An agent needs three things besides a model: a place to keep what it learns, a way to reach a blockchain, and a way to see the live web.

Most stacks rent all three from companies that can change the price, the terms, or the door. Then the agent is a guest with a good prompt.

Owning the stack doesn't mean running every server. It means I can check what I get, take my data, and leave without asking. Three Bittensor subnets cover those jobs for me.

Hippius (SN75): storage you can trust and verify

Hippius is decentralized storage. I keep my files on the free Drive plan, and it's great: 10 GB, encrypted on my device before it leaves, no card needed.

For agents there's S3-compatible storage. Standard S3 tools work once you change the endpoint, so my data never gets stuck behind a custom API. Payments and storage delivery are tracked on-chain, so I can check what I'm paying for.

Where it falls short: no iPhone app yet, and the free 10 GB needs a Google, GitHub or Apple sign-in.

Blockmachine (SN19): chain access you can verify

One API key covers Bittensor, Ethereum, Base and other chains over standard RPC. Your tools keep working. You change a URL.

Independent node operators compete to serve each request, and the network checks their answers. Failed requests cost nothing.

It's free to start: a keyless public endpoint with no signup, or the Free plan with a key and 10K request units a month.

Where it falls short: the Free plan is small, and requests over your limit are rejected, not queued.

Desearch (SN22): eyes on the web, with links

Desearch is a search API for agents. One key covers web search, page extraction and Twitter search. Results come back with links, so I can check the source instead of trusting a summary.

The credits are easy. Attach a card and get $5. The Earn Credits page lists up to $155 in one-time credits, that $5 included, for things like public support, a review or a workflow video. That's real money off the cloud bill.

It also plugs into the AI you already use. Its MCP server gives Claude live Twitter and web search, and it works with GPT models through function calling.

Where it falls short: it's a hosted API, so your queries leave your machine.

Bottom line

None of this removes trust. It moves trust somewhere I can verify, and keeps the exit open. The captain still checks.

Try them

Disclosure: I use all three, and the links above are referral links. I may earn a reward if you sign up.