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RMDWLLC/
kaiju-coder-7-opencode

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OpenCode Quickstart For Kaiju Coder 7

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Kaiju Coder 7 is served as an OpenAI-compatible model with public model id kaiju-coder-7. After the helper is installed, Kaiju is configured as a normal OpenCode model: start OpenCode, select kaiju/kaiju-coder-7 if needed, and work normally.

Local Provider Config

The installer below writes this provider block and a scoped loop-guard plugin to ~/.config/opencode/opencode.jsonc, adjusting the baseURL if you pass --base-url.

If you configure OpenCode manually, add the provider block and set plugin to the absolute path where you copied kaiju-no-autocontinue.mjs:

jsonc

{
  "$schema": "https://opencode.ai/config.json",
  "model": "kaiju/kaiju-coder-7",
  "default_agent": "kaiju-coder-7",
  "plugin": [
    "/Users/YOUR_USER/.config/opencode/kaiju-no-autocontinue.mjs"
  ],
  "provider": {
    "kaiju": {
      "npm": "@ai-sdk/openai-compatible",
      "name": "Kaiju Coder",
      "options": {
        "baseURL": "http://127.0.0.1:18181/v1",
        "apiKey": "not-needed",
        "timeout": 900000,
        "chunkTimeout": 120000
      },
      "models": {
        "kaiju-coder-7": {
          "name": "Kaiju Coder 7",
          "limit": {
            "context": 16384,
            "output": 2500
          }
        }
      }
    }
  }
}

Run

Install the provider, Kaiju agent, no-autocontinue loop guard, router command, and default OpenCode settings locally:

python3 scripts/install_kaiju_opencode_profile.py

The installer sets:

model: kaiju/kaiju-coder-7
default_agent: kaiju-coder-7
the kaiju OpenAI-compatible provider
the Kaiju OpenCode plugin and kaiju_artifact custom tool
Kaiju as the default primary agent, so choosing kaiju/kaiju-coder-7 uses the hidden fast artifact path without requiring /kaiju

It also writes kaiju-coder-7-run to ~/.local/bin, persists the router runtime under ~/.config/opencode/kaiju-coder-7-runtime, and installs the optional /kaiju command. Those are power-user paths; normal use should feel like any other OpenCode model.

From the project you want Kaiju to edit:

opencode

If you did not let the installer set defaults, use:

opencode -m kaiju/kaiju-coder-7 --agent kaiju-coder-7

For a one-shot smoke test:

opencode run "Create hello.txt with exactly: Kaiju Coder 7 is ready"

For the packaged public verifier:

python3 scripts/run_kaiju_public_opencode_smoke.py

It checks the installer preview, the live /v1/models response, the local OpenCode binary, a real file write in a temporary workspace, and whether the same file leaked into the repo or home directory.

For a fast website or business-owner pack:

bash

kaiju-coder-7-run \
  --no-planner \
  --kind website \
  --out-dir "$HOME/Desktop/Kaiju-Coder-7-Test" \
  --prompt "Build a premium one-page website for Harborline Bookkeeping with pricing, FAQ, and a cleanup-call CTA."

For big website, landing-page, owner-pack, or Desktop-output prompts, the installed OpenCode agent is instructed to call the kaiju_artifact tool first and then report the generated artifact path and verification checks. In the TUI, /kaiju is optional; it is a shortcut, not the required way to use the model.

Why The Lean Agent Matters

The default OpenCode build agent includes a large prompt and many tools. That can consume most of a 12k context window before the user task begins. The Kaiju agent disables subagents, skills, web tools, todo tools, and LSP by default so more context is reserved for the real code and file work.

Why The Loop Guard Matters

Earlier Kaiju OpenCode tests found a bad failure mode: after an output or step limit, OpenCode could compact the session, synthesize a false "all files are created" summary, and then auto-continue from that bad state. The packaged kaiju-no-autocontinue.mjs plugin disables synthetic auto-continue for Kaiju Coder 7 sessions and adds compaction instructions that only allow proven file/output facts into the summary.

Current Recommended Runtime

Model id: kaiju-coder-7
Endpoint shape: OpenAI-compatible /v1/chat/completions
Fast OpenCode base URL: http://127.0.0.1:18181/v1
Fast proxy upstream for Richard's current setup: vLLM bitsandbytes on Gojira-B port 18084
Current tested context: 16,384
Tested high-context target: 32,768, but not the current fast default
Serving path for speed testing: merged full model through vLLM runtime bitsandbytes
OpenCode normal path: install once, then run opencode
OpenCode guard: Kaiju default agent plus scoped no-autocontinue plugin
OpenCode custom tool: kaiju_artifact
OpenCode command: /kaiju
Fast artifact command: kaiju-coder-7-run
Product caveat: raw generation is useful but slow; paid workflows should use deterministic harnesses and verifiers until broader raw-model gates pass.

Fast Proxy

The helper bundle includes scripts/kaiju_opencode_fast_proxy.py. It preserves OpenCode tool-call streaming while forcing the fast model settings Kaiju needs: thinking=false, model id kaiju-coder-7, and bounded output budgets.

Run it in one terminal, then point OpenCode at http://127.0.0.1:18181/v1: