weft-instances

weft-instances is a skill for Claude Code from WeaveMindAI/weft. It costs 131 tokens per session (4,868 once invoked), scanned A, original, no licence file.

A guide to running separate copies of part of a program, each with its own identity. Examples include one session per chat, one sandbox per job, or one workspace per document.

In plain words
What is it for?
Use it when designing sessions, sandboxes, workspaces, or customer-specific bots that must run independently.
Why use it?
It helps keep data and connections separated when one application serves multiple chats, jobs, documents, or customers. It explains whether each copy gets its own container or its own values and connection.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

Good fit Use it when designing sessions, sandboxes, workspaces, or customer-specific bots that must run independently.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/weavemindai/weft/weft-instances
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.

Any agent
npx skills add WeaveMindAI/weft --skill weft-instances
Clone the repo
git clone --depth 1 https://github.com/WeaveMindAI/weft

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.

agentmods badge for weft-instances

README.md
[![agentmods](https://agentmods.dev/badge/skills/weavemindai/weft/weft-instances/github.svg)](https://agentmods.dev/skills/weavemindai/weft/weft-instances)
Your own site
<a href="https://agentmods.dev/skills/weavemindai/weft/weft-instances"><img src="https://agentmods.dev/badge/skills/weavemindai/weft/weft-instances/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 weft-instances

Your own site · 80×15
<a href="https://agentmods.dev/skills/weavemindai/weft/weft-instances"><img src="https://agentmods.dev/badge/skills/weavemindai/weft/weft-instances.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 131 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,868 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 $0.00131 $0.04868
Opus 5.5 $0.00052 $0.01947
Sonnet 5.5 $0.00026 $0.00974
Haiku 4.5 $0.00013 $0.00487

Measured 5d ago against content hash 62ed93f76ef1, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

weft-instances 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 5d 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.

tangle/claude-code/.claude/skills/weft-instances/SKILL.md · 359 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. 5d ago Changed · +4 lines 62ed93f76ef1
  2. 8d ago Changed · +8 lines 2bbe65c9959b
  3. 14d ago Changed b2b337415feb
  4. 15d ago First seen · 347 lines · 131 tokens per session scan A bbed2ae1a9e9

Subscribe to this mod's changes

weft-instances is a skill published in the GitHub repository WeaveMindAI/weft (2,002 stars, last pushed today), with no licence file. It adds 131 tokens to every session and 4,868 once invoked, about $0.0005 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 2026-10-02.

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