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sigit: Skill for Claude Code

.agents/skills/agent-client-protocol/SKILL.md

agent-client-protocol is a skill for Claude Code, Codex from getsigit/sigit. It costs 64 tokens per session (6,166 once invoked), scanned A, original, no licence file.

A guide for adding or troubleshooting Agent Client Protocol support in Rust. ACP is a protocol that lets an editor or other client communicate with a coding agent.

In plain words
What is it for?
Use it for ACP JSON-RPC over standard input and output, the agent-client-protocol Rust crate, session and prompt handlers, forks, model selection, slash commands, streaming notifications, and editor integration.
Why use it?
It helps organize the many parts of that connection, including messages, sessions, prompts, and streamed updates.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing. Also seen: installed under .agents/ (shared by several agents).

This is getsigit/sigit's own configuration. It tells Claude Code and Codex how to work on sigit 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 sigit configures →

not rated 57repo +1 changed 22d ago A scan 64 tokens custom licence
View source ↗ getsigit/sigit zed.dev
Reuse

Borrowing it

Nothing to install: this file belongs to getsigit/sigit. 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/getsigit/sigit/main/.agents/skills/agent-client-protocol/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/getsigit/sigit

Made for: Claude Code, Codex.

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 agent-client-protocol

README.md
[![agentmods](https://agentmods.dev/badge/skills/getsigit/sigit/agent-client-protocol/github.svg)](https://agentmods.dev/skills/getsigit/sigit/agent-client-protocol)
Your own site
<a href="https://agentmods.dev/skills/getsigit/sigit/agent-client-protocol"><img src="https://agentmods.dev/badge/skills/getsigit/sigit/agent-client-protocol/github.svg" alt="Measured on agentmods" height="20"></a>

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.

agentmods 80×15 button for agent-client-protocol

Your own site · 80×15
<a href="https://agentmods.dev/skills/getsigit/sigit/agent-client-protocol"><img src="https://agentmods.dev/badge/skills/getsigit/sigit/agent-client-protocol.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 64 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 6,166 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown 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 $0.00064 $0.06166
Opus 5.5 $0.00026 $0.02466
Sonnet 5.5 $0.00013 $0.01233
Haiku 4.5 $0.00006 $0.00617

Measured 22d ago against content hash d0ff0c344f45, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

agent-client-protocol 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 22d 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.

.agents/skills/agent-client-protocol/SKILL.md · 609 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

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. 22d ago Changed · +1 lines d0ff0c344f45
  2. 1mo ago Changed · +1 lines 08ffea49d0df
  3. 1mo ago Changed · +5 lines b4d3139e9d44
  4. 1mo ago Changed · +10 lines 64d0f8ae54ba
  5. 2mo ago Changed · +15 lines d0557c1b487c
  6. 2mo ago First seen · 577 lines · 64 tokens per session scan A 70cf6c772525

Subscribe to this mod's changes

agent-client-protocol is a skill published in the GitHub repository getsigit/sigit (57 stars, last pushed 2d ago), with no licence file. It adds 64 tokens to every session and 6,166 once invoked, about $0.0003 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 2026-08-30.

Building agentsLanguagesRustagent-client-protocolcargocode-editorcoding-agentcrates-ioinference-engine
Related

agent-client-protocol compared with skills from other repositories

agent-client-protocol next to 6 skills from other repositories
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rust-expertpersonamanagmentlayer/pclSkill4411d agoApache-2.0A60Claude Code
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rust-build-optimizationbahayonghang/my-ai-cli-toolkitSkill178d agoMITA147Claude Code