A command-line controller for Devin, a coding agent that can handle delegated work, use subagents, or continue tasks in the cloud.

It is for code generation, refactoring, validation, subagent delegation, cloud handoffs, and second-opinion reviews.

It allows long-running or independent coding work to be handed off and then reviewed by the current agent.

cli-devin — Skill for Claude Code by MichelKerkmeester

Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo

git clone --depth 1 https://github.com/MichelKerkmeester/skilled-agent-harness_spec-driven-loops

agentmods

npx agentmods add skills/michelkerkmeester/skilled-agent-harness_spec-driven-loops/cli-devin

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/michelkerkmeester/skilled-agent-harness_spec-driven-loops/cli-devin/github.svg)](https://agentmods.dev/skills/michelkerkmeester/skilled-agent-harness_spec-driven-loops/cli-devin)

Your own site

<a href="https://agentmods.dev/skills/michelkerkmeester/skilled-agent-harness_spec-driven-loops/cli-devin"><img src="https://agentmods.dev/badge/skills/michelkerkmeester/skilled-agent-harness_spec-driven-loops/cli-devin/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/michelkerkmeester/skilled-agent-harness_spec-driven-loops/cli-devin"><img src="https://agentmods.dev/badge/skills/michelkerkmeester/skilled-agent-harness_spec-driven-loops/cli-devin.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 9,836 The whole file, excluding the scripts and references it only reads on demand.

Security scan C 3 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.

Model	Per session	Once invoked
Fable 5.1	$0.00028	$0.09836
Opus 5.5	$0.00011	$0.03934
Sonnet 5.5	$0.00006	$0.01967
Haiku 4.5	$0.00003	$0.00984

Measured 8d ago against content hash 310e5e6e7f7a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade C, and why

cli-devin scanned grade C with 3 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.

Downloads and executes remote codehighSupply chain

curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.

command -v devin || echo "Not installed. Run: devin setup or curl -fsSL https://devin.ai/install | bash"

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

command -v devin || echo "Not installed. Run: devin setup or curl -fsSL https://devin.ai/install | bash"

Runs shell commandslowCapability

Expected in a hook, worth knowing in a rule or an instructions file.

ancestry = subprocess.check_output(['ps', '-o', 'command=', '-p', str(os.getppid())]).decode()

.hermes/skills/cli-devin/SKILL.md · 439 lines

How it starts

The opening of the file, as written. The whole thing — 439 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Canonical source: .skilled/skills/cli-external-orchestration/cli-devin/. This is a generated markdown-only copy so Hermes can load the skill without scanning the canonical directory. Read references/, assets/ and scripts/ from the canonical path above.

Devin CLI Orchestrator - Cross-AI Task Delegation

CRITICAL — SELF-INVOCATION PROHIBITED

This skill dispatches to the Cognition CLI binary (devin). If the agent currently reading this skill is itself running inside Devin (detection signals listed in §2), the skill MUST refuse to load and return the documented error message instead of generating any devin invocation.

A running CLI skill never dispatches itself. The cli-X skills are for cross-AI delegation only — never self-invocation.

Orchestrate Cognition's Devin CLI for tasks that benefit from a second AI perspective, multi-model selection (DeepSeek, GLM-5.2, GPT-5.6 Luna Max, Grok (4.5 and 4.6), SWE-2), subagent delegation with run_subagent, cloud handoff via /handoff, or parallel code generation.

Core Principle: Use Devin for what it does best. Delegate, validate, integrate. The calling AI stays the conductor.

1. WHEN TO USE

Activation Triggers

Cross-AI Validation — code review second perspective, security audit alternative analysis, bug detection, independent implementation attempts.
Cloud Handoff — long-running tasks, complex refactors, CI-like validation, browser-dependent workflows offloaded to a cloud Devin session via /handoff.
Subagent Delegation — specialized profile matches (subagent_explore, subagent_general, custom .devin/agents/[name]/AGENT.md profiles), parallel task processing through Devin's native subagent system.
Multi-Model Dispatch — tasks that specifically want a model available through Devin's multi-model surface (DeepSeek, GLM-5.2, GPT-5.6 Luna Max, Grok (4.5 and 4.6), SWE-2), selected per-dispatch with --model.
Parallel Code Generation — offloading generation, simultaneous code generations, background docs/test generation through subagents.
Specialized Generation — explicit Devin requests, test suite generation, code translation, batch documentation, visual input via clipboard paste or @ file mentions.

Read the full file on GitHub · 439 lines

Files

What ships with it

60 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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.

8d ago Changed 310e5e6e7f7a
9d ago Changed ab1909c3bce6
12d ago Changed · -33 lines 7ca85f069ca8
17d ago Changed 152725f9aca7
23d ago Changed · -9 lines 3c3be63b1ab0
26d ago Changed 418f4a9319f2
29d ago Changed 6a9967ebce14
1mo ago Changed 83e94ba4a179
1mo ago Changed 188ab7eb0971
1mo ago First seen · 481 lines · 28 tokens per session scan C 5f9f477e9bb8

Subscribe to this mod's changes

cli-devin is a skill published in the GitHub repository MichelKerkmeester/skilled-agent-harness_spec-driven-loops (38 stars, last pushed today), licensed MIT. It adds 28 tokens to every session and 9,836 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it C with 3 findings (downloads and executes remote code, makes network calls, runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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