Vc agents
Skill vetcoders/vibecrafted/vibecrafted-core/vibecrafted_core/skills/vc-agents
Vibecrafted. - The Founders' Framework | A marbles gameboard inspired convergence based coding system for shipping software with Al agents.
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Spawn external specialized AI agents from the user's fleet (Codex, Claude, Gemini). Use this when you need parallel execution, deep isolation, or task-specific cognitive strengths that surpass generic in-thread delegation. Trigger: "vc-agents", "/vc-agents", "delegate to agents", "spawn".
SKILL.md
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Invocation for
vc-agents(launcheragents)Same three-path shape as the fleet, with this skill's literals — see the canonical Delegation Matrix:
Path Literal for this skill 1. User-launched worker (fleet contract — external modes via documented spawn paths) 2. Interactive load vc-agentsas doctrine — execute in this session; use native subagents when required; do not externalize merely because a launcher exists3. Agent-operator may dispatch the worker form above via vc-dispatch/ operator lines while preserving this skill's identityNote: External fleet contract; interactive skills still execute in-session.
<!-- /fleet-imperative -->Freer native on some runs ≠ abandon external fleet.
vc-dispatchandvc-shipkeep their own identities.
vc-agents — The External Execution Fleet
Operator Entry
Living Tree / Worktree Rule
This workflow runs in the operator's current checkout and current branch. Do not create, switch to, or move execution into a git worktree unless the operator explicitly asks for a worktree in this prompt. Generic words like "isolate", "parallel", or "clean branch" are not enough. Re-read files before editing, adapt to concurrent changes, and report a substrate failure if the current tree is too poisoned to continue safely.
See Living Tree Rule.
Canonical Orientation Gate
Before this workflow performs repo-specific analysis, planning, implementation, review, release, or delegation, it MUST run or consume the vc-init procedure for the assigned repo. If fresh vc-init evidence is absent, perform the init pass first and treat workflow-specific work as blocked until repo truth exists.
Loctree:loctree is the default structural perception skill for that pass. Use Loctree before grep or docs-driven claims to produce or refresh the Code-Derived Application Map: repo-view, focus, slice, impact, find, and follow as relevant. Search for existing symbols and contracts before creating new ones; run impact before delete or major refactor; run slice before editing.
The point is to find the hooks: load-bearing hubs, twins, dead code, drift, runtime entrypoints, and blast-radius traps. If the task is explicitly non-repo or no-code, state the no-repo exception in the report. Otherwise, missing vc-init/Loctree evidence is a process failure.
Operator enters the framework session through:
vibecrafted start
# or
vc-start
# same default board as: vc-start operator
vc-agents is the delegation contract behind active workflows, not the primary
operator command a founder types first. The operator-facing entrypoint stays:
vibecrafted <launcher> <agent> \
--<options> <values> \
--<parameters> <values> \
--file '/path/to/plan.md'
vc-<launcher> <agent> \
--<options> <values> \
--<parameters> <values> \
--prompt '<prompt>'
If vc-<launcher> <agent> is invoked outside vc-frame, the framework will attach
or create the operator session and run that launcher skill in a new tab. vc-agents
defines how that launcher run fans out into external workers.
Concrete dispatch examples
vibecrafted codex implement /path/to/plan.md
vibecrafted claude implement /path/to/plan.md
vibecrafted gemini implement /path/to/plan.md
We do not outsource thought. We deploy equally capable minds on parallel execution paths to protect the main context buffer.
A single agent session carries immense context. Attempting to execute every small rewrite, forensic deep-dive, or radical structural shift in-thread causes prompt bloat and dilutes your focus.
vc-agents is the external delegation layer. You identify the structural gap,
pick the right mind for the job from the vc-why-matrix, spawn the
autonomous external worker, and return to your main orchestration.
This skill is only for external workers. Native in-process delegation belongs to
vc-delegate, not here.
Repository Work Doctrine
For repository work, start with Loctree as the map: use loct context,
loct occurrences, loct body, and loct find --literal before broad manual
search. Use AICX for intent and session context. Use rg/grep as fallback or
local magnifier, not as a replacement for structural mapping. If Loctree fails
or misses a surface, append feedback to ~/.vibecrafted/loctree/loctree-fail.md.
The vc-why-matrix
You do not spawn agents blindly. You pick the cognitive profile required for the cut.
graph TD
subgraph Codex
CodexDesc[Precision & Surgery]
CodexBest[Best for:\n\n– Critical implementations\n– Exact refactors\n– Contract-gated execution]
Codex --> CodexDesc
Codex --> CodexBest
end
subgraph Claude
ClaudeDesc[Forensics & Research]
ClaudeBest[Best for:\n\n– Bug hunts across deep layers\n– Architecture audits\n– Assessing unknown paths]
Claude --> ClaudeDesc
Claude --> ClaudeBest
end
subgraph Gemini
GeminiDesc[Radical Reframing]
GeminiBest[Best for:\n\n– Architecture leaps\n– Fearless simplification\n– Stripping dead scaffolding\n\nText default:\n– Prose, docs, narrative\n– Human-facing copy & translation]
Gemini --> GeminiDesc
Gemini --> GeminiBest
end
Words are their own cognitive profile. Prose, docs, narrative, skill / marketing copy, translation, and human-facing wording → Gemini (the text default) or Claude. Codex's edge is precision surgery on code and contracts — register and voice aren't its lane, so for a mixed cut split the work: Codex takes the mechanical / code part, Gemini or Claude take the words. This is matching the mind to the work, never a verdict on any agent.
Delegation Doctrine
- Delegate, do not micromanage: Do not produce 15-point bureaucratic checklists for the spawned agent. Write a high-level plan with
Goal,Scope, andAcceptance Criteria. Let them figure out the how. - The Living Tree: Agents must know they operate in a live system. Ensure your spawn plan states: "You are working on a living tree. Concurrent changes are expected. Adapt proactively."
- Full Replacement over Scar Tissue: Tell your agents they are empowered to rewrite broken abstractions. Sometimes a full replacement is cleaner than patching over bad prototype code.
Escalation Authority
vc-agents is an operator-level orchestration layer.
The decision to use vc-agents already encodes vc-why-matrix intent:
the operator selected a specific model family and cognitive profile for the
mission.
Because of that:
- spawned fleet agents must not call
vc-agentsagain on their own - spawned fleet agents must not re-open model selection or launch a second external fleet
- spawned fleet agents must not reinterpret the
vc-why-matrix - escalation into
vc-agentsbelongs exclusively to the operator agent
If a spawned worker discovers that the mission surface is wider, more parallel, or less bounded than expected, it should not self-escalate outward.
Instead it must:
- complete the assigned mission as far as honestly possible
- record the boundary it encountered
- name the unresolved surface clearly in its report
- leave any orchestration change to the operator
A fleet worker may reveal orchestration pressure. It may not act on it.
Plan template
---
run_id: <generated-unique-id>
agent: <claude|codex|gemini|agy|junie|grok>
skill: vc-agents
project: <repo-name>
status: <pending|in-progress|completed|failed>
loops_completed: <number>
---
# Task: <short title>
Goal:
- <1-3 bullets>
Scope:
- In scope: <files/areas> as high-level suggestions
- Out of scope: <explicit>
Constraints:
- No --no-verify
- Follow repo conventions
Acceptance:
- [ ] <objective outcome>
- [ ] <objective outcome>
Test gate:
- <command(s)>
Context:
- <very short summary>
Living tree note:
- You work on a living tree with 𝚅𝚒𝚋𝚎𝚌𝚛𝚊𝚏𝚝𝚜𝚖𝚊𝚗𝚜𝚑𝚒𝚙 methodology, so concurrent changes are expected.
- Adapt proactively and continue, but this is never permission to skip quality, security, or test gates.
- Run required checks. If something is blocked, report the exact blocker and run the closest safe equivalent.
- Coordination mode: <solo on this stage / parallel with other agents on this stage>
- You do not need to inspect other agents' plans unless this plan explicitly tells you to.
- **Commit is an obligation, not a checkpoint option: ONE commit per round** (marbles — one round = one commit), well-formed per the commit-msg hook, on the current branch. Do NOT leave delivered work uncommitted. **Do NOT push** — push is the operator's button. When the mission spans multiple rounds/units, multi-commit per dispatch is expected.
- You are an execution unit, not orchestration authority: do not invoke `vc-agents`, do not reopen frontier selection, and do not reinterpret the `vc-why-matrix`.
- If the mission reveals a wider unresolved surface, report that boundary clearly and leave orchestration changes to the operator.
Spawn commands
The operator-facing launch path for out-of-process delegation goes through the
vibecrafted command deck or the vc-<launcher> helper. The repo-owned spawn
scripts remain the internal engine behind that path.
Codex
PLAN="$VIBECRAFTED_HOME/artifacts/<org>/<repo>/<YYYY_MMDD>/plans/<plan-slug>.md"
vibecrafted codex implement "$PLAN"
Claude
PLAN="$VIBECRAFTED_HOME/artifacts/<org>/<repo>/<YYYY_MMDD>/plans/<plan>.md"
vibecrafted claude implement "$PLAN"
Gemini
PLAN="$VIBECRAFTED_HOME/artifacts/<org>/<repo>/<YYYY_MMDD>/plans/<plan>.md"
vibecrafted gemini implement "$PLAN"
If these tools are unavailable, stop pretending spawn is correctly configured and say so explicitly.
Output convention
- Plans:
$VIBECRAFTED_HOME/artifacts/<org>/<repo>/<YYYY_MMDD>/plans/<timestamp>_<slug>.mdor another stable per-task filename - Reports:
$VIBECRAFTED_HOME/artifacts/<org>/<repo>/<YYYY_MMDD>/reports/<timestamp>_<slug>_<agent>.md - Transcripts:
$VIBECRAFTED_HOME/artifacts/<org>/<repo>/<YYYY_MMDD>/reports/<timestamp>_<slug>_<agent>.transcript.log - Metadata:
$VIBECRAFTED_HOME/artifacts/<org>/<repo>/<YYYY_MMDD>/reports/<timestamp>_<slug>_<agent>.meta.json
Every spawn should surface a launch card immediately after dispatch. That card should expose at least:
run_id- chosen agent / model family
- plan path
- report path
- transcript path
- metadata path
- exact await command
If the operator cannot see those paths, observability is incomplete even if the agent is technically running.
Observation
Canonical supervisor contract (see docs/runtime/AGENT_OPS.md): After
dispatch, arm vibecrafted <agent> await --run-id <id> immediately,
supervisor-side. Control-plane JSON, report files, transcripts, panes, and
scheduled wakeups are diagnostic only, not wake signals. Hedging await with
ad-hoc pollers/watchers is a Class 3 violation; fix control_plane.await_run,
do not normalize the hedge.
3-signal liveness: await verdict, terminal run meta, worker pid dead, plus
promised report presence. Two agreeing signals are enough to act, three to
declare done; any disagreement means treat as live and re-arm await. Known skew:
rc=0-on-live and meta stuck active/stalled after real completion.
Observe progress through durable artifacts in
$VIBECRAFTED_HOME/artifacts/<org>/<repo>/<YYYY_MMDD>/reports/, but let the
dedicated runtime helper own waiting and final summary:
vibecrafted codex await --run-id <run_id>
For the most recent run of a given agent:
vibecrafted codex await --last
For multiple spawned workers, pass their launcher or metadata paths directly to the helper and let it wait on all of them together.
If your environment exposes the observer helper, use it for transcript-level inspection or debugging:
vibecrafted codex observe --last
Use the equivalent agent observer when needed, but do not rely on observe as
the only status surface. vc-agents should remain operable from durable
artifacts even when the operator is not staring at the live panes.
Quality gate expectations
Keep the standard 𝚅𝚒𝚋𝚎𝚌𝚛𝚊𝚏𝚝𝚎𝚍. quality bar:
- loctree-mcp as first-choice exploration and search tool with fail-fast if inaccessible
- semgrep as first-choice security guard when available
- Rust repos:
cargo clippy -- -D warnings - Non-Rust repos: choose the closest equivalent lint/type/test gate
- Tests: run if reviewing; write if implementing new behavior; prefer real e2e coverage for the actual pipeline
- If a gate is blocked, report the exact blocker and run the closest safe equivalent
Safety rules
- Do not log secrets or commit
.envfiles. - Never use
--no-verifyforcommitorpush. - Do not rewrite git history unless the user explicitly asks.
- Treat concurrent edits as normal, but still verify before overwriting.
- If a repo has a strict command such as
make check, run it or explain why not.
Final principle
Fleet is not for outsourcing thought. Fleet is for deploying equally capable front-line agents through a strict, default launch path. Use them to implement, not merely to comment on implementation.