Openrouter CLI for AI Agents

Use Composio Universal CLI with Openrouter. Generate python code from this prompt, summarize this article using claude-3, and more using natural language, with authentication handled for you.

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OpenRouter is a unified API platform for accessing language models from various providers. It lets you easily integrate and switch between multiple LLMs with a single API.

19 Tools

Introduction

CLIs are eating MCPs. The industry is converging on the very same idea. MCPs for all their merit can be token hungry, slow, and unreliable for complex tool chaining. However, coding agents have become incredibly good at working with CLIs, and in fact they are far more comfortable working with CLI tools than MCP.

With Composio's Universal CLI, your coding agents can talk to over 1500+ SaaS applications. With Openrouter, agents can generate python code from this prompt, summarize this article using claude-3, list all available llama-3 model endpoints, and more — all without worrying about authentication.

This guide walks you through Composio Universal CLI and explains how you can connect it with coding agents like Claude Code, Codex, OpenCode, etc, for end-to-end Openrouter automation.

Also integrate Openrouter with

What is Universal CLI and why use it?

The idea behind building the universal CLI is to give agents a single command interface to interact with all your external applications. Here's what you'll get with it:

  • Agent-friendly: Coding agents like Claude Code, Codex, and OpenCode can use CLI tools natively — no MCP setup required.
  • Authentication handled: Connect once via OAuth or API Key, and all CLI commands work with your credentials automatically.
  • Tool discovery: Search, inspect, and execute 20,000+ tools across 1500+ apps from one interface.
  • Trigger support: Use triggers to listen for events across your apps, powered by real-time webhooks or polling under the hood.
  • Type generation: Generate typed schemas for autocomplete and type safety in your projects.

Prerequisites

Install the Composio CLI, authenticate, and initialize your project:

bash
# Install the Composio CLI
curl -fsSL https://composio.dev/install | bash

# Authenticate with Composio
composio login

During login you'll be redirected to sign in page, finish the complete flow and you're all set.

Composio CLI authentication flow

Connecting Openrouter to Coding Agents via Universal CLI

Once it is installed, it's essentially done. Claude Code, Codex, OpenCode, OpenClaw, or any other agent will be able to access the CLI. A few steps to give agents access to your apps.

  1. Launch your Coding Agent — Claude Code, Codex, OpenCode, anything you prefer.
  2. Prompt it to "Authenticate with Openrouter"
  3. Complete the authentication and authorization flow and your Openrouter integration is all set.
  4. Start asking anything you want.

Universal CLI Commands for Openrouter

You can also manually execute CLI commands to interact with your Openrouter.

Connect your Openrouter account

Link your Openrouter account and verify the connection:

bash
# Connect your Openrouter account (opens OAuth flow)
composio connected-accounts link openrouter

# Verify the connection
composio connected-accounts list --toolkits openrouter

Discover Openrouter tools

Search and inspect available Openrouter tools:

bash
# List all available Openrouter tools
composio tools list --toolkit openrouter

# Search for Openrouter tools by action
composio tools search "openrouter"

# Inspect a tool's input schema
composio tools info OPENROUTER_LIST_AVAILABLE_MODELS

Common Openrouter Actions

List Available Models — Tool to list available models via OpenRouter API

bash
composio tools execute OPENROUTER_LIST_AVAILABLE_MODELS \
  --use_rss "<boolean>" \
  --category "<string>" \
  --use_rss_chat_links "<boolean>"

List Embedding Models — Tool to list all available embeddings models via OpenRouter API

bash
composio tools execute OPENROUTER_LIST_EMBEDDING_MODELS \
  --X-Title "<string>" \
  --HTTP-Referer "<string>"

OpenRouter List Model Endpoints — Tool to list endpoints for a specific model

bash
composio tools execute OPENROUTER_LIST_MODEL_ENDPOINTS \
  --slug "<string>" \
  --author "<string>"

OpenRouter List Providers — Tool to list all AI model providers available through the OpenRouter API

bash
composio tools execute OPENROUTER_LIST_PROVIDERS

List User Models — Tool to list models filtered by user provider preferences, privacy settings, and guardrails

bash
composio tools execute OPENROUTER_LIST_USER_MODELS \
  --x_title "<string>" \
  --http_referer "<string>"

OpenRouter List ZDR Endpoints — Tool to preview the impact of Zero Data Retention (ZDR) on the available endpoints

bash
composio tools execute OPENROUTER_LIST_ZDR_ENDPOINTS \
  --x_title "<string>" \
  --http_referer "<string>"

Create Chat Completion — Tool to generate a chat-style completion

bash
composio tools execute OPENROUTER_CREATE_CHAT_COMPLETION \
  --model "openai/gpt-4" \
  --messages "<array>"

Create Coinbase Charge — Tool to create a Coinbase charge for crypto payment to add credits to your OpenRouter account

bash
composio tools execute OPENROUTER_CREATE_COINBASE_CHARGE \
  --amount "100" \
  --sender "0x1234567890123456789012345678901234567890" \
  --chain_id "1"

Generate Type Definitions

Generate typed schemas for Openrouter tools to get autocomplete and type safety in your project:

bash
# Auto-detect language
composio generate --toolkits openrouter

# TypeScript
composio ts generate --toolkits openrouter

# Python
composio py generate --toolkits openrouter

Tips & Tricks

  • Always inspect a tool's input schema before executing: composio tools info <TOOL_NAME>
  • Pipe output with jq for better readability: composio tools execute TOOL_NAME -d '{}' | jq
  • Set COMPOSIO_API_KEY as an environment variable for CI/CD pipelines
  • Use composio dev logs tools to inspect execution logs and debug issues

Next Steps

  • Try asking your coding agent to perform various Openrouter operations
  • Explore cross-app workflows by connecting more toolkits
  • Set up triggers for real-time automation
  • Use composio generate for typed schemas in your projects
TOOLS

Supported Tools

Every Openrouter action and event your agent gets out of the box.

Create Chat Completion

Tool to generate a chat-style completion.

Create Coinbase Charge

Tool to create a Coinbase charge for crypto payment to add credits to your OpenRouter account.

Create Embeddings

Create vector embeddings for text, token, or multimodal inputs.

Create Message (Anthropic Format)

Tool to create a message using Anthropic Messages API format via OpenRouter.

Create Speech

Synthesize speech from text or multi-speaker turns.

Create Video Generation

Submit an asynchronous video generation job to OpenRouter.

Get Credits

Tool to get the current API credit balance for the authenticated user.

Get Current Key

Tool to get information about the currently authenticated API key.

Get Generation

Tool to retrieve a generation result by its unique ID.

Get Models Count

Tool to get the total count of available models on OpenRouter.

Get Video Content

Download one output from a completed OpenRouter video generation job.

Get Video Generation

Poll a video generation job for its status, outputs, and usage.

List Available Models

Tool to list available models via OpenRouter API.

List Embedding Models

Tool to list all available embeddings models via OpenRouter API.

OpenRouter List Model Endpoints

Tool to list endpoints for a specific model.

OpenRouter List Providers

Tool to list all AI model providers available through the OpenRouter API.

List User Models

Tool to list models filtered by user provider preferences, privacy settings, and guardrails.

OpenRouter List ZDR Endpoints

Tool to preview the impact of Zero Data Retention (ZDR) on the available endpoints.

Rerank Content

Rank text or multimodal documents by relevance to a query.

FAQ

Frequently asked questions

The Composio Universal CLI is a single command-line interface that lets coding agents and developers interact with 1500+ SaaS applications. It handles authentication, tool discovery, action execution, and trigger setup — all from the terminal, without needing to configure MCP servers.

Any coding agent that can run shell commands works with the Composio CLI — including Claude Code, Codex, OpenCode, OpenClaw, and others. Once the CLI is installed, agents automatically discover and use the composio commands to interact with Openrouter and other connected apps.

MCP servers require configuration and can be token-heavy for complex workflows. The CLI gives agents a direct, lightweight interface — no server setup needed. Agents simply call composio commands like any other shell tool. It's faster to set up, more reliable for multi-step tool chaining, and works natively with how coding agents already operate.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Openrouter data and credentials are handled as safely as possible. You can also bring your own OAuth credentials for full control.

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