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powerglide: Instructions file for Claude Code

CLAUDE.md

powerglide CLAUDE.md is an instructions file for Claude Code from bkataru/powerglide. It costs 1,661 tokens per session, scanned A, original, MIT.

Repository instructions for Powerglide, including its Zig build, testing, coding, documentation, and release conventions.

In plain words
What is it for?
Use them when changing Zig code, running builds or leak checks, checking the executable's health, updating the website, or working on the MCP server.
Why use it?
They give contributors the commands and project rules needed to build the software consistently and check for problems.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions Claude Code.

This is bkataru/powerglide's own configuration. It tells Claude Code how to work on powerglide itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything powerglide configures →

Needs its repository: it reads a path above its own folder, which exists only inside the repository. The line is cp -r zig-out/docs/. ../docs/.

not rated 6repo 7mo ago A scan 1,661 tokens original MIT
View source ↗ bkataru/powerglide bkataru.github.io
Reuse

Borrowing it

Nothing to install: this file belongs to bkataru/powerglide. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/bkataru/powerglide/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/bkataru/powerglide

Made for: Claude Code.

Wrote this? Show the measurements

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README.md
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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

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Per session 1,661 This file is loaded in full into every session.
When invoked 1,661 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.01661 $0.01661
Opus 5.5 $0.00664 $0.00664
Sonnet 5.5 $0.00332 $0.00332
Haiku 4.5 $0.00166 $0.00166

Measured 1mo ago against content hash 2dc3cb602a92, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

powerglide CLAUDE.md 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 1mo 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.

CLAUDE.md · 98 lines

How it starts

The opening of the file, as written. The whole thing — 98 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Claude Code Guide — powerglide Repository

Build & Test Commands

# Full build
zig build

# Run all tests (including leak checks)
zig build test --summary all

# Health check
./zig-out/bin/powerglide doctor

Repository Guidelines

  • Style: Follow idiomatic Zig 0.15.2 patterns. Use std.fs.File.stdout().deprecatedWriter() for I/O.
  • Memory: Explicit allocation is required for all data structures. Use unmanaged ArrayList and HashMap where appropriate, passing the allocator to each method.
  • Ralph Loop: Respect the 11-state model in src/agent/loop.zig.
  • Velocity: Always use the multiplier-based velocity model (delay = 1000 / velocity). CLI flags and config values are f64.

Project-Specific Context

  • Supercar Theme: Use technical, high-performance terminology in prose. Avoid generic marketing fluff.
  • Commit Format: feat/fix/docs(module): description. Author: bkataru <[email protected]>.

Zine Website

The documentation website is in website/ and built with Zine. To rebuild and deploy:

cd website && zig build
cp -r zig-out/docs/. ../docs/

MCP Module

  • src/mcp/server.zig — JSON-RPC 2.0 over stdin/stdout; start with powerglide mcp
  • src/mcp/client.zig — subprocess MCP client; connects to external MCP servers
  • src/mcp/tool_bridge.zig — converts McpTool → Tool, prefixed mcp_{server}_{tool}
  • Config key: mcp_servers array in ~/.config/powerglide/config.json

igllama / Local LLM

Full Qwen3.5 lineup (download with igllama pull unsloth/Qwen3.5-<N>B-GGUF -f <file>):

  • :8090 → Qwen3.5-0.8B-Q8_0.gguf (local agent)
  • :8091 → Qwen3.5-2B-Q8_0.gguf (local2b agent)
  • :8092 → Qwen3.5-4B-Q8_0.gguf (local4b agent)
  • :8093 → Qwen3.5-9B-UD-Q4_K_XL.gguf (local9b agent)

Start with: igllama api <model> --port <N> --no-think --max-tokens 512 --threads 4 --threads-batch 16 --ctx-size 2048 --mlock

  • OpenAIClient.json_mode = true → forces response_format: {"type":"json_object"} for constrained output
  • Doctor scans :8090–8099 automatically
  • Trial harness: zig build trial — runs T01–T17 × all 4 endpoints
  • Quant harness: zig build trial-quant — runs T01–T17 × 16 models: 0.8B-BF16 | 2B (Q4/Q5/Q6/Q8/BF16) | 4B (Q4/Q5/Q6/Q8/BF16) | 9B (Q4/Q5/Q6/Q8/BF16), sequential on :8090
  • Bench harness: zig build bench — tokens/sec throughput benchmark, accurate via igllama v0.3.11 usage.completion_tokens
  • Ctx harness: zig build ctx — context length sensitivity (2B-Q6 × ctx-size 512/1024/2048/4096 × T01-T17)
  • Model filter: ./zig-out/bin/trial-quant 4B-Q4 9B-Q5 — run only specific models

Read the full file on GitHub · 98 lines

Changes

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.

  1. 1mo ago First seen · 98 lines · 1,661 tokens per session scan A 2dc3cb602a92

Subscribe to this mod's changes

powerglide CLAUDE.md is an instructions file published in the GitHub repository bkataru/powerglide (6 stars, last pushed 7mo ago), licensed MIT. It adds 1,661 tokens to every session, about $0.0066 per session on Opus 5.5. 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 2026-08-31.

Claude Codeaiai-agentsbinaryclaude-skillscli
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