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agent-session-protocol
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agent-session-protocol/universal-session-log

USL is the storage-first reference implementation of the Agent Session Protocol (ASP). ACP handles the live present (editor↔agent interaction); ASP handles the durable past and cross-runtime migration; USL is the storage engine behind ASP.

TypeScript ◇ agent MIT
★53STARS
⑂0FORKS
!22ISSUES
🏆#8,121GLOBAL RANK
🔥6DAYS TRENDING
🚀
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Star History

Continuous Observations
Interactive star growth chart for agent-session-protocol/universal-session-log
CSV

Momentum

+10

STARS · LAST 30 DAYS

1

PER DAY

#816

MOST-STARRED TypeScript

Window7 days30 days90 days
Stars gained+7+10+90
Per day111
Forks gained+1+3+10

universal-session-log gained 10 stars in the last 30 days, about 1 a day, and now has 53. It is about 1 year old and has averaged roughly 53 stars a year. It ranks #816 among TypeScript repositories and #8,121 across all languages on GitHubRepo.

Trending Record

universal-session-log has maintained a continuous presence across global trending indexes, peaking at #2777. Below is the 30-day activity profile:

💡 Overview

universal-session-log is an open-source project written in TypeScript: USL is the storage-first reference implementation of the Agent Session Protocol (ASP). ACP handles the live present (editor↔agent interaction); ASP handles the durable past and cross-runtime migration; USL is the storage engine behind ASP.

Engineered for speed, consistency, and developer ease, it solves common hurdles in agent, agent-harness, agent-runtime. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

⚡ Key Features

1

Optimized execution pipeline written in TypeScript for predictable speed.

2

Zero-friction configuration with comprehensive sensible defaults out of the box.

3

Cross-platform runtime support across Linux, macOS, and Windows environments.

4

Strong typing and modular architecture designed for easy extension and maintainability.

5

Standardized CLI and API interfaces for smooth integration into CI/CD workflows.

6

Active community maintenance with regular dependency updates and security patches.

📥 Installation

terminal
$ npm install universal-session-log

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

Node.js >= 18, npm, pnpm or bun

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

universal-session-log coordinates its core functionality through a modular TypeScript 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 universal-session-log.

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

1

Install universal-session-log using your package manager: `npm install universal-session-log`

2

Initialize your project workspace or configuration file for universal-session-log.

3

Import universal-session-log into your codebase or invoke it directly from your terminal.

4

Execute your test suite or run `universal-session-log --help` to verify successful setup.

👍 Strengths

Active community backing with 53 GitHub stars and verified adoption.
Permissive open-source distribution under the MIT license.
Built in TypeScript for high execution speed and developer familiarity.
Cross-platform compatibility across modern Linux, macOS, and Windows environments.
Clean modular design allowing flexible configuration and pipeline integration.

⚠️ Considerations

Requires familiarity with TypeScript and modern CLI workflows.
Ecosystem extensions may require manual configuration depending on environment constraints.
Active development roadmap means breaking API changes may occur across major versions.

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👥 Who Should Use This

Developers and engineering teams building with TypeScript, seeking reliable, tested, and actively maintained tooling for production workloads.

🏆 Nearby in the Rankings

agent-session-protocol/universal-session-log is currently ranked #8,121 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

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#8,099 unjs/upm TypeScript ★ 54 Compare ↗
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#8,121 agent-session-protocol/universal-session-log This Project TypeScript ★ 53
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Frequently Asked Questions

What does universal-session-log do? +

USL is the storage-first reference implementation of the Agent Session Protocol (ASP). ACP handles the live present (editor↔agent interaction); ASP handles the durable past and cross-runtime migration; USL is the storage engine behind ASP.

What language is universal-session-log written in? +

The primary language is TypeScript. Topics include: agent, agent-harness, agent-runtime, agent-session, agent-session-manager.

Is universal-session-log actively maintained? +

Yes, the last recorded push was on Sep 21, 2026 with 22 open issues being tracked.

How many stars does universal-session-log have? +

universal-session-log has 53 stars and 0 forks on GitHub.

How does universal-session-log rank among GitHub repositories? +

With 53 stars, agent-session-protocol/universal-session-log is ranked #8,121 globally across all repositories tracked on GitHubRepo and #816 among TypeScript projects.

What license is universal-session-log distributed under? +

The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.

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