Show HN: Managed Agents API for open source agents

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Brainbase — The AI agent cloud<br>Brainbase is now GA. Read the announcementThe AI agent cloud<br>Brainbase lets teams get to extremely powerful agents extremely fast across any model or harness by handling agent hosting, scaling, evaluations and more.<br>Start with $25 in free creditsContact sales

Powering 10,000+ agents in production for<br>Government

Powering 10,000+ agents in production for<br>Government

Use cases<br>Internal AI employees<br>Stand up agents that take on real work across support, ops, and sales — full-time teammates that never sleep.

Agentic products and features<br>Embed agentic capabilities directly inside your own product, on any model or harness you choose.

High-frequency AI workflows<br>Run high-volume, repeatable agent workflows at scale, with evaluations and observability built in.

# brainbase.agent.yaml<br>name: pm-agent<br>model: any<br>harness: claude-code

Your first agent<br>Define and deploy an agent in a few lines of YAML.<br>Start building<br>Skills<br>pdf-extract<br>rubric-scorer

MCP · linear

Adding tools and skills<br>Give your agent MCP tools and reusable skills.<br>Add a skill<br>#product<br>pm-agent deployed to #product ✓

Deploying to Slack<br>Put your agent in front of your team in Slack.<br>Deploy it

version:<br>- "1.0.0"<br>+ "1.1.0"

Versioning your agent<br>Track every change and roll back like code.<br>See versioning<br>Agents<br>researcher→writer

Orchestrating agents<br>Coordinate teams of agents toward a goal.<br>Orchestrate<br>fit-accuracy0.94

Evals and testing<br>Score every change before it ships.<br>Run an eval

Building your first agent<br>Define an agent in a few lines of YAML — model, harness, tools, and instructions — then push it to the cloud.<br>Your first agentAdding tools and skillsBootstrapping the sandboxOrchestrating multiple agentsAdding an external trigger<br>brainbase.agent.yaml×

+schema: 1<br>+harness: claude-code<br>+agent:<br>+ name: PM Agent<br>+ tagline: A product manager for Acme Inc.<br>+instructions:<br>+ text: "You are a PM agent for Acme Inc."

What Brainbase handles for you

# brainbase.agent.yaml<br>schema: 1<br>harness: claude-code<br>agent:<br>name: pm-agent

skills:<br>- source: registry:brainbase/triage

mcp:<br>- name: linear

Standardize<br>One API for every agent<br>A single Managed Agents API for any model or harness — with a registry for your agents, skills and tools, and managed auth.<br>Any model or harness<br>A single registry for agents, skills & tools<br>Managed auth out of the box<br>Read the API docs

Managed Agents API<br>POST/v2/agents<br>POST/v2/orchestrations<br>POST/v2/tasks<br>GET/v2/tasks/{id}/events

One shape · any model or harness

One standardized API<br>The same request and response shape across every model and harness — create, run, and stream.

Registry<br>brainbase/triage@2.1.0<br>brainbase/pdf-extract@1.4.0<br>acme/rubric-scorer@0.3.2

Versioned registry<br>Publish and pull agents, skills, and tools by version — like packages.

Connections<br>LinearConnected<br>GitHubConnected<br>SlackConnecting

Managed auth<br>OAuth and secrets handled for you across every tool and provider.

Deploy<br>$ brainbase agent push<br>Building pm-agent…<br>✓ Deployed · pm-agent

Ship in one command<br>Push an agent to the cloud with a single CLI command.

Orchestrate<br>Teams of agents, working together<br>Compose multi-agent systems that pursue complex goals, deployable anywhere your users already are.<br>Multi-agent orchestration<br>Hand-offs between agents<br>Shared tools, memory & state<br>Explore orchestration

Connect to external triggers<br>Kick agents off from any event — webhooks, schedules, or 1000+ app triggers like Linear, Slack, and GitHub.

Hand off between agents<br>Agents route each step to whichever teammate is best suited to handle it.

Share tools, memory & state<br>Every agent draws on the same registry of tools, skills, and shared memory.

TICK-10242.1s<br>Linear

researcher

writer

testing

Linear

0s1s2s

Full audit trails<br>Trace one ticket end-to-end — every agent, tool call, and decision, logged and replayable.

API<br>Chat<br>Slack<br>Zoom<br>iMessage<br>Teams

Surfaces<br>Deploy anywhere your users are<br>Ship the same agent to any surface natively — expose it as an API or drop it into the tools your team already lives in, with no glue code.<br>API-native by default<br>One agent, every channel<br>No frontend work required<br>See all surfaces

POST /v1/agents/run<br>200 OK · 142ms

API<br>REST & SDK, native by default

How do I reset billing?<br>Here's the link to do that →

Chat<br>Embeddable web chat widget

#product<br>pm-agent9:41<br>Deploy complete ✓ v1.1.0 is live.

Slack<br>Mention or DM your agent

Agent<br>JD<br>You

Zoom<br>Joins calls as a participant

Can you summarize today's tickets?<br>On it — 12 resolved, 3 escalated.

iMessage<br>Blue-bubble texts, native

Engineering<br>pm-agent replied

Teams<br>Native Microsoft Teams app

How do I reset billing?<br>Here's the link to do that →

WhatsApp<br>Message it from anywhere

Re: Support ticket #1024<br>Thanks for reaching out — here's how to…

Email<br>Threaded reply-to inboxes

00:42

Voice<br>Inbound & outbound calls

1 → 1M+

Scale<br>1 to 1M+ sandboxes in milliseconds<br>Spin up isolated sandboxes on demand and scale elastically — on your cloud or...

agent agents brainbase tools harness model

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