Who should use Substructure?

Substructure is a B2B product built for engineering and operations teams.

What platforms does Substructure run on?

Substructure runs on the web, the command line, and API. It can also be self-hosted.

Is Substructure still maintained?

The GitHub repository shows 184 commits in the last 90 days.

What projects are similar to Substructure?

Similar projects tracked by PulseGate include robo-cortex, CoreCoder, and ScienceClaw.

Who develops Substructure?

Substructure is developed by Substructure.

When did Substructure launch?

Substructure first shipped in 2026.

Is Substructure open source?

Substructure has a public GitHub repository.

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Substructure

Name: Substructure
Author: Substructure

substructure.aiInfrastructure

Substructure is an agent engine for configuring and running cloud-based AI agents with TOML rather than an SDK. It connects agents to Slack, MCP servers, webhooks, and custom tools, with options for self-hosting or managed deployment.

WebCLIAPISelf-hostedCloud-managed

Visit substructure.ai

5stars

8features

2026since

Overview

8 features

In the Frameworks & runtimes space, Substructure takes a focused approach. It focuses on deploying and operating team AI agents without building a custom agent runtime or SDK integration. Substructure is a B2B product aimed at engineering and operations teams. Substructure is available on the web, the command line, and API, and it can be self-hosted.

It is developed by Substructure, and it first shipped in 2026. The project is developed in the open on GitHub with 184 commits in the last 90 days. Among its 8 catalogued features are TOML configuration, slack agents, and MCP connections. It exposes integrations via an MCP server and a public API.

Summary written by a language model from the project’s public pages.

TOML configuration
Slack agents
MCP connections
Custom agent loops
Webhook integrations
Cloud hosting
Self-hosting
CLI installation

Built with & integrations

Hosting

Cloudflare

AI providers

multiple

Connectors

MCPslackAPIgithub

Runs on

BrowserCLIAPI-onlySelf-hostedCloud-managed

Detected from

Cloudflare: cf-ray header

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of Service GitHub · ★ 5Active maintenance

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed13 Aug · 22:11 UTC
Show HN: An agent engine with no SDK, just TOML and webhooks verified against its public source
Source: PulseGate · Open

Frequently asked questions about Substructure

What does Substructure do?: Substructure focuses on deploying and operating team AI agents without building a custom agent runtime or SDK integration. It is catalogued under Frameworks & runtimes on PulseGate.
Who should use Substructure?: Substructure is a B2B product built for engineering and operations teams.
What platforms does Substructure run on?: Substructure runs on the web, the command line, and API. It can also be self-hosted.
Is Substructure still maintained?: The GitHub repository shows 184 commits in the last 90 days.
What projects are similar to Substructure?: Similar projects tracked by PulseGate include robo-cortex, CoreCoder, and ScienceClaw.robo-cortex CoreCoder ScienceClaw
Who develops Substructure?: Substructure is developed by Substructure.
When did Substructure launch?: Substructure first shipped in 2026.
Is Substructure open source?: Substructure has a public GitHub repository.

At a glance

Pricing: Contact Sales · pricing page detected
Platforms: Cli · Web
Languages: English
Open source: Yes · ★ 5
First seen: 13 Aug 2026
Built for: engineering and operations teams
Model: B2B
Solves: Deploying and operating team AI agents without building a custom agent runtime or SDK integration.

Registered as

GitHub: substructureai/substructure

Developer

Solo developer

GitHub

Open source

View on GitHub

Stars: 5
Forks: 0
Open issues: 0
Last commit: 13 Aug 2026
Commits 90d: 184
Contributors: 1
Authorship: Solo
Default branch: main
Latest release: v0.5.0 · 13 Aug 2026

Index record

Identity confidence: Medium · 68
Indexed: 13 Aug 2026
Lifecycle: Alive
First seen: Aug 2026
Last seen: 13 Aug 2026

Identity audit (13)

Slug: show-hn-an-agent-engine-with-no-sdk-just-toml-and-webh-substructure-ai
Lifecycle state recorded: 13 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 13 Aug 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Written by a language model from the project's public pages.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 13 Aug 2026
Canonical URL: https://substructure.ai/

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