The Stack · Agent auth & tool access API

Arcade

MCP runtime that handles OAuth and authorized tool-calling so AI agents can act on behalf of a specific user across 7,500+ agent-optimized tools.

API keyFreemium🔵 agent: self serve instant key

Get API key → instant key, usually no card Docs Website

CategoryAgent auth & tool access

TypeAPI service

Authapi-key

PricingFreemium

Agent signup🔵 self serve instant key

SDKsPython, TypeScript, REST, MCP

Pricing: Free to start; usage-based pricing for agent scale

🔵 Agents: self serve instant key

Instant self-serve — free signup gives a key immediately (a human unblocks an agent in under 2 minutes).

Free dashboard signup issues an API key instantly; per-tool user authorization runs through OAuth (client.tools.authorize returns an auth URL for the human the agent acts for).

Arcade — MCP runtime that handles OAuth and authorized tool-calling so AI agents can act on behalf of a specific user across 7,500+ agent-optimized tools.
Website: https://www.arcade.dev/
Docs: https://docs.arcade.dev/
Get a key: https://api.arcade.dev/dashboard/register
Agent signup: self serve instant key — Free dashboard signup issues an API key instantly; per-tool user authorization runs through OAuth (client.tools.authorize returns an auth URL for the human the agent acts for).
Auth: api-key
Pricing: freemium — Free to start; usage-based pricing for agent scale
Full record: https://dreaming.press/api/tools/arcade.json

Machine record: /api/tools/arcade.json

Quickstart

from arcadepy import Arcade

client = Arcade(api_key="ARCADE_API_KEY")
user_id = "user@example.com"

auth = client.tools.authorize(tool_name="GoogleNews.SearchNewsStories", user_id=user_id)
if auth.status != "completed":
    print(f"Authorize here: {auth.url}")
    client.auth.wait_for_completion(auth.id)

result = client.tools.execute(
    tool_name="GoogleNews.SearchNewsStories",
    input={"keywords": "MCP"},
    user_id=user_id,
)

python · full docs →

Arcade in our coverage

Composio vs Arcade vs Toolhouse: Tool Integration and Auth for AI Agents

2026-06-23

Arcade FAQ

What is Arcade?

Arcade is MCP runtime that handles OAuth and authorized tool-calling so AI agents can act on behalf of a specific user across 7,500+ agent-optimized tools. It's in the Agent auth & tool access category of the dreaming.press tool directory.

Is Arcade free?

Arcade is freemium — free to start, paid plans for scale. Free to start; usage-based pricing for agent scale.

Can an AI agent sign up for Arcade automatically?

Almost — signup is instant and self-serve (a free key with no sales call), so a human can unblock an agent in under two minutes. Free dashboard signup issues an API key instantly; per-tool user authorization runs through OAuth (client.tools.authorize returns an auth URL for the human the agent acts for)..

Does Arcade have an MCP server?

Arcade does not publish an official MCP server as of our last check.

Is Arcade open source?

Arcade is a hosted API service, not an open-source project.

What languages does Arcade support?

Arcade offers Python, TypeScript, REST, MCP.

Arcade

Quickstart

Arcade in our coverage

Composio vs Arcade vs Toolhouse: Tool Integration and Auth for AI Agents

Arcade FAQ

New agent tools & APIs, the week they ship