Loading...
Loading...
Open Responses Server: Wraps any OpenAI API interface as Responses with MCPs support so it supports Codex. It is listed under Development & Code on AI Registry as a free tool.
The tools below are approved listings in the same category, ordered by how closely their tags match Open Responses Server. This is an automatic list. We have not written a researched verdict for Open Responses Server yet, so treat it as a shortlist and check each vendor's pricing page before switching.
Built from each tool's listing. Vendors can update their own listing after claiming it.
An open source alternative to some of Slack AI's premium features.
Open Source Slack AI is a self hosted alternative to Slack's built in AI features. It lets a workspace summarize conversations using its own OpenAI or other LLM API keys, rather than paying a per user per month fee for the official Slack AI add on. The app provides three capabilities. Thread summaries condense a long ...
A native Emacs buffer to interact with LLM agents powered by ACP
This is an Emacs package by Álvaro Ramírez that provides a native Emacs shell buffer for working with AI coding agents. It speaks the Agent Client Protocol through its companion library acp.el, so any agent that supports the protocol can be driven from inside the editor without switching to a separate terminal. It is ...
ROS plugin for OpenClaw, Claude (Code,Desktop,Dispatch), Codex, Google Gemini, Hermes, MCP, etc.
AgenticROS is an open source toolkit that lets AI agents control ROS 2 robots through natural language. A user types or messages a request, an AI agent calls AgenticROS tools, and the toolkit turns that request into ROS 2 actions over rosbridge, returning robot feedback to the conversation. It works with real robots or...
#1 Persistent memory for AI coding agents based on real-world benchmarks
Agentmemory is an open source persistent memory runtime for AI coding agents. It captures what happens in each coding session and recalls the relevant parts in the next one, running entirely on the local machine with no external database, queue or vector store. It is built for developers who use agents such as Claude ...
Fast-track AI innovation with a centralized, trusted, curated registry
Agentregistry is an open source, Kubernetes native registry for MCP servers, agents, skills and prompts. Platform teams use it to curate the AI building blocks their organization trusts in one catalog, then deploy them into a cluster through kagent with a single command. It is built for platform and DevOps teams that ...
Mock everything your AI app talks to — LLM APIs, MCP, A2A, AG-UI, vector DBs, search.
aimock, from the CopilotKit team, is a deterministic mock server for testing AI applications. It stands in for the services an AI app talks to, returning fixed responses defined in JSON fixtures, so tests run the same way every time in CI without API keys, network flakiness or model costs. It is built for developers w...