Higgs
Summary
Higgs at higgs-7 lists no company, category fit, or visible differentiator in productivity tools.
No description, features, or pricing details are recorded for this entry. It is marked closed-source with an unknown price tier and no stated use cases or benchmarks. Without any concrete information on what the tool does or how it operates, there is no basis for assessing its fit in any workflow. Direct inspection of the higgs-7 site would be required to determine even basic functionality.
Bottom line: Worth a look only if the site itself supplies missing details; otherwise skip.
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Curated lists that include this category
Feeding private email to a cloud inference API is a data-exposure decision masquerading as a feature. higgs takes the opposite position: it connects to Proton Mail Bridge running on 127.0.0.1, routes every message through a local model you control — Gemma 4 via Ollama by default, or any OpenAI-compatible server such as llama.cpp via the PM_LLM_BACKEND=openai flag — and provides classify, search, archive, and Q&A operations as typed CLI commands. The vendor states there is no code path that sends mail anywhere outside the local machine. Output is always NDJSON with a guaranteed {“type”:”summary”} terminator, so commands compose: higgs search INBOX –before 2025-07-01 | higgs archive INBOX –uid – is a complete, scriptable pipeline.
The differentiating design choice is the schema subcommand. Rather than forcing an agent to parse –help prose and hope flag names stay stable across versions, higgs schema returns a JSON manifest covering every subcommand, its flags, its stdout format, and a typed exit-code enum. The docs describe this as the schema being the prompt — an agent loads it once and drives the tool with precision, branching on .error.k values rather than English error strings like “auth error” vs. “login incorrect.” That is the difference between an agent that works reliably and one that breaks on Tuesday.
The tool fits one profile tightly: a privacy-focused Proton Mail user who is already running a local model and wants to wire email operations into an agent pipeline without touching a cloud API. Bridge credentials are stored in the OS keyring — macOS Keychain, Windows Credential Manager, or libsecret — with an AES-256-GCM encrypted-file fallback, so nothing sensitive reaches the model context. Releases are cosign-signed with an SBOM, which means you can audit exactly what you are running. The constraint is equally tight: if your inbox is not on Proton Mail, or your agent workflow needs to span providers, higgs is not the tool — and there are no integrations listed that bridge that gap.