fix-codesign-error

fix-codesign-error is a command for coding agents from fanfan-de/anybox. It costs 0 tokens per session (195 once invoked), scanned A, original, MIT.

A command for examining a macOS app or executable when signing or permissions cause a failure. Code signing proves who made the software and records what access it may request.

In plain words
What is it for?
Use it to inspect an app, classify the signing problem, and get a minimal repair or validation sequence for development or distribution.
Why use it?
It replaces guesswork with checks of the app's signer, permissions, runtime settings, sandbox, and Gatekeeper trust status.

Command

Install

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.

agentmods
npx agentmods add commands/fanfan-de/anybox/fix-codesign-error
Clone the repo
git clone --depth 1 https://github.com/fanfan-de/anybox

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.

agentmods badge for fix-codesign-error

README.md
[![agentmods](https://agentmods.dev/badge/commands/fanfan-de/anybox/fix-codesign-error.svg)](https://agentmods.dev/commands/fanfan-de/anybox/fix-codesign-error)
Your own site
<a href="https://agentmods.dev/commands/fanfan-de/anybox/fix-codesign-error"><img src="https://agentmods.dev/badge/commands/fanfan-de/anybox/fix-codesign-error.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 195 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00000 $0.00195
Opus 5 $0.00000 $0.00097
Sonnet 5 $0.00000 $0.00039
Haiku 4.5 $0.00000 $0.00019

Measured 4d ago against content hash b0b2a121c097, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

fix-codesign-error 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 4d 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:

plugins/Anybox-Plugins/build-macos-apps/commands/fix-codesign-error.md · 23 lines

What it actually says

/fix-codesign-error

Inspect a macOS signing or entitlement failure and explain the minimum fix path.

Arguments

  • app: path to .app bundle or binary (optional)
  • identity: signing identity hint (optional)
  • mode: inspect or repair-plan (optional, default: inspect)

Workflow

  1. Inspect the app bundle, executable, signing info, and entitlements.
  2. Determine whether the problem is identity, provisioning, hardened runtime, sandboxing, or trust policy.
  3. Summarize the exact failure class in plain language.
  4. Provide the minimal repair sequence or validation command.

Guardrails

  • Never invent entitlements; read them from the binary or source files.
  • Distinguish local development signing problems from distribution or notarization failures.
  • Prefer verifiable commands like codesign -d, spctl, and plutil over guesswork.
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. 4d ago First seen · 23 lines · 0 tokens per session scan A b0b2a121c097

Subscribe to this mod's changes

fix-codesign-error is a command published in the GitHub repository fanfan-de/anybox (58 stars, last pushed 21d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 195 tokens. 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.