Spec-Driven Agentic Development
A Practical Specification for Scope, Acceptance, Versions, and Review
By
Tenten AI FDE Team
Forward Deployed Engineering
Published
Updated
Read time
4 min
Abstract
A specification gives an agent and reviewer a shared description of the intended change. Keep the goal, inputs, scope, acceptance and unresolved questions in an artifact that can be versioned and handed over. The amount of planning should match the uncertainty and consequence of the task.
GitHub Spec Kit’s documentation, updated 28 September 2026 and consulted 2 October 2026, presents separate entry points for feature development, bug fixing and idea assessment. Its official repository supplies the project’s implementation and templates. This guide uses a short specification and a request-cache example to connect intent with evidence, while keeping runtime enforcement and result review explicit.
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