One Agent, One Worktree: Isolation and Concurrency for Coding Agents🗓️ Last updated: September 2026 Three coding agents start from the same checkout. One upgrades a package. One refactors the service that uses it. One fixes a test by changing the shared fixture. Eac38JEKSep 24 · 5 min readpragmaticstack.in
Tests Are the Verification Layer: Proving Agent Generated Changes🗓️ Last updated: September 2026 The coding agent reports that the feature is complete. The project compiles. Four tests pass. The fifth test was deleted because it represented "legacy behavior." Thi24BPSep 22 · 5 min readpragmaticstack.in
Reviewing Code Nobody Typed: Human Judgment in an Agentic Workflow🗓️ Last updated: September 2026 A pull request arrives with thirty seven changed files, polished comments, comprehensive tests, and a description that explains the architecture with unusual confiden44IISep 17 · 5 min readpragmaticstack.in
The Pull Request Is the Product: A Delivery System for Coding Agents🗓️ Last updated: September 2026 The pilot begins with one developer and one coding agent. Within a month, several teams have different tools, different repository instructions, different permission Sep 15 · 5 min readpragmaticstack.in
The Ticket Is the Contract: Specifying Work for Coding Agents🗓️ Last updated: August 2026 The ticket says, "Improve the checkout flow." A coding agent changes validation, renames a response field, adds a dependency, and redesigns the error page. Every change Aug 27 · 5 min readpragmaticstack.in