droid

A coding agent from Factory AI that can be called through the agents-wire SDK. It supports requests, streaming, sessions, JSON responses, and standard-input MCP connections.

In plain words
What is it for?
It helps automate coding tasks such as fixing failing tests, run Droid sessions, list sessions, intercept tool calls, and use MCP tools connected over standard input.
Why use it?
It lets an application send coding tasks to Droid and receive its results through a consistent SDK interface. The SDK can also detect invalid or missing authentication and track reported turn costs.

Agent

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 agents/pivanov/agents-wire/droid
Clone the repo
git clone --depth 1 https://github.com/pivanov/agents-wire
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 364 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. 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 $0.00000 $0.00364
Opus 5 $0.00000 $0.00182
Sonnet 5 $0.00000 $0.00073
Haiku 4.5 $0.00000 $0.00036

Measured yesterday against content hash 3608701c1778, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

droid scanned grade A with 0 findings 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

apps/docs/agents/droid.md · 60 lines

What it actually says

Factory Droid

Agent ID: droid

Factory Droid from Factory AI. Speaks ACP natively via droid exec --output-format acp.

Install

npm install -g droid
export FACTORY_API_KEY="your-api-key"

Get your API key from factory.ai.

Quick Start

import { agents } from "@pivanov/agents-wire";

const result = await agents.ask(
  "droid",
  "Fix the failing tests",
  {
    permission: "auto-allow",
  },
);

console.log(result.text);

Model Selection

Droid auto-selects its model. options.model and options.effort are not exposed. The active model is determined by Factory AI based on your account and the task.

Capabilities

Feature Supported
ask / stream / session
askJson
MCP stdio
MCP http/sse
Session listing (listSessions)
Tool call interception

Cost Tracking

Droid reports per-turn costUsd where available. Full cost tracking and maxCostUsd budget enforcement work.

Auth Failure Detection

If FACTORY_API_KEY is missing or invalid, the SDK catches the authentication-failure pattern in stderr and throws AgentUnauthenticatedError.

Gotchas

  • FACTORY_API_KEY must be set. Pass it via options.envFilter if you need to inject it programmatically.
  • Requires a POSIX environment (macOS, Linux, WSL).
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 · 60 lines · 0 tokens per session scan A 3608701c1778

Subscribe to this mod's changes

droid is an agent published in the GitHub repository pivanov/agents-wire (5 stars, last pushed 3mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 364 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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