| What it does | Hybrid search, graph indexing, and vector-symbolic memory for AI agents
| Human approval infrastructure for AI agents and automation workflows
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| Stage | Startup
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| Founded | 2026
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| Based in | US
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| Pricing model | Open source
| Freemium
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| Pricing | Open source under Apache-2.0 license. WARM Cloud is in development with usage-based pricing for sync, backup and verification; details to be published at launch.
| Developer: Free forever with 250 Actions/month, 3 Sources, 3 Watches, 7-day history. Pro: $10/month ($120/year, save 17%) with 1,000 Actions/month, unlimited Sources, 20 Watches, 30-day history, additional Actions at $8 per 1,000-pack. Team: $49.17/month ($590/year, save 17%) with 5,000 Actions/mont
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| Key features | - Hybrid search combining BM25 lexical and vector scoring
- Vertex graph vector index with 2.29-2.75x throughput vs hnswlib
- Vector-symbolic fact memory with holographic reduced representations
- AES-256-GCM encryption at rest with Argon2id key derivation
- Signed audit log with Ed25519 and W3C DID identity
- Secure purge that overwrites deleted data with zeros
- Crash-safe append-only log with checksumming
- Native Rust API with Python HTTP client and Node.js bindings
- MCP server integration for editors and AI agents
- WARM Cloud sync, backup and verification without server access to keys or documents
| - Typed decisions (Boolean, choice, text, number, rating, structured forms)
- Heartbeat Watches for silent-work detection
- Action Controls for safe follow-up operations
- Multi-surface inboxes (web, mobile, Slack, CLI, MCP)
- Model Context Protocol (MCP) integration
- Signed receipts and durable decision history
- Mobile app for iOS (15+) with push alerts
- Slack approval integration (Beta)
- CLI with bounded long-poll waiting
- Integration guides for GitHub Actions, n8n, LangGraph, OpenAI Agents SDK
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| What makes it different | - Runs entirely locally in your process with no network calls or telemetry
- Encryption at rest built into the open-source engine itself, not an enterprise add-on
- Significantly faster vector search than hnswlib with graph-indexed vertex retrieval
- Signed provenance and verified audit trail using C2PA, COSE and SCITT standards
- Embedded library model eliminates dependency on external services or vendor lock-in
| - Durable decision records that survive client disconnections and restarts
- Reduces median approval time significantly in production environments
- Unified API across multiple approval surfaces without building custom dashboards
- Source-scoped identity for independent credential rotation across runners
- Built-in monitoring for stalled background work with heartbeat watches
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 26 ● no change since last check | 5 ● no change since last check |
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| Trust Flow (Majestic) | 12 | 7 |
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| Citation Flow (Majestic) | 24 | 24 |
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| Referring domains (Majestic) | 56 | 42 |
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warm-rust
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