Catalog
Harnesses
Synthetic preview harnesses plus external catalog profiles. Catalog-only rows have no Index scores.
| Harness | Source | Status | Kind | Version | Adapter |
|---|---|---|---|---|---|
| Baseline Loop Minimal terminal-agent loop used as a preview baseline. harness-index | synthetic | preview-seed | terminal-agent | 0.3.1 | baseline-adapter@1.0.2 |
| Structured ReAct Plan, act, observe loop with bounded context and tool policy. harness-index | synthetic | preview-seed | terminal-agent | 0.9.4 | structured-adapter@1.2.0 |
| Front-end baseline Deterministic reference adapter that implements every frontend-eval 0.1.0 task. harness-index | synthetic | scored-preview | reference | 0.1.0 | fe-baseline-adapter@0.1.0 |
| Front-end failing Intentional failing adapter that proves frontend-eval graders can reject work. harness-index | synthetic | scored-preview | reference | 0.1.0 | fe-failing-adapter@0.1.0 |
| Grok CLI Open-source terminal coding agent for the Grok API: tools, sub-agents, sandbox, headless mode, and verify flows. Community-built; not affiliated with xAI. superagent-ai | external | adapter-stub | terminal-agent | 1.1.7 | grok-cli-adapter@0.1.0-stub |
| Claude Code Interactive terminal coding agent from Anthropic with tools, project instructions, and session workflows. Catalog entry only until an official or reverse-stable headless eval contract is pinned. Anthropic | external | catalog-only | terminal-agent | catalog | claude-code-adapter@0.0.0-planned |
| Codex CLI OpenAI terminal coding agent. Official non-interactive path is `codex exec` with JSONL. Daily-driver 1–2 on X in Aug 2026; stars underweight practitioner rank. OpenAI | external | catalog-only | terminal-agent | catalog | codex-adapter@0.0.0-planned |
| Pi Small coding-agent kernel. Print/eval is `pi --print --mode json`. HI brands this runtime; the catalog row is upstream Pi, not HI. Earendil Works | external | catalog-only | terminal-agent | catalog | pi-adapter@0.0.0-planned |
| Hermes Agent Nous terminal agent. Harbor has an adapter; a first-party non-interactive Index freeze is not claimed yet. Nous Research | external | catalog-only | terminal-agent | catalog | hermes-adapter@0.0.0-planned |
| OpenCode MIT terminal coding CLI. Scriptable path is `opencode run --format json`. Distant third on X behind Codex and Claude Code. OpenCode | external | catalog-only | terminal-agent | 1.18.18 | opencode-adapter@0.0.0-planned |
| oh-my-pi Pi fork with Agent Hub and vibe-mode TV wall. Workers are copies of itself, not foreign CLIs. HI kind `omp`. can1357 | external | catalog-only | terminal-agent | catalog | oh-my-pi-adapter@0.0.0-planned |
| Grok Build Official xAI Grok Build CLI. Headless is `grok --single` / `-p` with `--output-format`. Separate product from community grok-cli. xAI | external | catalog-only | terminal-agent | catalog | grok-build-adapter@0.0.0-planned |
| Gemini CLI Apache-2.0 Gemini terminal CLI. Eval-able via `gemini -p` / `--output-format json`. Not an `hi` kind yet. | external | catalog-only | terminal-agent | catalog | gemini-cli-adapter@0.0.0-planned |