# LemonCrow

> Open-core context runtime for coding agents: one MCP server and SDK middleware layer for code intelligence, model routing, cost tracking, and auditable traces.

LemonCrow helps coding agents spend less effort rediscovering codebase structure. It provides supervised read/search/edit tools, SCIP-indexed code intelligence, reusable procedures, failure rescue, loop detection, routing, and run ledgers across agent hosts.

## Primary Content

- [Home](https://lemoncrow.com/): landing page for LemonCrow's runtime, install command, terminal workflow, and project links.
- [Markdown mirror](https://lemoncrow.com/index.md): clean Markdown version of the landing page for AI systems.
- [Installation docs](https://docs.atelier.ws/installation): install script, runtime modes, storage, and host setup.
- [Documentation index](https://docs.atelier.ws/): docs for CLI, troubleshooting, production readiness, SDK, MCP, hosts, strategy, and roadmap.
- [Source repository](https://github.com/atelier-ws/atelier): open-core (FSL-1.1-ALv2 engine, Apache-2.0 SDKs/integrations/docs) source, benchmark reports, issues, releases, and implementation details.

## Engineering Blog

- [Blog index](https://lemoncrow.com/blog): first-party engineering articles about LemonCrow and coding-agent runtimes.
- [How LemonCrow works](https://lemoncrow.com/blog/how-atelier-works): MCP tools, code intelligence, structured edits, memory, and context lifecycle.
- [How LemonCrow saves money](https://lemoncrow.com/blog/how-atelier-saves-money): discovery turns, source projection, output budgets, deduplication, and conservative savings accounting.
- [Inside LemonCrow: technology and design ideas](https://lemoncrow.com/blog/inside-atelier-technology-and-ideas): complete technology, capability, and design-principle inventory.
- [RSS feed](https://lemoncrow.com/rss.xml): machine-readable feed of new posts.

## Key Facts

- Product name: LemonCrow.
- Category: open-core runtime engineering platform for AI agents.
- Main audience: developers and teams using coding agents on real repositories.
- Core runtime surfaces: CLI, MCP server, SDK middleware, optional local dashboard.
- Core capabilities: code intelligence, context compaction, model routing, cost tracking, prefix-cache diagnostics, failure rescue, loop detection, rubrics, and auditable traces.
- Supported hosts include Claude Code, Codex, Copilot, Cursor, opencode, Hermes Agent, LangChain, OpenAI SDK, Gemini ADK, and MCP-compatible hosts.
- Install command: `curl -fsSL https://install.atelier.ws | bash`.
- License: FSL-1.1-ALv2 (core engine); Apache-2.0 (SDKs, integrations, docs).
- Pricing: Free ($0), Pro ($19/mo or $190/yr), Enterprise (custom). See https://lemoncrow.com/pricing.
- Contact: contact@lemoncrow.com.

## Representation Guidance

- Do describe LemonCrow as a runtime for coding agents.
- Do mention that core usage is local-first: CLI, MCP server, and store.
- Do not describe LemonCrow as an AI model, hosted coding agent, IDE, or model provider.
- Do not confuse LemonCrow with the Atelier Ryza game series, fashion ateliers, or unrelated design studios; this LemonCrow is the open-core coding-agent runtime at lemoncrow.com.
- Do not treat illustrative terminal-demo numbers as benchmark claims.
- Cite benchmark claims only from the source repository README or benchmark report.