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About

DeepSeek Harness is an open source agent harness designed to keep AI agents working in real-world environments by helping them understand context, use tools, and continue operating across complex tasks. Built on the Cordis plugin system, every capability is a plugin that can be selected, swapped, extended, or recomposed through configuration without changing the core source code. Plugins provide models, tools, skills, sessions, sandboxes, storage, loops, scheduling, and the UI, while Cordis manages plugin mounting, dependencies, services, and events. Every run is traceable through an append-only session log that records system prompts, reasoning, tool calls and results, subagent scheduling, and context injections. The Trajectory view lets developers inspect these records by source, while resume, fork, search, and replay operate on the same event stream.

About

rrweb is an open-source session replay and session recording library used to power replay experiences across observability, analytics, bug reporting, automation, and demo platforms. The library captures user sessions so teams can replay clicks, scrolls, UI changes, network context, and the sequence of events that led to an issue or user behavior. rrweb can be embedded into products as a replay layer or used as the foundation for full session replay platforms. The platform also offers rrweb Cloud, which adds managed hosting, scalable storage, indexing, querying, insights, deduplication, and PII filtering. rrweb supports AI use cases by exporting recordings as structured event streams that LLMs and agents can summarize, triage, or analyze. Built for developers and product teams, rrweb helps organizations understand real user behavior, reproduce bugs, and add session replay infrastructure without building everything from scratch.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

AI developers and agent-harness builders seeking to create, customize, trace, benchmark, and operate composable AI agents with interchangeable models, tools, skills, runtimes, and infrastructure

Audience

Developers, observability teams, product analytics platforms, bug reporting tools, QA teams, automation companies, demo platform builders, AI agent developers, and SaaS teams that need open-source session replay, session recording, managed replay infrastructure, structured event streams, PII filtering, replay analytics, and AI-ready user session data

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version
Free Trial

Pricing

$0
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

DeepSeek
Founded: 2023
China
deepseek.com/harness/en/

Company Information

rrweb
Founded: 2025
Netherlands
rrweb.com

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Categories

Categories

Integrations

DeepSeek
DeepSeek-V4-Flash
DeepSeek-V4-Pro

Integrations

DeepSeek
DeepSeek-V4-Flash
DeepSeek-V4-Pro
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