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The AI harness cloud
you program in plain text

Program agents and AI workflows in plain text -
get a versioned, hosted API in minutes.
Every model, 1000+ connectors, our own GPUs. One key. One bill.

Start building free → See it run live
Free tier. Hard cost caps - a run can never outspend you.
claudeflymyai build me a backend▋
one line of MCP claude mcp add --transport http flymyai https://mcp-agents.flymy.ai/mcp
trusted by
10,000+
agent builders
200,000+
agents running
#1 in diffusion inference worldwide - Artificial Analysis built by ex-NVIDIA / Google / Stability engineers receipts open source: higfly · whisperfly · replifly →
one MCP in - all of this behind it

All of it. One MCP.

500+ models · 1000+ connectors · 54 gateway tools · 17k+ skills - discovered live by your agent via tools/list
one connector in - here's what changes
One memory - one context
Across Claude, ChatGPT and Gemini - agents, files and history follow you and your team. Nothing resets. Agents learn run after run. No lock-in.
>continue this chat in chatgpt
Local → cloud
Prototype in Claude, ship to the cloud - close the lid, it keeps running long after your chat ends. Production, not demo.
>take this chat to the cloud, keep it running
One prompt - a whole fleet
Ten or a million serverless sub-agents - each its own cloud runtime, billed by the second. Scales on our own GPUs.
>run this across all 3,000 rows in parallel
Cloud browsers
Thousands of real browser sessions in the cloud - click, fill, scrape, buy on any site, in parallel. No local Chrome, no captchas.
>send 200 agents to check every page
Runs on a schedule
Every morning, every hour, every Monday. Works nights, reports back before you wake.
>email my users their digest at 8
ALL
Every connector, wired
All connectors already wired - and every AI model. One key.
>post the report to slack and notion
Chat → agent → API
Describe the job in plain words. Freeze what works - the cloud compiles it into a live API. A production agent in minutes.
>freeze this as an api
Human in the loop
On money, sends, deletes - it stops and asks first. Approve in one tap, it goes on. Every run recorded.
>always ask before refunds over $500
Built for teams
Share an agent by link. Roles and permissions - run-only for sales, edit for engineers - one dashboard of every run.
>give the team run-only access
Platform map

Everything your agent needs -
in one cloud.

Connect one MCP, use it forever - for every use-case. FlyMy routes each call to the right model, GPU, storage, memory, skill and connector behind it.

Claude FlyMy MCP ONE ENDPOINT FLYMY BACKEND FLYMY ORCHESTRATOR / MANAGER ROUTE → BEST MODEL QUEUE · RETRY · AUTOSCALE STREAM RESULTS BACK MCP CONNECTORS 1000+ Connectors MODELS 500+ · LLM/Video/Image/3D/World GPU H200 · H100 · RTX6000 & more SKILLS 17k+ Skills · connectable STORAGE SYSTEM MEMORY high-level context DASHBOARDS Payments · Usage DEPLOYMENT
swipe the map ←→
YOUR AGENT
Claude · ChatGPT · Cursor · Codex · any MCP client
FlyMy MCP
ONE ENDPOINT
FLYMY ORCHESTRATOR / MANAGER
ROUTE → BEST MODEL
QUEUE · RETRY · AUTOSCALE
STREAM RESULTS BACK
FLYMY BACKEND
MCP CONNECTORS
1000+ Connectors
MODELS
500+ · LLM/Video/Image/3D/World
GPU
H200 · H100 · RTX6000 & more
SKILLS
17k+ Skills · connectable
STORAGE
files · artifacts
SYSTEM MEMORY
high-level context
DASHBOARDS
Payments · Usage
DEPLOYMENT
frozen APIs · agents
LIVEAgents & workflowsdescribe → frozen endpoint · schedules, triggers, fleets, human gates, memory
LIVEModels & inferenceevery major LLM, image, video, audio model · up to 25% off Google-family list
LIVETools & browsers1000+ connectors, managed OAuth · cloud browser fleets
NEXTComputerent a cluster · fine-tune and train · serve any model you bring
NEXTHostingyour product's front + back end, deployed next to its AI
LIVE is billed today. NEXT lands on the same key, the same per-second bill.

// that is the map - here is one layer as code, live, not mocked

FlyRouter™ - the harness router

Every lane. One router.

OpenRouter routes models. FlyRouter™ routes the whole harness: models, GPUs, storage, memory, skills and connectors - every one a typed MCP tool, picked per call.

Product in action

One sentence in.
One endpoint out.

The same sentence works from every surface you already use. Frozen means frozen: a model update can never drift it - v1 keeps serving until you cut v2.

// a demo proves it once - so we rebuilt three funded products and published the bills

Receipts

Three funded products. Rebuilt.
Bills published.

$1.3B · VIDEO STUDIO

higfly

A working Higgsfield: type a shot, pick a camera move, get a cinematic clip.

-their plans $5-99/mo, credits expire+our bill ~$0.20-0.50 per clip
github.com/FlyMyAI/higfly →
$700M · DICTATION

WhisperFly

A working Wispr Flow: hold a hotkey, talk - the note lands in Notion, cleaned and tagged.

-their price $12-15/mo+our bill $0.031 per note
github.com/FlyMyAI/whisperfly →
$9B · DEPLOY BUTTON

replifly

Say "deploy my code to prod" once - compute, Postgres, error tracking, an on-call agent.

-their model subscription+ours your own accounts, no lock-in
github.com/FlyMyAI/replifly →
repos open · demos live at flymy.ai/media · playbook included

// pennies per run only matter if the meter can never run away - here is how it can't

Controls

Agents with a budget,
not a blank check.

run #4821 · video-ad-backend
├ model seedance-2.0 .............. $0.21
├ storage + stitch ................ $0.06
├ cost cap $0.50 .................. ok · 54% used
├ sandbox ......................... isolated
├ keys ............................ vault only
├ action: send 3 emails .......... ✋ asks you first
└ you tap approve ................. run continues
Hard cost capsAny run stops at the number you set. A runaway agent gets cut off before it gets expensive.
Human-in-the-loop gatesMoney, sends, deletes - the agent stops and asks first. Approve in one tap.
Encrypted key vaultKeys and OAuth tokens never ride in prompts, never hit logs. Your LLM never sees a secret.
Every run inspectableLatency, model, tools, exact cost - per call, without leaving your client.
$/sec
Pay for work, not idle time
100%
of runs sandboxed

// those guardrails explain our strangest fact: the newest FlyMyAI users are not people

For AI agents

Your coding agent already
knows how to use this.

One MCP line - and it assembles workflows, calls any model, freezes production endpoints. Inside your caps and gates. The agent writes it. This cloud runs it.

FLYMYAI_API_KEY=fly-****************
FLYMYAI_MCP=https://mcp-agents.flymy.ai/mcp
# that's the whole setup
Of 397 companies in YC's two newest batches, 116 - 29% - are building agents, models and tools.
Their AI backend could run here today. methodology →

The code is already written.
The winners will be the teams that run it.

Program your first workflow in plain text - get back a versioned endpoint.

Start free → Watch the live demos