collections

Talk to PostgreSQL, MySQL, and SQLite from iii — query, execute, transactions, prepared statements, and change feeds.

Distributed key-value state management with reactive change triggers — registers the `state` trigger type and the `state::*` functions.

Build durable streams for real-time data subscriptions.

Object storage across AWS S3, GCS, Cloudflare R2, and a native local filesystem backend. Streamed uploads, signed URLs, and object change triggers.

Engine introspection, workers registry proxy, filesystem-backed skills, system prompts, and agent profiles, plus function search ranked by the judge worker (falling back to local hybrid/lexical) with a conditional pre-generate hint.

Thin durable turn loop that wires session-manager, context-manager, and llm-router into an agent loop; spawns sub-agents as child sessions.

Unix shell + filesystem worker — exec with denylist/timeout/output caps and background jobs; fs::ls|stat|mkdir|rm|chmod|mv|grep|sed|read|write with host jail, denylist, size caps, and sandbox-target forwarding

Spawn ephemeral microVMs and expose 14 sandbox::* triggers (lifecycle + filesystem) for isolated command execution and file ops.

Durable, reactive, branching store of typed conversation entries with six emitted trigger types.

Anthropic Messages API provider worker; implements provider::anthropic::stream and provider::anthropic::refresh_models behind llm-router.

OpenAI Responses provider worker with Chat Completions compatibility; implements provider::openai::stream and provider::openai::refresh_models behind llm-router.

OpenAI Codex (ChatGPT subscription) provider; implements provider::openai-codex::stream and provider::openai-codex::refresh_models behind llm-router, with ChatGPT device-code sign-in and automatic session renewal backed by private state.

xAI Chat Completions provider worker; implements provider::xai::stream and provider::xai::refresh_models behind llm-router.

Z.AI Chat Completions provider worker; implements provider::zai::stream and provider::zai::refresh_models behind llm-router.

Thin durable turn loop that wires session-manager, context-manager, and llm-router into an agent loop; spawns sub-agents as child sessions.

Unix shell + filesystem worker — exec with denylist/timeout/output caps and background jobs; fs::ls|stat|mkdir|rm|chmod|mv|grep|sed|read|write with host jail, denylist, size caps, and sandbox-target forwarding

Spawn ephemeral microVMs and expose 14 sandbox::* triggers (lifecycle + filesystem) for isolated command execution and file ops.

Git worktree lifecycle for parallel agents — mint, claim, and track isolated worktrees per repo, emit lifecycle trigger types, and land branches back through a per-repo FIFO queue (rebase, test gate, ff-only merge).

Policy and decision surface for human-held function calls — pre_trigger gate, pending inbox, per-session permission settings, and two notification trigger types.

Expose functions as HTTP endpoints — registers the `http` trigger type and serves matched routes.

Web console for iii — bundles the React UI and proxies the engine WebSocket on a single port.

A browser on the iii bus - shared Chromium with persistent, restorable tabs and incognito tabs. Navigate, act, read the page console, pick elements. Also parses HTML natively without a browser (browser::* - css/xpath/regex, element search, markdown).

Outbound HTTP client on the iii bus (web::fetch).

Slack as an iii worker — exposes the Slack Web API as slack::* functions, plus a harness bridge (inbound events → harness::send, native streaming, approvals). Configurable from the console.

Telegram bridge to the harness stack — polling or webhook ingress, live message edits, approvals, and configurable verbosity.

Email worker — SMTP send and real-time IMAP read with IDLE push (email::*).

A browser on the iii bus - shared Chromium with persistent, restorable tabs and incognito tabs. Navigate, act, read the page console, pick elements. Also parses HTML natively without a browser (browser::* - css/xpath/regex, element search, markdown).

MCP 2025-06-18 Streamable HTTP bridge for the iii engine.

III engine image resize worker (JPEG/PNG/WebP, EXIF orient, scale-to-fit / crop-to-fit)

Git worktree lifecycle for parallel agents — mint, claim, and track isolated worktrees per repo, emit lifecycle trigger types, and land branches back through a per-repo FIFO queue (rebase, test gate, ff-only merge).

RBAC boundary proxy for the iii worker protocol — auth, gating, namespacing, middleware, and engine:: result filtering on its own port.

OpenTelemetry-based traces, metrics, logs, alerts, and sampling.