--- title: "agentsys vs code-mode" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/agent-sh-agentsys-vs-universal-tool-calling-protocol-code-mode" tools: ["agent-sh-agentsys", "universal-tool-calling-protocol-code-mode"] --- # agentsys vs code-mode *GraphCanon updated Aug 12, 2026* ## Verdict Pick agentsys if agentsys supports automation through AI agents that handle various coding environments with plugins and skills; pick code-mode if code-mode is a TypeScript library designed to enable AI agents to interact with MCP and UTCP tools through code execution. [agentsys](https://agent-sh.github.io/agentsys/) reports 962 GitHub stars, 111 forks, and 0 open issues, last pushed Jul 26, 2026. [code-mode](https://github.com/universal-tool-calling-protocol/code-mode) has 1.5k stars, 98 forks, and 3 open issues, last pushed Jun 18, 2026. Figures are from public GitHub metadata via [agentsys's repository](https://github.com/agent-sh/agentsys) and [code-mode's repository](https://github.com/universal-tool-calling-protocol/code-mode). | | [agentsys](/tools/agent-sh-agentsys.md) | [code-mode](/tools/universal-tool-calling-protocol-code-mode.md) | | --- | --- | --- | | Tagline | AI writes code to automate workflows and tasks | Plug-and-play library enabling agents to call MCP and UTCP tools via code execution | | Stars | 962 | 1,519 | | Forks | 111 | 98 | | Open issues | 0 | 3 | | Language | JavaScript | TypeScript | | Adopt for | agentsys supports automation through AI agents that handle various coding environments with plugins and skills. | Code-mode is a TypeScript library designed to enable AI agents to interact with MCP and UTCP tools through code execution. | | Persona | - | - | | Runtime | - | - | | License | MIT | The MPL-2.0 license applies to Code-mode, offering flexibility while requiring that any changes made to the code are accessible under similar licensing terms. | | Categories | AI Agents, Developer Tools | AI Agents, Developer Tools | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [agentsys](/tools/agent-sh-agentsys.md) | [code-mode](/tools/universal-tool-calling-protocol-code-mode.md) | | --- | --- | --- | | Maintenance | Active (82%) | Steady (60%) | | Days since push | 16d | 38d | | Open issues (now) | 0 | 3 | | Full report | [trust report](/tools/agent-sh-agentsys/trust.md) | [trust report](/tools/universal-tool-calling-protocol-code-mode/trust.md) | ## Shared compatibility - **Node.js**: [agentsys](/tools/agent-sh-agentsys.md) - Node.js runtime; [code-mode](/tools/universal-tool-calling-protocol-code-mode.md) - Node.js runtime ## Decision facts: agentsys - **Pricing:** freemium - MIT licensed tool offers open access for free but may include premium plugins or skills. - **Requirements:** Min 2 GB RAM; Requires modern JavaScript environment to run effectively.; Ensure internet connectivity due to reliance on plugins and skills that may require update downloads or external API access for certain functionalities. - **Adopt for:** agentsys supports automation through AI agents that handle various coding environments with plugins and skills. ## Decision facts: code-mode - **Pricing:** freemium - Code-mode is free and open-source under the MPL-2.0 license. Potential premium features or support may be offered by contributors. - **Requirements:** A TypeScript runtime environment is necessary to use Code-mode.; Compatibility with current AI agents and tools that follow the MCP and UTCP protocols may be required. - **Adopt for:** Code-mode is a TypeScript library designed to enable AI agents to interact with MCP and UTCP tools through code execution. - **License detail:** The MPL-2.0 license applies to Code-mode, offering flexibility while requiring that any changes made to the code are accessible under similar licensing terms. ## Choose when ### Choose agentsys if… - agentsys is primarily JavaScript; code-mode is TypeScript. - License: agentsys is MIT, code-mode is MPL-2.0. - Pricing: MIT licensed tool offers open access for free but may include premium plugins or skills.. - Requirements: Min 2 GB RAM; Requires modern JavaScript environment to run effectively.; Ensure internet connectivity due to reliance on plugins and skills that may require update downloads or external API access for certain functionalities.. - Tags unique to agentsys: agent, ai, automation, autonomous-agents. - Use when you need to automate complex workflows in JavaScript-heavy projects, as it integrates well with JavaScript environments like Claude Code. ### Choose code-mode if… - code-mode is primarily TypeScript; agentsys is JavaScript. - License: code-mode is MPL-2.0, agentsys is MIT. - Pricing: Code-mode is free and open-source under the MPL-2.0 license. Potential premium features or support may be offered by contributors.. - Requirements: A TypeScript runtime environment is necessary to use Code-mode.; Compatibility with current AI agents and tools that follow the MCP and UTCP protocols may be required.. - Tags unique to code-mode: ai-agents, codemode, mcp, model-context-protocol. - Use Code-mode when you need seamless integration between AI agents and specific tool protocols like MCP and UTCP via code-based interactions. ## When NOT to use agentsys - Avoid for teams not proficient in JavaScript or those preferring languages where agentsys does not provide comparable support. - Do not use if your project scope is better served by competitors with more specialized skill sets that align closely with niche requirements, as opposed to the general utility approach of agentsys. ## When NOT to use code-mode - Avoid Code-mode if your project does not require interaction with MCP or UTCP tools as integration may offer less value. - Do not use Code-mode if another programming language is required for your project, as it exclusively supports TypeScript. ## Common questions ### What is the difference between agentsys and code-mode? agentsys: AI writes code to automate workflows and tasks. code-mode: Plug-and-play library enabling agents to call MCP and UTCP tools via code execution. See the comparison table for live GitHub stats and shared categories. ### When should I choose agentsys over code-mode? Choose agentsys over code-mode when agentsys is primarily JavaScript; code-mode is TypeScript; License: agentsys is MIT, code-mode is MPL-2.0; Pricing: MIT licensed tool offers open access for free but may include premium plugins or skills.; Requirements: Min 2 GB RAM; Requires modern JavaScript environment to run effectively.; Ensure internet connectivity due to reliance on plugins and skills that may require update downloads or external API access for certain functionalities.; Tags unique to agentsys: agent, ai, automation, autonomous-agents; Use when you need to automate complex workflows in JavaScript-heavy projects, as it integrates well with JavaScript environments like Claude Code. ### When should I choose code-mode over agentsys? Choose code-mode over agentsys when code-mode is primarily TypeScript; agentsys is JavaScript; License: code-mode is MPL-2.0, agentsys is MIT; Pricing: Code-mode is free and open-source under the MPL-2.0 license. Potential premium features or support may be offered by contributors.; Requirements: A TypeScript runtime environment is necessary to use Code-mode.; Compatibility with current AI agents and tools that follow the MCP and UTCP protocols may be required.; Tags unique to code-mode: ai-agents, codemode, mcp, model-context-protocol; Use Code-mode when you need seamless integration between AI agents and specific tool protocols like MCP and UTCP via code-based interactions. ### When should I avoid agentsys? Avoid for teams not proficient in JavaScript or those preferring languages where agentsys does not provide comparable support. Do not use if your project scope is better served by competitors with more specialized skill sets that align closely with niche requirements, as opposed to the general utility approach of agentsys. ### When should I avoid code-mode? Avoid Code-mode if your project does not require interaction with MCP or UTCP tools as integration may offer less value. Do not use Code-mode if another programming language is required for your project, as it exclusively supports TypeScript. ### Is agentsys or code-mode more popular on GitHub? code-mode has more GitHub stars (1,519 vs 962). Stars measure visibility, not whether either tool fits your constraints. ### Are agentsys and code-mode open source? Yes - both are open-source projects on GitHub (agentsys: MIT, code-mode: MPL-2.0). ### Where can I find alternatives to agentsys or code-mode? GraphCanon lists graph-backed alternatives at [agentsys alternatives](/tools/agent-sh-agentsys/alternatives) and [code-mode alternatives](/tools/universal-tool-calling-protocol-code-mode/alternatives) ([agentsys markdown twin](/tools/agent-sh-agentsys/alternatives.md), [code-mode markdown twin](/tools/universal-tool-calling-protocol-code-mode/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/agent-sh-agentsys-vs-universal-tool-calling-protocol-code-mode.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, agentsys or code-mode? agentsys: Active. code-mode: Steady. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for agentsys and code-mode? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [agentsys trust report](/tools/agent-sh-agentsys/trust); [code-mode trust report](/tools/universal-tool-calling-protocol-code-mode/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=agent-sh-agentsys`](/api/graphcanon/graph?tool=agent-sh-agentsys) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_