opencode-providers

Instructions for connecting OpenCode, an AI coding tool, to hosted or locally running language models. It covers provider settings, API keys, and model selection.

In plain words
What is it for?
Use it to connect providers through OpenCode, configure OpenAI-compatible services, or set up Ollama, llama.cpp, and LM Studio models.
Why use it?
It explains how to configure the connection when the model provider is missing, customized, local, or failing authentication.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/timmy6942025/opencode-builder-skill/opencode-providers
Any agent
npx skills add Timmy6942025/opencode-builder-skill --skill opencode-providers
Clone the repo
git clone --depth 1 https://github.com/Timmy6942025/opencode-builder-skill

Made for: Claude Code, Codex.

Per session 81 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 7,592 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 1 finding. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00081 $0.07592
Opus 5 $0.00041 $0.03796
Sonnet 5 $0.00016 $0.01518
Haiku 4.5 $0.00008 $0.00759

Measured yesterday against content hash 3b9940377dd6, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade C, and why

opencode-providers scanned grade C with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Reaches for credential fileshighPrivilege escalation

SSH keys, cloud credentials, git-credentials, .npmrc, /etc/shadow: reading these is how a config file becomes a credential leak.

- `profile` — Named profile from `~/.aws/credentials`
skills/opencode-providers/SKILL.md · 951 lines

How it starts

The opening of the file, as written. The whole thing — 951 lines — stays where its author put it; the contents beside it link to each section on GitHub.

OpenCode Providers

📚 Official Docs: For the latest information, always refer to the official documentation: https://opencode.ai/docs/providers/

Overview

OpenCode uses the AI SDK and Models.dev to support 75+ LLM providers and local models. Providers are configured through opencode.json and authenticated via the /connect command.

Quick start:

  1. Run /connect in the TUI and select your provider
  2. Enter your API key when prompted
  3. Run /models to select a model

Credentials

API keys added via /connect are stored in ~/.local/share/opencode/auth.json.

Provider Config

Customize providers through the provider section in opencode.json:

{
  "$schema": "https://opencode.ai/config.json",
  "provider": {
    "anthropic": {
      "options": {
        "baseURL": "https://api.anthropic.com/v1"
      }
    }
  }
}

Key config fields:

  • npm — AI SDK package (e.g. @ai-sdk/openai-compatible for OpenAI-compatible endpoints, @ai-sdk/openai for /v1/responses endpoints)
  • name — Display name in UI
  • options.baseURL — API endpoint URL
  • options.apiKey — API key (or use /connect)
  • options.headers — Custom headers sent with each request
  • models — Map of model IDs to configurations
  • limit.context — Maximum input tokens the model accepts
  • limit.output — Maximum tokens the model can generate

OpenCode Zen

OpenCode Zen is a curated list of tested and verified models provided by the OpenCode team. It works like any other provider — pay-as-you-go, completely optional.

Setup:

  1. Sign in at opencode.ai/auth, add billing details, copy API key
  2. Run /connect, select OpenCode Zen, paste API key
  3. Run /models to see recommended models

Free models available:

  • DeepSeek V4 Flash Free
  • MiMo-V2.5 Free
  • Nemotron 3 Super Free
  • Big Pickle (stealth model)

Pricing (per 1M tokens, selected models):

Read the full file on GitHub · 951 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 951 lines · 81 tokens per session scan C 3b9940377dd6

Subscribe to this mod's changes

opencode-providers is a skill published in the GitHub repository Timmy6942025/opencode-builder-skill (2 stars, last pushed 3mo ago), licensed MIT. It adds 81 tokens to every session and 7,592 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it C with 1 finding (reaches for credential files). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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