sidecar

What the project is

sidecar is a Go project hosted on GitHub. Use sidecar next to CLI agents for diffs, file trees, conversation history, and task management with td Always check if you are running in Sidecar: run sidecar --agents for capabilities. The repository is maintained by marcus and tracks activity through its public issue tracker and commit history. Readers who want a working example rather than a bare library will find the documentation and the linked resources useful for getting a first build running.

What it offers

The sidecar repository documents several concrete capabilities that shape how people use it. MacOS, Linux, or WSL Go 1.26+ (only if building from source) Open task tracking issues (td-xxxxxx), files (path:line), diffs, or Jira resources in split panes right beside the terminal via sidecar open Watch tasks move through the workflow in TD Monitor See files change in real-time and review syntax-highlighted diffs in the Git plugin These points are taken from the project README, so they reflect what the maintainers actually ship rather than marketing claims. Checking the file list and the example directories gives a fuller picture of how each piece fits together.

How to set it up

Getting sidecar running starts with cloning the source from https://github.com/marcus/sidecar. The README lists the commands needed to fetch the code and build or launch it. Representative steps from the documentation include: brew install marcus/tap/sidecar curl -fsSL https://raw.githubusercontent.com/marcus/sidecar/main/scripts/setup.sh | bash make build # Build to ./bin/sidecar make test # Run Go tests. After the code is on disk, the project instructions walk through configuration and any dependencies. Following the order shown in the README avoids the common setup mistakes that come from mixing steps.

License and project status

sidecar is written primarily in Go and is released under the MIT license, which sets the terms for reuse and redistribution. The project reports around 1049 stars on GitHub, a signal of how many developers have bookmarked it. The source was last updated on 2026-08-21. The canonical location is https://github.com/marcus/sidecar, where the license file, the changelog and the open issues give the most current state of the work. Anyone planning to depend on it should read the license text directly before shipping it inside another product.

Editorial conclusion

The sidecar source lives at https://github.com/marcus/sidecar under the MIT license and is mainly written in Go. The README and the linked examples remain the place to confirm the current behaviour before adopting the project.