Signetai
Local-first memory and secrets for AI agents, portable across every harness
Signet is a rare, genuinely portable memory layer for AI agents — switch harnesses without losing context, with inspectable, source-backed memory. The local-first design is a real plus, but setup demands CLI comfort. Skip it if you're happy with one tool's built-in memory and don't need cross-harness persistence.
Verified 5d ago · liveness 60/100 · cite: rightaichoice.com/tools/signetai
- AI agent developers building multi-agent systems or swarms
- Power users running multiple coding agents like Claude Code, Codex, or OpenCode and switching between them
- Privacy-conscious teams needing self-hosted, local-first agent memory
- Developers who want persistent context across model switches without cloud lock-in
- Users who prefer fully managed cloud memory services with zero setup
- Teams needing out-of-the-box memory without technical overhead
- Non-technical users uncomfortable with CLI and daemon configuration
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Skip Signet if you're happy with one tool's built-in memory, don't need cross-harness persistence, or prefer a fully managed cloud service with zero setup overhead.
Self-hosting means you handle daemon uptime and updates; expect occasional maintenance time to keep it running smoothly.
Signet is free and open-source (Apache 2.0), so the cost is your time and infrastructure. Unlike subscription memory services (e.g., MemGPT's cloud plans), you pay zero dollars but own the ops burden.
In short
Signetai — Local-first memory and secrets for AI agents, portable across every harness. Best for AI agent developers building multi-agent systems or swarms, Power users running multiple coding agents like Claude Code, Codex, or OpenCode and switching between them, Privacy-conscious teams needing self-hosted, local-first agent memory. Free to use.
What's new in Signetai
Checked 3 days agoAcross the latest 5 updates: 2 feature updates and 3 news mentions.
Self-Hosted AI Memory for Hermes Agent and OpenClaw
Signet now supports Hermes Agent and OpenClaw as portable context layers, extending memory persistence to these runtimes.
Bring Both Kinds of Memory
Signet introduces a unified memory system that handles both curated knowledge and structured data from one place.
Search Can't Find What It Doesn't Know to Look For
Discusses MemAware benchmark showing RAG-based memory limitations and advocating for graph traversal.
Retrieval Is Not Memory
Commentary on Supermemory's benchmark, emphasizing architecture over raw accuracy numbers.
The OS Moment
Argues that OpenClaw as an OS for personal AI needs persistent storage, which Signet provides.
What people actually say about Signetai — is it worth it?
We ran a structured research pass across product reviews, community discussions, and post-purchase forum threads to surface the patterns vendors won't publish themselves. Below: the recurring strengths, the hidden costs people mention most, and the cohort that consistently regrets adopting this tool.
3 mentions across 2 sources (Hacker News, GitHub) · researched Jul 3, 2026.
- +Local-first: data never leaves your machine.
- +Portable memory and identity across multiple AI agents.
- +Automatic session distillation into structured knowledge graph.
- +Encrypted secrets management keeps credentials secure.
- +Free and open-source (Apache 2.0).
- −Tiny community and minimal support available.
- −Early-stage project with only 5 open issues but unknown bugs.
- −Limited agent framework integrations (Claude Code, OpenCode, etc.)
- −Setup requires running a daemon and CLI—not beginner-friendly.
- −Documentation is sparse and lacks tutorials.
- • Self-hosting hardware and maintenance
- • Time investment in setup and integration
Viability Score
How well maintained and how widely used is Signetai? Built from what the vendor actually publishes (docs, changelog, tutorials, integrations, pricing), whether the site is live, and how much real users discuss it. How we calculate this
Last calculated: September 2026
How we score →Key Features
- Automatic session distillation into structured memory
- Knowledge graph with entity and relationship extraction
- Graph traversal for deep context retrieval
- Dreaming loop for idle session consolidation
- Supersedes stale claims with provenance
- Inspectable web dashboard with graph visualization
- Encrypted secrets management (credentials never exposed as plaintext)
- Multi-agent memory scoping: isolated, shared, group
- Context ranking with provenance and dampening
- Local-first storage on SQLite
- CLI, HTTP API, and SDK for integration
- Support for Claude Code, OpenCode, OpenClaw, Codex, Hermes Agent, Pi, Oh My Pi
- MCP support (Model Context Protocol)
- One-command install with static binary
- LongMemEval benchmark performance (97.6% accuracy)
About Signetai
Signet is a self-hosted, Apache 2.0 licensed memory and context layer for AI agents. It keeps memory and credentials outside any single harness, so you can inspect, carry, and switch between Claude Code, OpenCode, OpenClaw, Codex, Hermes Agent, Pi, or Oh My Pi without losing context. Designed for developers and power users running multiple coding agents, Signet installs as a single static binary that runs a local daemon, SQLite workspace, and web dashboard — no cloud account required. The core feature is automatic session distillation. When sessions end or go idle, the dreaming loop runs: it extracts entities, claims, and relationships into a knowledge graph, supersedes stale context with provenance, and keeps memory current without manual saves. Retrieval and ranking happen entirely on-device with no LLM at search time, and every memory links back to the source artifact that justifies it. The inspectable dashboard supports graph traversal, recall, and repair. Beyond memory, Signet manages secrets: credentials are stored encrypted and models can use them without seeing plaintext. It supports multi-agent scoping (isolated, shared, or group memory) and integrates via hooks, MCP, and runtime plugins. The latest update introduces a unified memory system that handles both curated knowledge and structured data from one place, and adds support for Hermes Agent and OpenClaw. Signet positions itself as a privacy-first alternative to cloud memory services like MemGPT or ChatGPT's memory. Early results on the MemoryBench harness average 97.6% LongMemEval answer accuracy, one of the only local-first systems with SOTA recall on a shared eval. It requires technical comfort with CLI setup and daemon management — not a zero-config tool.
Behind the Verdict
When you're juggling multiple coding agents — Claude Code for one project, Codex for another, OpenClaw for something else — memory that stays inside a single harness is a trap. Signet fixes that by keeping context and credentials outside any one tool. It's a genuine differentiator: switch harnesses, keep your memory, and your secrets stay encrypted. Pick this if you build multi-agent systems or run a swarm of tools. The dreaming loop automatically distills idle sessions into structured memory, extracting entities and claims with provenance. That's a massive time-saver for anyone tired of manually saving context. The graph-based retrieval with no LLM at search time is also fast and private — everything stays on-device. The flip side: this is not for the faint of heart. You need comfort with CLI setup, daemon management, and reading logs. There's no managed cloud offering, so you own the maintenance. If you prefer zero-config, fully managed memory, you'll want something like MemGPT or a built-in memory feature instead. Compared to those alternatives, Signet's main edge is portability and inspectability. Every memory carries a source — you can trace why the agent knows something. That's a level of transparency most cloud services don't offer, and it's valuable for debugging and trust. The 97.6% LongMemEval accuracy from MemoryBench is impressive, but remember it's under a strict rules profile — real-world results will vary. Watch out for the learning curve. The CLI wizard is simple enough — one command installs everything — but managing the daemon and understanding hooks/MCP takes time. Also, memory quality depends on your own embedding and model stack, so you'll want to configure that carefully. If you're okay with that, Signet is a powerful addition to your AI
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Real-world workflow fit
Concrete scenarios for the personas Signetai actually fits — and what changes day-one when you adopt it.
You run Claude Code and OpenClaw for different tasks and want shared context.
Outcome: Install Signet once, configure both harnesses, and memories saved in one are recallable in the other — no manual sync.
Your team needs agent memory that never leaves the corporate network.
Outcome: Self-host Signet on a local machine; all memory and embeddings stay on-device, with the dashboard for audit and repair.
You're switching from Codex to OpenCode for a project and fear losing context.
Outcome: Signet carries your memory — preferences, decisions, and entity relationships — so you pick up where you left off instantly.
Use Cases
- Run multiple AI coding agents with a unified memory that persists across sessions and model changes.
- Automatically extract and store structured knowledge from conversations without manual intervention.
- Manage credentials and secrets so agents use them without exposing plaintext in chat.
- Build multi-agent swarms with isolated or shared memory scopes for collaborative workflows.
- Self-host a portable identity and memory layer that works across Claude, OpenCode, and Codex.
- Switch between harnesses (e.g., Claude Code to OpenClaw) and keep full context without re-teaching.
- Ingest transcripts, docs, and repos as durable sources and recall with provenance.
Limitations
- Signet is a local-first, self-hosted memory and context layer for AI agents, requiring self-management of infrastructure including a daemon and SQLite workspace.
- It is installed via command-line (curl or npm) and configured primarily through CLI and MCP/hooks, making it suited to users comfortable with technical setup.
- The tool relies on your own model and embedding stack for operations like dreaming and recall, so no built-in AI model is provided.
as of 2026-08-20
Verification history
We have re-verified Signetai 6 times since . Each pass re-reads the vendor's own pages and re-checks every listed field against that evidence; passes where nothing had changed are marked as such.
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
- — re-verified summary, description, our verdict, our analysis, pricing model, pricing tiers, features, integrations, who it suits, who should skip it
Free to cite with attribution — this page re-verifies continuously.
Where the pricing makes sense
The company stage and team size where Signetai's pricing actually pencils out — and where peers do it cheaper.
Signet is free and open-source (Apache 2.0), so the cost is your time and infrastructure. Unlike subscription memory services (e.g., MemGPT's cloud plans), you pay zero dollars but own the ops burden.
Setup time & first value
How long it actually takes to get something useful out of Signetai — broken out by persona, not the marketing-page minute.
For a developer on macOS/Linux, install and setup take about 5 minutes: run the one-liner, `signet setup`, and you're ready to remember/recall. Windows via npm wrapper adds a couple minutes. Non-interactive or remote daemon setups take longer.
Switching to or from Signetai
How to bring data in from common predecessors and how to get it back out — written for the switcher, not the buyer.
- →From Claude Code's built-in memory: Signet's hooks and AGENTS.md sync can import your existing context files, then you rely on dreaming for ongoing distillation.
- →From MemGPT or cloud memory: export your memories and re-ingest as documents; recall with provenance will rebuild the knowledge graph.
- ↗To another memory system: since Signet stores memory as files (SQLite + sources), you can export the database and documents and port them manually.
Integrations
Resources & Guides
- Documentationsignetai.sh
Docs · Signetai
Full product docs from signetai.sh
- Quickstartsignetai.sh
Quickstart · Signetai
Get up and running fast from signetai.sh
- Documentationsignetai.sh
Auth · Signetai
Full product docs from signetai.sh
- API Referencesignetai.sh
Cli · Signetai
Methods, params, types from signetai.sh
Tutorials & Learning
Official links
Tools that pair well with Signetai
Common stack mates teams adopt alongside Signetai, with the specific reason each pairing earns its keep.
Featured Head-to-Head Comparisons
Signetai vs Spider Cloud
Signetai and Spider Cloud serve entirely different needs: Signetai is a local-first, free memory layer for AI agents that preserves context across model switches, while Spider Cloud is a paid, high-performance web scraping API for feeding real-time data to agents. Choose Signetai if you run multiple coding agents and want persistent, inspectable memory; choose Spider Cloud if your agents need fresh web content for RAG or retrieval.
Signetai vs Temporal Ai
Signetai is the right choice if you need persistent, portable agent memory that works across models like Claude Code and OpenCode, with full privacy due to local-first storage. Temporal AI is better for building reliable, stateful workflows that survive failures, with rich SDKs and human-in-the-loop features. Choose Signetai for memory stickiness; choose Temporal for execution durability.
Signetai vs Presto Voice
These two tools serve entirely different domains. Presto Voice is a vertical enterprise solution for QSR drive-thru automation with a proven upselling engine, while Signetai is a developer-focused open-source memory layer for AI agents. Choose based on your problem domain: restaurant operations (Presto) or AI agent context persistence (Signet).
Alternatives to Signetai
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