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Tested in each tool
Before the release, a smoke test ran a sample project through each installed tool, and an evaluation compared v4 with v3 on the same tasks. Each tool’s support note on GitHub has its own smoke-test results:
Before the release, each of the eight tools installed Agent Blueprint by its own route in a clean profile and listed every skill exactly once (docs/). A local smoke test (tests/) then ran a sample project through each tool’s headless mode. It covered discovery of every skill, the manual-only rule, hooks, debugging, and two checks for this release’s skill fixes (existing code kept under TDD, and an approved design taken as approved). docs/ has the table with times and reasons, and each support note under docs/ repeats its tool’s results.
| Tool | Version tested | Result |
|---|---|---|
| Claude Code | 2.1.296 | Installs with each skill once; every check passes |
| Codex | 0.160.0 | Installs with each skill once; every check passes, and all five hooks run once trusted |
| Antigravity | 1.3.3 | Installs with each skill once; every check passes |
| Cursor CLI | 2026.10.01 | Installs with each skill once, through Claude Code’s plugin or --plugin-dir; every check passes |
| Grok Build | 1.0.34 and 1.0.52 | Installs with each skill once; discovery, hooks, the manual-only rule and debugging pass |
| Pi | 0.73.1 | Installs with each skill once by its own route |
| Hermes | 0.19.0 | Installs with each skill once by its own route |
| Amp | 0.0.1791360091 | Installs with each skill once, through Claude Code’s plugin or its own copy |
An evaluation then ran the same fixture tasks on v3.8.0 and v4.0.0 in Claude Code (docs/). Build, review and debug passed on both versions, with no task getting worse. v4 is slower and costs more per task (review took 7m21s instead of 3m08s), because a v4 pipeline writes a provenance record, runs reviews as a swarm with a validator, and takes debugging all the way to a regression test. The ship pipeline was not part of the evaluation: one run costs about $40 and nearly two hours, and the smoke test above already shows it passing end to end.