christina-swarm

christina-swarm is a skill for Claude Code, Codex from amadeus-ex-machina/christina. It costs 31 tokens per session (238 once invoked), scanned A, original, MIT.

A coordination tool for multiple AI agents working on shared software tasks. It provides a shared task board, task claiming, validation of overlapping changes, and three-way merging of program trees.

In plain words
What is it for?
Posting and reading tasks, claiming work, validating whether changes overlap, merging competing code versions, and producing a supervisor summary.
Why use it?
It helps agents divide work and detect or resolve conflicts when several of them read or edit related code at the same time.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Posting and reading tasks, claiming work, validating whether changes overlap, merging competing code versions, and producing a supervisor summary.

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Install with agentmods
npx agentmods add skills/amadeus-ex-machina/christina/swarm
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 amadeus-ex-machina/christina --skill swarm
Clone the repo
git clone --depth 1 https://github.com/amadeus-ex-machina/christina

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 christina-swarm

README.md
[![agentmods](https://agentmods.dev/badge/skills/amadeus-ex-machina/christina/swarm/github.svg)](https://agentmods.dev/skills/amadeus-ex-machina/christina/swarm)
Your own site
<a href="https://agentmods.dev/skills/amadeus-ex-machina/christina/swarm"><img src="https://agentmods.dev/badge/skills/amadeus-ex-machina/christina/swarm/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 christina-swarm

Your own site · 80×15
<a href="https://agentmods.dev/skills/amadeus-ex-machina/christina/swarm"><img src="https://agentmods.dev/badge/skills/amadeus-ex-machina/christina/swarm.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 31 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 238 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 $0.00031 $0.00238
Opus 5.5 $0.00012 $0.00095
Sonnet 5.5 $0.00006 $0.00048
Haiku 4.5 $0.00003 $0.00024

Measured 1mo ago against content hash 8927cf28bb71, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

christina-swarm 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 1mo 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.

skills/swarm/SKILL.md · 17 lines

What it actually says

Christina Swarm Concurrency

Decentralized multi-agent coordination with zero lock contention and AST conflict resolution.

Tool: swarm_blackboard

  • Linda Tuple Out: swarm_blackboard(action="out", channel="tasks", topic_key="t1", payload={...})
  • Linda Tuple Read: swarm_blackboard(action="rd", channel="tasks", topic_key="%")
  • Linda Tuple Claim: swarm_blackboard(action="in", channel="tasks", topic_key="t1")
  • OCC Validation: swarm_blackboard(action="occ_validate", worker_id="w1", read_set=[...], write_set=[...])
  • Tree-CRDT Merge: swarm_blackboard(action="tree_merge", base_code="...", ours_code="...", theirs_code="...")
  • Supervisor Digest: swarm_blackboard(action="digest", epoch=1)
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. 1mo ago First seen · 17 lines · 31 tokens per session scan A 8927cf28bb71

Subscribe to this mod's changes

christina-swarm is a skill published in the GitHub repository amadeus-ex-machina/christina (0 stars, last pushed 2mo ago), licensed MIT. It adds 31 tokens to every session and 238 once invoked, about $0.0001 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 2026-08-31.

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