Perseus Computing vs Midmap
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Perseus Computing compared with Midmap
| Detail | 
Perseus Computing | 
Midmap |
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| What it does | High-assurance infrastructure for AI agents
| An information board for working with your agent
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| Stage | Not given
| Not given
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| Founded | Not given
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| Based in | US
| Not given
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| Pricing model | Open source
| Paid
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| Pricing | Not given
| Not given
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| Key features | - Harpe: chooses what an AI agent reads under a token budget with consistent results
- Kibisis: keeps agent memory on your hardware with AES-256-GCM encryption
- Argus: append-only record that detects edits with cryptographic verification
- No network code by default for local and disconnected use
- MIT License with published code, benchmarks and raw results
| - MCP connections to compatible AI agents
- Real-time review and accept/reject agent edits
- Automatic layout modes and infinite canvas navigation
- Local data storage on device
- Markdown support in descriptions
- Change tracking and recovery
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| What makes it different | - Measured empirical validation across 6,111 questions outperforming full-context models
- Zero plaintext on disk with encrypted vaults matching plaintext accuracy
- 78.3% fewer tokens sent to the model with a 1,200-token budget per turn
- Preserves conversational chronology and relational qualifiers under token budgets
| - No built-in AI needed - connect your own agents via MCP with no additional cost
- Local-first design - all board data stays on your device
- Shared context beyond conversation - the board becomes the reference point for ongoing collaboration
- Full control over agent changes with real-time review
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 42 ▲ +1 (up) since last check | 2 ▲ +2 (up) since last check |
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| Trust Flow (Majestic) | 3 | 0 |
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| Citation Flow (Majestic) | 24 | 11 |
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| Referring domains (Majestic) | 62 | 1 |
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4 details filled in for both companies.
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