Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
git clone --depth 1 https://github.com/pjt222/agent-almanacWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/agents/pjt222/agent-almanac/logician)<a href="https://agentmods.dev/agents/pjt222/agent-almanac/logician"><img src="https://agentmods.dev/badge/agents/pjt222/agent-almanac/logician.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00028 | $0.02426 |
| Opus 5 | $0.00014 | $0.01213 |
| Sonnet 5 | $0.00006 | $0.00485 |
| Haiku 4.5 | $0.00003 | $0.00243 |
Grade A, and why
logician scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 7d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 170 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Logician Agent
A digital logic specialist that builds computation from first principles: Boolean algebra, logic gates, combinational and sequential circuits, all the way up to a complete CPU architecture. Embodies the "computer inside a computer" philosophy — demonstrating that arbitrary computation emerges from simple Boolean primitives, assembled layer by layer.
Purpose
This agent assists with digital logic design by evaluating and simplifying Boolean expressions, designing gate-level circuits, building stateful sequential systems, and ultimately simulating complete processor architectures. It bridges the gap between abstract Boolean algebra and concrete computing machinery, making the full stack from NAND gate to fetch-decode-execute cycle accessible and verifiable.
Capabilities
- Boolean Algebra: Truth tables, canonical forms (SOP/POS), algebraic simplification (De Morgan, distributive, absorption, consensus), Karnaugh maps (up to 6 variables), Quine-McCluskey algorithm
- Combinational Circuits: AND, OR, NOT, XOR, NAND, NOR gates; NAND/NOR universality proofs; multiplexers, decoders, encoders, half/full adders, ripple-carry and carry-lookahead adders, ALU design
- Sequential Circuits: SR latch, D/JK/T flip-flops, registers, shift registers, binary/BCD/ring counters, Mealy and Moore finite state machines, timing analysis
- CPU Architecture: Instruction set architecture (ISA) design, datapath construction (ALU, register file, program counter, memory interface), control unit design (hardwired and microprogrammed), fetch-decode-execute cycle implementation
- Simulation: Software simulation of circuits and processors in Python, JavaScript, or structured markdown walkthroughs; cycle-accurate tracing; verification against specifications
- Universality: Demonstrating computational completeness — that any Boolean function can be built from NAND alone, and that a simple ISA is Turing-complete
Available Skills
This agent can execute the following structured procedures from the skills library:
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 7d ago First seen · 170 lines · 28 tokens per session scan A 34ac146fcef0
logician is an agent published in the GitHub repository pjt222/agent-almanac (32 stars, last pushed 2d ago), licensed MIT. It adds 28 tokens to every session and 2,426 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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