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Dev Harness CLI

npm

Agent-agnostic development harness for AI coding agents — gated phase pipeline with a next-step trajectory engine, built-in MCP server, craft skills library, and deterministic gate validation. Works inside Claude Code, Codex, Cursor, VS Code, and any MCP-

Works with: Claude Code, Cursor, Claude Desktop, Codex CLI, Gemini CLI, Cline, Windsurf, VS Code (installable)
installable: each client documents how to load an MCP server of this type — that is the client's promise, not a claim verified against this capability

Install (Claude Code):

claude mcp add dev-harness-cli -- npx -y dev-harness-cli

Security audit

scanned 2026-08-25

Every finding is shown in full — which advisory, the version that fixes it, and the exact command run at install time. Nothing in this audit is behind a licence.

No known advisoriesclearchecked against OSV for 5.1.0 — this package, not its dependency tree
Runs a script at install timecodenode -e "try{process.stdout.write('dev-harness installed. Run: npx dev-harness --help\n')}catch(e){}"
No access inferred from declared dependenciesnothing it depends on reaches files, shell or network. This reads declarations only — built-in APIs are invisible to it, so absence of a declaration is not absence of access
No build provenanceno attestation — the published artifact cannot be traced to its source

What changed recently

You are reading this because you came looking. tashan Pro gives tashan doctor the history behind it, so a run over your own config says which of YOURS moved.

You searched for one. Check the rest of your stack:

npx tashan-cli doctor

Reads the config already on your machine and names what is dead, deprecated or running code at install time. No account, nothing uploaded.

tashan Pro$6/mo

We recorded 1 change to Dev Harness CLI in the last 45 days. Pro tells you on the day — for the servers in your own config, not the ones you thought to look up.

Start a 7-day trial › Everything measured on this page stays free.

Show your score

Measured this well? Put the live badge in your README — it updates as the score does.

tashan badge for Dev Harness CLI
[![tashan](https://tashan.sh/badge/pkg-dev-harness-cli.svg)](https://tashan.sh/capability/pkg-dev-harness-cli.html)

npm ↗  ·  source ↗  ·  pkg:dev-harness-cli

Already running this? Check your whole config — free, in your browser, nothing installed. Or npx tashan-cli doctor locally, which sends nothing at all.

Measured 2026-09-13  ·  scorer s5  ·  how  ·  something wrong here?