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.
npx agentmods add instructions/tfcace/hash/claude-mdgit clone --depth 1 https://github.com/tfcace/hashWhat 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 | $0.01137 | $0.01137 |
| Opus 5 | $0.00568 | $0.00568 |
| Sonnet 5 | $0.00227 | $0.00227 |
| Haiku 4.5 | $0.00114 | $0.00114 |
Grade B, and why
hash CLAUDE.md scanned grade B with 1 finding 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 2d 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.
Asks for rootmediumPrivilege escalation
A mod that escalates privileges can change anything on the machine, not only the project.
│ ├── history/ # SQLite history, sudo tracking How it starts
The opening of the file, as written. The whole thing — 104 lines — stays where its author put it; the contents beside it link to each section on GitHub.
CLAUDE.md
This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
Project Overview
Hash (Harness Assisted SHell) is an AI-powered shell written in Go with ACP (Agent Client Protocol) integration. It provides a Warp-like intelligent experience while being agent-agnostic, local-first, and protocol-based.
Build Commands
go build -o hash ./cmd/hash # Build binary
go test ./... # Run all tests
go test ./internal/parser/... # Run tests for a specific package
go test -run TestName ./... # Run a single test
go vet ./... # Lint
# Fuzz testing (parser and learning system)
go test -fuzz=FuzzParse -fuzztime=30s ./internal/parser/...
go test -fuzz=FuzzNormalizeError -fuzztime=30s ./internal/learning/...
Architecture
hash/
├── cmd/hash/ # Main entry point
├── internal/
│ ├── agent/ # ACP client, StdioTransport, HTTPTransport
│ ├── clipboard/ # Copy command/output buffer
│ ├── completion/ # Three-tier completion router
│ ├── config/ # TOML configuration parsing
│ ├── context/ # Context picker TUI
│ ├── executor/ # POSIX interpreter (mvdan/sh), PTY-on-demand
│ ├── history/ # SQLite history, sudo tracking
│ ├── learning/ # Error pattern learning, fix suggestions
│ ├── parser/ # ?? detection and command parsing
│ ├── progress/ # OSC 9;4 progress bar support
│ ├── prompt/ # Starship + built-in prompt engines
│ ├── readline/ # Input, Emacs/Vim/Helix keybindings
│ └── shell/ # REPL, builtins, agent integration
└── go.mod
Agent Invocation
Use ?? to invoke the agent:
?? find large files- Full agent requestcmd | ?? filter output- Pipe command output to agentcmd --flag=?? description- Inline completion
Key Design Decisions
Agent invocation: ?? prefix (not #). Supports ?? <prompt> at line start, cmd | ?? <prompt> for pipe completion, and cmd ?? <prompt> for inline completion.
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.
- 2d ago First seen · 104 lines · 1,137 tokens per session scan B 28e41d41308a
hash CLAUDE.md is an instructions file published in the GitHub repository tfcace/hash (27 stars, last pushed 3d ago), licensed MIT. It adds 1,137 tokens to every session, about $0.0057 per session on Opus 5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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