keel-agent-team-start

keel-agent-team-start is a skill for Claude Code from muratsilahtaroglu/claude-code-starter-kit. It costs 62 tokens per session (1,732 once invoked), scanned A, original, MIT.

A session setup tool that assigns the chat an existing agent-team identity and records which session belongs to which team member. It uses team charters, which are files describing each agent's role and rules.

In plain words
What is it for?
Use it at the start of a team-agent session or when switching to another existing team identity.
Why use it?
It preserves the agent's role after the conversation is resumed or its context is shortened.

Skill for Claude Code

Written for Claude Code: SessionStart hook event. Also seen: reads .claude/ paths.

Good fit Use it at the start of a team-agent session or when switching to another existing team identity.

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Install with agentmods
npx agentmods add skills/muratsilahtaroglu/claude-code-starter-kit/keel-agent-team-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 muratsilahtaroglu/claude-code-starter-kit --skill keel-agent-team-start
Clone the repo
git clone --depth 1 https://github.com/muratsilahtaroglu/claude-code-starter-kit

Made for: Claude Code.

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README.md
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Your own site · 80×15
<a href="https://agentmods.dev/skills/muratsilahtaroglu/claude-code-starter-kit/keel-agent-team-start"><img src="https://agentmods.dev/badge/skills/muratsilahtaroglu/claude-code-starter-kit/keel-agent-team-start.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 62 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,732 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 $0.00062 $0.01732
Opus 5 $0.00031 $0.00866
Sonnet 5 $0.00012 $0.00346
Haiku 4.5 $0.00006 $0.00173

Measured 4d ago against content hash c1b88361dfa2, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

keel-agent-team-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 4d 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/keel-agent-team-start/SKILL.md · 95 lines

How it starts

The opening of the file, as written. The whole thing — 95 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/keel-agent-team-start @ — who am I in this chat

When: the FIRST message of a newly-opened session that should act as one of the project's team agents (/keel-agent-team-start @mechanic), or to SWITCH an existing chat's identity. The roster is .claude/agents/team-*.md (created owner-approved by /keel-agent-team-create) — if no charters exist, say so and stop; NEVER invent one (charter creation is the owner's, §10.42).

1. Resolve the agent

  • Argument given (@<name> or <name>): match against team-<name>.md. No match → list the roster once, ask.
  • No argument: if the reground hook already injected "this session is @X" into this context, confirm and jump to step 3 (idempotent — a known identity is never re-asked); otherwise ask ONCE with the roster.

2. Record the mapping — this is what survives compaction

  • Session id: take it from the reground hook's Session-id: <id> line in this context (the hook prints it whenever team charters exist). If it is genuinely absent, adopt the identity for this context anyway and WARN: "mapping not recorded — identity may need re-adopting after the next compact".
  • Append to .claude/agent-team-sessions (git-ignored, machine-local): <session_id> <name> <YYYY-MM-DD>. If THIS session id already has a line, REPLACE that line (identity switch). Keep the file ≤ ~50 lines — drop the oldest.
  • Double-claim guard: if ANOTHER session id maps to the same agent with a recent date (≤ ~2 days), warn — "@ also looks active in another chat: takeover, or a collision about to happen?" — and proceed only on the owner's word (two chats writing one lane = the §10.42 clobber).

2b. Name the session after the agent — this is the messaging ADDRESS

Ask the owner to run /rename <name> in this chat (or relaunch it with claude --name <name>).

This is not cosmetic. The orchestrator wakes a worker with SendMessage, and its to: is the SESSION name that /list-agents shows — not the keel agent name. A session nobody renamed is named after the working directory, so a five-agent team reads as my-app-3f, my-app-a1, my-app-7c… mutually indistinguishable: the orchestrator cannot address a worker, and the star-topology wall cannot recognise a target as a teammate (it allows what it cannot identify, by design).

Read the full file on GitHub · 95 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. 4d ago Changed · +27 lines c1b88361dfa2
  2. 8d ago First seen · 68 lines · 62 tokens per session scan A 5d2eb4ef6610

Subscribe to this mod's changes

keel-agent-team-start is a skill published in the GitHub repository muratsilahtaroglu/claude-code-starter-kit (9 stars, last pushed yesterday), licensed MIT. It adds 62 tokens to every session and 1,732 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 2026-08-31.

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