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Terminal Agent

RA.Aid

An open-source command-line coding agent that runs an explicit research phase over your codebase before planning and making changes.

Pricing
Open source, free (bring your own API key)
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RA.Aid (Research-Augmented AI Development) is an open-source CLI agent built around a research-then-plan-then-execute loop, so the agent gathers context on how your codebase actually works before proposing a change.

Why it stands out

Good for

Developers who want an agent that reasons through unfamiliar code before making changes rather than editing on the first pass.