TanStack
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router
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cognitive-substrate-os
Cognitive Substrate is a lightweight, local, filesystem-first agentic task runner that uses Google Gemini to decompose goals into tasks, execute them in a sandboxed environment, verify results, and persist all state as human-editable markdown files.
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28
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License
MIT
Last updated
2026-07-17
AI repository intelligence
FR-AI / ANALYSISWhy it is worth attention
It stands out for its radical transparency—every piece of state is a plain file you can read and edit—combined with a practical eval harness, self-improvement loop, governance, and multi-worker coordination, making agentic workflows auditable and trustable.
Who it is for
- Developers building agentic systems
- Researchers exploring transparent AI agents
- DevOps engineers needing auditable task automation
- Hobbyists experimenting with local, filesystem-first agent workflows
Use cases
- Automating complex multi-step tasks with deterministic verification
- Running long-horizon agent capability evaluations and regression tests
- Creating auditable, version-controlled agent runs for compliance
- Coordinating multiple agents across machines with task claiming
Strengths
- Filesystem-first state: all state is readable/writable markdown, no opaque databases
- Sandboxed execution: opt-in container isolation and WASM sandbox for JS snippets
- Comprehensive eval harness with pass@1, time-to-pass, and cost-to-pass metrics
- Governance with approval gate, per-task budgets, and append-only audit log
Considerations
- Native shell sandbox is not a security boundary; container isolation is opt-in
- OpenAI adapter is implemented but not yet verified against the real OpenAI API
- Roadmap features like desktop automation and full UX doctrine are not yet built
README quick start
Getting Started
Description
A lightweight, local, filesystem-first agentic task runner built in TypeScript and powered by Google Gemini
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