among Python projects.
What license is sepia distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
