中文
~/home / Show HN
Show HN

Preloop: Open-source control plane for AI agents. See, govern, cut cost

Preloop: Open-source control plane for AI agents. See, govern, cut cost is a skill AI agent for To safely deploy, monitor, and manage multiple AI agents across workflows, preventing uncontrolled execution and runaway costs. Pricing: Free. As of 2026-09-20, KanonAgent records 2 upvotes. First indexed by KanonAgent on 2026-07-28.
Preloop is an open-source control plane that gives teams visibility, governance, and cost control over AI agent workflows.
Preloop: Open-source control plane for AI agents. See, govern, cut cost — official preview image
2 upvotes
Tracked by Kanon since Jul 28, 2026
no signal yet
status
16/100
momentum · conf 0.53
28d
tracked since 2026-08-22
7
evidence records

No signal event on file yet — status is unknown, not "quiet".

📈 Timelinewhat changed, and when
🔎 Known / Unknown 11 of 23 fields unknown
Machine-callable unknown
Open source1 inferred 1 quote(s)
Self-hostable1 inferred 1 quote(s)
Bring your own key unknown
Autonomy level2 inferred 2 quote(s)
Pricing model unknown
Integrationsmcp inferred 2 quote(s)

“Unknown” means we have not verified it — it is not a “no”. Hard filters never treat unknown as false.

🤖 Agent teardown · skill
Job to be doneTo safely deploy, monitor, and manage multiple AI agents across workflows, preventing uncontrolled execution and runaway costs.
AutonomyL2 · tool-calling(evidence: "route tool calls through the Preloop MCP Firewall…")
Who it is forDevelopers and technical teams
Prerequisitesopen source · self-hostable
Integrationsmcp
PricingFree
Traction · why it is rising1 PH vote and active open-source presence on GitHub, signaling early community interest.
Why it matters

It fills a critical gap in AI agent orchestration by offering a self-hosted, transparent layer for managing complex agent systems.

Evidence quotesverbatim, from the product’s own materials

“public GitHub repository (README fetched)”— structural
“self-hostable platform”— readme
“route tool calls through the Preloop MCP Firewall”— readme
“Build automations with templates like the Pull Request Reviewer”— readme
“MCP firewall for tool access”— readme
“any MCP-compatible agent or managed runtime”— readme
Signal source: Show HN
Visit official site →
📛 Official badgefor your site / README
Preloop: Open-source control plane for AI agents. See, govern, cut cost badge
Building Preloop? Pick a style above — the embed code updates live. Deep color control via URL params: bg= / fg= / accent= (hex). It links back to this page.
Share on X
On mobile tap Share for WeChat / RED (Xiaohongshu) / X; on desktop use Copy text and paste into the app.

FAQ

What is Preloop?

Preloop is an open-source control plane that gives teams visibility, governance, and cost control over AI agent workflows.

What does Preloop do?

To safely deploy, monitor, and manage multiple AI agents across workflows, preventing uncontrolled execution and runaway costs.

Why does Preloop matter?

It fills a critical gap in AI agent orchestration by offering a self-hosted, transparent layer for managing complex agent systems.

How much does Preloop cost?

Free

Is Preloop free?

Yes — Preloop has a free tier. Pricing as stated on its own page: Free

Is Preloop open source?

Yes — Preloop is open source.

Can I self-host Preloop?

Yes — Preloop can be self-hosted.

What does Preloop integrate with?

mcp

How popular is Preloop?

As tracked by KanonAgent: 2 upvotes (first indexed 2026-07-28).

What are the best Preloop alternatives?

Similar AI agents tracked by KanonAgent: open-design, deer-flow, ruflo, career-ops, archify, cherry-studio.

Preloop: Open-source control plane for AI agents. See, govern, cut cost alternatives — similar AI agents

open-designdeer-flowruflocareer-opsarchifycherry-studio

Where this fits — browse the same shelf

AI Agent Skills & PluginsAI agents for agent deployment and managementAre there open-source AI agents for agent deployment and management?Can I self-host an AI agent for agent deployment and management?AI agents that work with MCP (Model Context Protocol)Self-hosted & open-source AI agents