constellation-start

constellation-start is a skill for Claude Code from SoliEstre/EstreGenesis. It costs 90 tokens per session (388 once invoked), scanned A, original, Apache-2.0.

A procedure for starting Constellation's live project board: a local web dashboard backed by a WebSocket server and a file-control bridge. It also verifies that the board is reachable.

In plain words
What is it for?
Use it to initialize the board when needed, start its server and bridge, verify both processes, print the local dashboard address, and optionally monitor them.
Why use it?
It brings the board online after setup, a crash, or an operator stop so agents and people can use the project's shared live state.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the constellation plugin — 10 skills, 1 hook shipped together

Good fit Use it to initialize the board when needed, start its server and bridge, verify both processes, print the local dashboard address, and optionally monitor them.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/soliestre/estregenesis/constellation-start
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 SoliEstre/EstreGenesis --skill constellation-start
Clone the repo
git clone --depth 1 https://github.com/SoliEstre/EstreGenesis

Made for: Claude Code.

Or install constellation, the plugin that ships this one along with the rest of its 10 skills, 1 hook.

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 constellation-start

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/soliestre/estregenesis/constellation-start"><img src="https://agentmods.dev/badge/skills/soliestre/estregenesis/constellation-start.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 90 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 388 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 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 $0.00090 $0.00388
Opus 5 $0.00045 $0.00194
Sonnet 5 $0.00018 $0.00078
Haiku 4.5 $0.00009 $0.00039

Measured 8d ago against content hash 4da93aedec9a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

constellation-start 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 8d 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.

plugins/constellation/skills/constellation-start/SKILL.md · 30 lines

What it actually says

Start the Constellation live board

Brings the WS server + local bridge online. Use when:

  • Setting up Constellation for a new project (first-time start)
  • Restarting after a crash or operator-initiated stop
  • Verifying the board is reachable from the current host

Steps

  1. Check state.json exists (<project>/.constellation/state.json or <project>/dashboard/live/state.json). If absent, initialise from the schema in constellation/reference/state-schema.md.
  2. Spawn node constellation/reference/runtime/server.cjs on the configured port (default :7878).
  3. Spawn node constellation/reference/runtime/local-bridge.cjs (file-IO control bridge for turn-based agents).
  4. Verify both processes are alive (the §13.16.4 HELLO churn dampening should NOT fire on cold start; if it does, indicates a stale lock).
  5. Print the dashboard URL (http://localhost:7878/) for the operator.
  6. (Optional) Spawn the watchdog (node constellation/reference/runtime/watchdog.eux-equivalent) for server/bridge liveness monitoring.

Stop sequence

Use /constellation-stop to graceful-shutdown both processes (HELLO churn dampening + reconnect-friendly close).

Spec source

Constellation.md §6 (reference implementation) + §4 (runtime patterns).

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. 8d ago First seen · 30 lines · 90 tokens per session scan A 4da93aedec9a

Subscribe to this mod's changes

constellation-start is a skill published in the GitHub repository SoliEstre/EstreGenesis (8 stars, last pushed 2d ago), licensed Apache-2.0. It adds 90 tokens to every session and 388 once invoked, about $0.0005 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 2026-08-31.

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