Open source alternatives to runtime
24 open source AI Skills apps to use instead, best rated first.
Top picks
- G

github-ops
Getgithub-ops is an agent skill from the ECC collection by affaan-m, listed on skills.sh. It manages a GitHub repository with a focus on community health, CI reliability and the experience of contributors. It covers triaging issues by classify
Open source
- O

opensource-pipeline
Getopensource-pipeline is an agent skill from the ECC collection by affaan-m, listed on skills.sh. It prepares a private project for safe public release through a three-stage pipeline. The fork stage strips secrets from a copy. The sanitise st
Open source
- A

andrej-karpathy-skills
Getandrej-karpathy-skills is a single CLAUDE.md file from the multica-ai project that is meant to improve how Claude Code behaves on coding tasks. It is derived from Andrej Karpathy's public observations about LLM coding pitfalls. The file dis
Open source
- M

microsoft/markitdown
Getmarkitdown-mcp is the MCP server package for MarkItDown, Microsoft's tool for converting many file formats to Markdown for language models. It is a lightweight server that runs over stdio, Streamable HTTP or SSE, and exposes one tool, conve
Open source
- O

od-contribute
Getod-contribute is an agent skill in the OpenDesign project that provides a guided, one-click contribution flow to the OpenDesign repository, written so that people without a coding background can send a real pull request. It is locked to the
Open source
- G

github-deep-research
Getgithub-deep-research is an agent skill from the DeerFlow project that researches a single GitHub repository in several rounds and writes a report in Markdown. It is for requests that need more than a README summary, such as a comprehensive
Open source
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About runtime

runtime
@copilotkit/runtime
runtime is an agent skill from the CopilotKit project's skills collection, listed on skills.sh. It covers @copilotkit/runtime, the server half of CopilotKit. The runtime accepts AG-UI protocol requests, sends them to an agent, either built in or external, runs the output stream through an AgentRunner, and replies as Server-Sent Events. The package can be mounted as a fetch-native CopilotRuntime on any JavaScript server, and developers can wire middleware, choose an AgentRunner and create a BuiltInAgent, including in Factory Mode. The skill's core is a mental model of the three dictionaries a developer hands to CopilotRuntime. Like the frontend skill, it is an index that points to a reference file for each task, so the agent reads only what applies. The runtime is also the part that handles SSE and Intelligence transport, middleware and transcription in CopilotKit v2. It is for backend developers who need to serve CopilotKit agents from their own server.
- Price
- Free
- Made by
- copilotkit
- Category
- AI Skills
- Website
- github.com/copilotkit/copilotkit/runtime










