Retrieve command fails with missing X-Agent-Message header in response

[asabya]

 ~/go/src/github.com/storacha/guppy │ on main !3 ?2  storacha whoami                                                                                    ✔ │ at 03:10:45 PM 
did:key:z6Mkw61V3V6dX9UAPVXB1kNuZjfNedcrGbbSvcv4tG7nMXUV

 ~/go/src/github.com/storacha/guppy │ on main !3 ?2  storacha plan get                                                                                  ✔ │ at 03:10:52 PM 
? How do you want to authorize your account? Via Email
? 📧 Please enter an email address to setup an account xxx@gmail.com
🐔 Agent was authorized by did:mailto:gmail.com:xxx
🐔 did:web:starter.storacha.network

 ~/go/src/github.com/storacha/guppy │ on main !3 ?2  storacha plan get                                                                       ✔ │ took 35s │ at 03:11:48 PM 
🐔 did:web:starter.storacha.network

 ~/go/src/github.com/storacha/guppy │ on main !3 ?2  storacha space ls                                                                                  ✔ │ at 03:11:57 PM 
  did:key:z6MkhbcNYN5JdJg97rFF26ygnDN4sgDz8yd9vSKYVshT35TU 
  did:key:z6MkjKAH2AACwZre6bWiuf4jiEz8UCjm7B1ZUQ9PehcTuRHp lfg
  did:key:z6Mkrix4J4DmqdaQZ7UeCoKZXjQyXXnqSFeSCNxPt7xseZJH 
  did:key:z6Mkg3SPiFqzaWvWZTkfuVfYiS6eCzSQdj8M2D2rw6BTSS1E lfg2
  
 ~/go/src/github.com/storacha/guppy │ on main !3 ?2  storacha space use did:key:z6MkjKAH2AACwZre6bWiuf4jiEz8UCjm7B1ZUQ9PehcTuRHp                        ✔ │ at 03:12:13 PM 
did:key:z6MkjKAH2AACwZre6bWiuf4jiEz8UCjm7B1ZUQ9PehcTuRHp

 ~/go/src/github.com/storacha/guppy │ on main !3 ?2  storacha space ls                                                                                  ✔ │ at 03:12:35 PM 
  did:key:z6MkhbcNYN5JdJg97rFF26ygnDN4sgDz8yd9vSKYVshT35TU 
* did:key:z6MkjKAH2AACwZre6bWiuf4jiEz8UCjm7B1ZUQ9PehcTuRHp lfg
  did:key:z6Mkrix4J4DmqdaQZ7UeCoKZXjQyXXnqSFeSCNxPt7xseZJH 
  did:key:z6Mkg3SPiFqzaWvWZTkfuVfYiS6eCzSQdj8M2D2rw6BTSS1E lfg2
  
 ~/go/src/github.com/storacha/guppy │ on main !3 ?2  storacha up README.md                                                                              ✔ │ at 03:12:38 PM 
  1 file 5.8KB
🐔 Stored 1 file
🐔 https://storacha.link/ipfs/bafybeif7spz6h6gge2yrgpnguvjc5h6fsivtrsvcxwheovf5225pkanebm

~/go/src/github.com/storacha/guppy │ on main !3 ?2  export STORACHA_SERVICE_URL=https://up.storacha.network                                  ✔ │ took 5s │ at 03:12:52 PM 
export STORACHA_SERVICE_DID=did:web:up.storacha.network
export STORACHA_INDEXING_SERVICE_URL=https://indexer.storacha.network
export STORACHA_INDEXING_SERVICE_DID=did:web:indexer.storacha.network
export STORACHA_RECEIPTS_URL=https://up.storacha.network/receipt

 ~/go/src/github.com/storacha/guppy │ on main !3 ?2  go run main.go login xxx@gmail.com
⠼ 🔗 please click the link sent to xxx@gmail.com to authorize this agent
Successfully logged in as xxx@gmail.com!

~/go/src/github.com/storacha/guppy │ on main !3 ?2  go run main.go retrieve did:key:z6MkjKAH2AACwZre6bWiuf4jiEz8UCjm7B1ZUQ9PehcTuRHp bafybeif7spz6h6gge2yrgpnguvjc5h6fsivtrsvcxwheovf5225pkanebm .
2026-01-20T15:15:56.665+0530	FATAL	main	guppy/main.go:29	opening path in retrieved filesystem: failed to get root node: retrieving block bafybeif7spz6h6gge2yrgpnguvjc5h6fsivtrsvcxwheovf5225pkanebm: executing `space/content/retrieve` invocation: decoding message: missing X-Agent-Message header in response
exit status 1

~/go/src/github.com/storacha/guppy │ on main !3 ?2  go run main.go retrieve did:key:z6MkjKAH2AACwZre6bWiuf4jiEz8UCjm7B1ZUQ9PehcTuRHp bafybeif7spz6h6gge2yrgpnguvjc5h6fsivtrsvcxwheovf5225pkanebm/README.md .
2026-01-20T15:17:07.144+0530	FATAL	main	guppy/main.go:29	opening path in retrieved filesystem: open README.md: file does not exist
exit status 1

Here is the chain of commands that I am running to eventually get an error in retrieve command.

Just wanted to know if guppy is usable with hot storage and how to resolve this header issue.

[alanshaw]

Just wanted to know if guppy is usable with hot storage and how to resolve this header issue.

As you have found out, no, not currently. It needs storacha/go-ucanto#83 at minimum.