155 lines
6.1 KiB
Markdown
155 lines
6.1 KiB
Markdown
# Multi-CLI agent invocation
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> *Cross-LLM agent execution. Same agent definition, different backend.*
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> *Same DNA, swap the brain. KeiSeiKit is no longer Claude-Code-only.*
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KeiSeiKit agents are markdown files. Any LLM CLI that takes a prompt can
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host them. Three call shapes:
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```bash
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kei agent <name> "<task>" # DNA-resolved (manifest → primary → claude)
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kei agent --on=<backend> <name> "<task>" # override DNA
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kei run-via <backend> <name> "<task>" # explicit backend (no DNA lookup)
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```
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## Backends — smoke-tested 2026-05-26
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| Backend | CLI | Flag | Smoke | Notes |
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|----------|-----------|--------------|-------|-------|
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| claude | `claude` | `-p` | ✅ | Claude Code, native `--agent` flag |
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| grok | `grok` | `--print` | ✅ | xAI Grok Build TUI, native `--agent` flag |
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| agy | `agy` | `--print` | ✅ | Google Antigravity (Gemini models). Alias: `antigravity` |
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| copilot | `copilot` | `--prompt` | ✅ | GitHub Copilot CLI (`@github/copilot`) |
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| kimi | `kimi` | TUI-only | ⚠ | No print mode — launcher saves prompt to tmpfile + opens TUI for paste. `kimi acp` JSON-RPC integration is future work. |
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| codex | `codex` | `-p` | — | OpenAI Codex (register-only; not installed locally) |
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Run `kei run-via list` to see installed backends, current primary, and agent names.
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## DNA — agent prefers a provider
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Add `provider` to the agent manifest:
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```toml
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# _manifests/my-agent.toml
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name = "my-agent"
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provider = "grok" # preferred backend; optional
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model = "grok-2" # advisory; informs choice but not yet sent through
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```
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The assembler emits it into frontmatter:
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```yaml
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---
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name: my-agent
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provider: grok
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---
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```
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Resolution order (each falls through if previous returns nothing):
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1. `--on=<backend>` flag on the command line
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2. `provider:` field in agent manifest
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3. `~/.claude/config/primary.toml` (set via `kei primary <backend>`)
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4. Default: `claude`
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## Primary — your default LLM
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```bash
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kei primary # show current primary (and fallback)
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kei primary grok # set default to Grok
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kei primary claude # back to Claude Code
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```
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`kei primary` writes `~/.claude/config/primary.toml`. Any agent without
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its own `provider:` field will resolve to this. This is the lever to
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"swap out Claude Code as the primary shell" — set primary to grok, and
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every `kei agent <name>` runs on Grok.
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## Usage examples
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```bash
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# DNA mode (manifest's provider, or primary, or claude):
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kei agent critic "review src/auth.rs"
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# Override DNA — try the same agent on a different model for a second opinion:
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kei agent --on=grok critic "review src/auth.rs"
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kei agent --on=agy critic "review src/auth.rs"
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kei agent --on=copilot critic "review src/auth.rs"
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# Explicit backend, no DNA lookup (legacy):
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kei run-via grok critic "review src/auth.rs"
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# Point at an arbitrary agent file:
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kei agent --on=grok --file=/tmp/my-agent.md "do the thing"
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# Native --agent flag (grok/claude only):
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KEI_NATIVE_AGENT=1 kei agent critic "review src/auth.rs"
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```
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## How it works
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1. Resolves backend from DNA (see above).
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2. Reads `~/.claude/agents/<agent-name>.md` (assembler-generated prompt).
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3. Strips YAML frontmatter.
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4. Composes with task: `<agent prompt>\n\n---\n\nTASK FOR THIS RUN:\n<task>`.
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5. Execs the backend's non-interactive CLI with the composed prompt.
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No agent file is modified. No new tokens are issued — subscription
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authentication is whatever each CLI uses (its own login / config dir).
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## When to use each
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This is a tool, not a recommendation. Each backend has different
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strengths; the substrate is agnostic about which you pick. Pick by:
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- **Familiarity** — the CLI you already use day-to-day.
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- **Subscription cost** — burn the one with cheaper marginal cost first.
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- **Specific feature** — e.g. `grok --agent` for native sub-agent
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switching mid-conversation; `agy --sandbox` for terminal restriction.
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- **Independent second opinion** — same agent, different model, see if
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conclusions diverge.
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## Rule enforcement caveat (READ THIS)
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KeiSeiKit hooks (`numeric-claims-guard`, `citation-verify`, `no-github-push`,
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`safety-guard`, `push-to-main`, etc.) are **Claude Code-side**:
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`PreToolUse:Bash` / `:Edit` / `:Write` events that fire inside Claude Code's
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process. They do **not** propagate to grok / agy / copilot / kimi.
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That means:
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- **Prompt-level rules** (the agent's instructions inside the `.md`) DO
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carry through — the agent reads Constructor Pattern, Evidence Grading,
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No Hallucination, etc. as part of its system prompt on any backend.
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- **Tool-level enforcement** (hard-deny on `git push github.com`,
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citation guard, etc.) only applies on the **claude** backend. Other
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backends' tool surfaces are governed by THEIR own hooks/policies.
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If you need true rule-enforcement on a non-claude backend, the path is
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the **MCP server** (`_primitives/_rust/kei-mcp/`): registers KeiSeiKit
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primitives as MCP tools that the other CLI invokes. Tool-side policies
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travel with the MCP wrapper, not with the CLI.
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## Adding a new backend
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1. Add a `[backend.<name>]` table to `_primitives/cli-backends.toml`.
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2. Add a case arm in `scripts/kei-agent-cli.sh` `backend_bin()` and
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`backend_invoke()` for the new CLI's print-flag.
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3. Add a row to the smoke-test table above (state PASS/FAIL/PARTIAL).
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## What it is NOT
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- Not a router — picks no backend for you; you (or DNA) ask, it dispatches.
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- Not a federation — each backend runs independently with its own
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context; there is no cross-backend state.
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- Not a rule-enforcement layer — hooks only fire on the claude backend
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(see caveat above). For non-claude rule enforcement use MCP server.
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- Not a wrapper around the backend's tool surface — what the CLI can
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do (Bash, file edits, MCP, etc.) is determined by that CLI, not
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KeiSeiKit. The substrate only ships the prompt.
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## Related
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- `_primitives/_rust/kei-llm-router/` — Beta-posterior router for
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*programmatic* model selection inside Rust code (a different layer).
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- `_primitives/_rust/kei-mcp/` — MCP server that exposes KeiSeiKit
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primitives to ANY MCP-compatible client (Cursor / Continue / Zed /
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Aider / Cline / Windsurf / OpenClaw).
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