Yes: falkster-heidi, with a sync Heidi client and an AsyncHeidi client on httpx. Ask, search memory, write facts, forget, list tools and agents. Automatic 429 retry and errors that name the fix.
heidi.ask('What did we promise Acme?') is one line; heidi.memory_search returns hits with receipts; add_fact and forget make the brain writable from your own systems.
Errors carry human hints: 401 says check your token, 403 names the missing scope, 503 says the API is not enabled yet.