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flamingo-pcb: Instructions file for Claude Code

CLAUDE.md

flamingo-pcb CLAUDE.md is an instructions file for Claude Code from cheewee2000/flamingo-pcb. It costs 1,752 tokens per session, scanned A, original, MIT.

A project-specific instruction file for working on the flamingo-pcb repository, a printed-circuit-board design project.

In plain words
What is it for?
Running the server, following the design workflow, using the project's tool names, applying conventions, and checking component stock as part of design-rule checking.
Why use it?
It gives an agent the repository's operating instructions and conventions in one place.

Instructions file for Claude Code

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

This is cheewee2000/flamingo-pcb's own configuration. It tells Claude Code how to work on flamingo-pcb 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 flamingo-pcb configures →

not rated 10repo changed 12d ago A scan 1,752 tokens original MIT
View source ↗ cheewee2000/flamingo-pcb
Reuse

Borrowing it

Nothing to install: this file belongs to cheewee2000/flamingo-pcb. 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/cheewee2000/flamingo-pcb/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/cheewee2000/flamingo-pcb

Made for: Claude Code.

Wrote 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.

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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 1,752 This file is loaded in full into every session.
When invoked 1,752 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 $0.01752 $0.01752
Opus 5.5 $0.00701 $0.00701
Sonnet 5.5 $0.00350 $0.00350
Haiku 4.5 $0.00175 $0.00175

Measured 12d ago against content hash a78d98b108d4, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

flamingo-pcb 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 12d 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

CLAUDE.md · 127 lines

How it starts

The opening of the file, as written. The whole thing — 127 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Flamingo — notes for Claude Code

Flamingo is prompt-first PCB CAD you drive over MCP. This file is for a future Claude Code session working in this repo or using Flamingo to design a board. See README.md for the human-facing overview and docs/superpowers/specs/2026-07-16-flamingo-design.md for the full design spec.

Running the server

npm install && npm run build
node packages/server/dist/cli.js serve board.flamingo   # prints "Flamingo v0.1.0 serving …"
  • Serves the live UI at http://localhost:4242, streams board changes over /ws, and exposes the MCP endpoint at /mcp.
  • .mcp.json (repo root) wires the flamingo MCP server to /mcp — its 37 tools are available only while the server is running. Start the server first, then use the tools.
  • Port override: FLAMINGO_PORT. Autoroute timeout override: FLAMINGO_ROUTE_TIMEOUT_MS (default 300000).
  • Desktop app tabs: the Mac app opens each board in its own native tab, each with its own server + MCP endpoint (ports scanned up from 4242, kept stable per project across relaunches). On open it writes the board's MCP URL into the project folder's .mcp.json, so a Claude Code session started in that folder connects to that board automatically — separate sessions can drive separate boards concurrently.

Design workflow (tool names)

prompt → parts → place → connect → route → drc → export

  1. Choose parts. parts_search then parts_get. Always parts_get before wiring a part — it lists the real pad numbers you'll reference. datasheet_get downloads the part's datasheet PDF (global cache ~/.flamingo/datasheets/, plus a copy into the board's datasheets/ dir) — read it before stating any specs.
  2. Lay out. new_board (2/4/6 layers) → set_board_outline (rect with cornerRadius, polygon, or raw path) → place_component / move_component.
  3. Connect. connect_pins (net + REFDES.PAD refs) builds nets. create_net_class + assign_net_class set track width / clearance / via sizes per net.
  4. Board features. add_zone (copper pour), add_mounting_hole, add_silk_text, add_keepout. remove_item by id.
  5. Route. autoroute (Freerouting; passes, optional nets). unroute / get_ratsnest to iterate.
  6. Check. run_drc returns violations as data (never a tool error).
  7. Export. export_fab writes gerbers.zip + bom.csv + cpl.csv (+ board.render.svg) for JLCPCB.

Read the full file on GitHub · 127 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. 12d ago Changed · +6 lines · +95 tokens per session a78d98b108d4
  2. 1mo ago First seen · 121 lines · 1,657 tokens per session scan A 36beb5b9c236

Subscribe to this mod's changes

flamingo-pcb CLAUDE.md is an instructions file published in the GitHub repository cheewee2000/flamingo-pcb (10 stars, last pushed 4d ago), licensed MIT. It adds 1,752 tokens to every session, about $0.0070 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 CodeHardware and IoTcadedafreeroutinggerberhardware-design
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