Guides to Claude Code, Cursor, Codex and the Claude and GPT APIs: setup, token savings and troubleshooting.
2 min · · kilo code
Kilo Code lives inside VS Code and works with any compatible API. Setup is an address, a key, a model name.
3 min · · openhands
OpenHands executes commands in an isolated container. The model underneath is your choice — address and key.
3 min · · goose
Goose is an open-source agent with an extension system. The provider is yours to choose.
3 min · · harness
They all read your project and edit code. The differences are in how much they ask, how much they spend, and where they live.
3 min · · harness
The model answers "I cannot access your project" even though the agent is configured. Almost always it's tool calls, not the model.
3 min · · opencode
opencode is an open-source terminal agent. It works with any compatible API — you just supply the address and key.
3 min · · harness
A model on its own cannot read files or run commands. The harness does that. Here is how it works.