egregore: Skill for Claude Code

.claude/skills/emissary/SKILL.md

emissary is a skill for Claude Code from egregore-labs/egregore. It costs 70 tokens per session (2,894 once invoked), scanned A, original, MIT.

A tool for creating, sending, or running portable handoff packages called emissaries, published as web pages at egregore.xyz.

In plain words
What is it for?
Use it to make, send, or run an emissary, or to work with an egregore.xyz emissary link.
Why use it?
It packages information into something that can be shared and run elsewhere, instead of keeping the handoff tied to one conversation.

Skill for Claude Code

Written for Claude Code: $ARGUMENTS substitution. Also seen: reads .claude/ paths; names the AskUserQuestion tool.

This is egregore-labs/egregore's own configuration. It tells Claude Code how to work on egregore 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 egregore configures →

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is bash bin/graph.sh query ".

Reuse

Borrowing it

Nothing to install: this file belongs to egregore-labs/egregore. 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/egregore-labs/egregore/main/.claude/skills/emissary/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/egregore-labs/egregore

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 emissary

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/egregore-labs/egregore/emissary"><img src="https://agentmods.dev/badge/skills/egregore-labs/egregore/emissary.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 70 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,894 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. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 9 findings, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Rogue Agent · line 10
    Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.
    Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
  • medium Agent Snooping · line 16
    Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.
    Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
  • medium MCP Rug Pull · line 16
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 18
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 21
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 42
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 85
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 208
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
  • medium MCP Rug Pull · line 210
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
How audits are shown
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 $0.00070 $0.02894
Opus 5 $0.00035 $0.01447
Sonnet 5 $0.00014 $0.00579
Haiku 4.5 $0.00007 $0.00289

Measured 12d ago against content hash 40691e1b45db, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

emissary 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.

.claude/skills/emissary/SKILL.md · 221 lines

How it starts

The opening of the file, as written. The whole thing — 221 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Topic: $ARGUMENTS

When to invoke

User says: "/emissary", "make an emissary", "let's make an emissary", "send an emissary to ", "create an emissary", "run this emissary", or pastes an egregore.xyz/emissary/e/<id> link.

Not this: user wants a team session-handoff (recap of what happened this session, addressed to a teammate, indexed in Neo4j, posted to Telegram) → that's /handoff. The two are siblings, not competitors: /handoff is the internal recap; /emissary is the portable, executable capsule.

Relationship to the framework skill

The framework-level egregore-emissary skill (installed via npx egregore-emissary install, lives at ~/.claude/skills/egregore-emissary/SKILL.md) owns the compose / publish / run flow end-to-end. This project skill is a thin Egregore overlay on top of it:

  1. Delegate the compose/run to the framework skill — its full procedure (interview via AskUserQuestion, shape decision, answers JSON, self-check, npx egregore-emissary@latest new --answers ...) is the source of truth. Do not duplicate it here. Follow it.
  2. Add the Egregore overlay — see Step 6 below — once the framework skill has produced a URL.

If the framework skill is missing (path above does not exist), tell the user: "the egregore-emissary skill isn't installed — run npx egregore-emissary@latest install" and stop. Do not try to reconstruct it from memory.

Intent routing

Signal Intent Branch
Pasted egregore.xyz/emissary/e/<id> link, or "run this", "open this packet" run follow the framework skill's "Run an emissary" procedure. Stop after that — no Egregore overlay on runs.
"make / create / compose an emissary", "let's make an emissary", "send an emissary to ", bare /emissary create follow the framework skill's "Create an emissary" procedure for steps 1–4, then do Step 6 below.
"enact my {name} emissary", "run my starred {name}", "list my stars", "what have I starred", or a pasted @{handle}/{slug} address enact starred the platform runtime-addressability verb (spec §2.5) — see "Enact a starred emissary" below. Stop after that — no overlay on runs.

Read the full file on GitHub · 221 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 First seen · 221 lines · 70 tokens per session scan A 40691e1b45db

Subscribe to this mod's changes

emissary is a skill published in the GitHub repository egregore-labs/egregore (288 stars, last pushed 8d ago), licensed MIT. It adds 70 tokens to every session and 2,894 once invoked, about $0.0003 per session on Opus 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.

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