--- title: "ECC vs chrome-devtools-mcp" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/affaan-m-ecc-vs-chromedevtools-chrome-devtools-mcp" tools: ["affaan-m-ecc", "chromedevtools-chrome-devtools-mcp"] --- # ECC vs chrome-devtools-mcp *GraphCanon updated Jul 11, 2026* ## Verdict Pick ECC when eCC is primarily JavaScript; chrome-devtools-mcp is TypeScript; pick chrome-devtools-mcp when chrome-devtools-mcp is primarily TypeScript; ECC is JavaScript. [ECC](https://ecc.tools) reports 228k GitHub stars, 35k forks, and 93 open issues, last pushed Jul 9, 2026. [chrome-devtools-mcp](https://npmjs.org/package/chrome-devtools-mcp) has 47k stars, 3.2k forks, and 93 open issues, last pushed Jul 10, 2026. Figures are from public GitHub metadata via [ECC's repository](https://github.com/affaan-m/ECC) and [chrome-devtools-mcp's repository](https://github.com/ChromeDevTools/chrome-devtools-mcp). | | [ECC](/tools/affaan-m-ecc.md) | [chrome-devtools-mcp](/tools/chromedevtools-chrome-devtools-mcp.md) | | --- | --- | --- | | Tagline | The agent harness performance optimization system for AI agents | Chrome DevTools for coding agents | | Stars | 228,395 | 46,659 | | Forks | 35,037 | 3,190 | | Open issues | 93 | 93 | | Language | JavaScript | TypeScript | | Adopt for | ECC is a performance optimization system for AI agents built to enhance skills, instincts, memory, security, and development processes. | - | | Persona | - | - | | Runtime | - | - | | License | MIT | Apache-2.0 | | Categories | AI Agents, Developer Tools | AI Agents, Developer Tools | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [ECC](/tools/affaan-m-ecc.md) | [chrome-devtools-mcp](/tools/chromedevtools-chrome-devtools-mcp.md) | | --- | --- | --- | | Days since push | 2d | 0d | | Owner type | User | Organization | | Full report | [trust report](/tools/affaan-m-ecc/trust.md) | [trust report](/tools/chromedevtools-chrome-devtools-mcp/trust.md) | ## Decision facts: ECC - **Hosting:** unknown - ECC requires JavaScript environment and is open-source, licensed under MIT. Specific setup details are not provided within repository data. - **Pricing:** freemium - Being open source with an MIT license, ECC itself is free to use, but additional features or support might incur costs outside of the core project. - **Adopt for:** ECC is a performance optimization system for AI agents built to enhance skills, instincts, memory, security, and development processes. ## Choose when ### Choose ECC if… - ECC is primarily JavaScript; chrome-devtools-mcp is TypeScript. - License: ECC is MIT, chrome-devtools-mcp is Apache-2.0. - ECC requires JavaScript environment and is open-source, licensed under MIT. Specific setup details are not provided within repository data. - Pricing: Being open source with an MIT license, ECC itself is free to use, but additional features or support might incur costs outside of the core project.. - Tags unique to ECC: ai-agents, anthropic, claude, claude-code. - When you are specifically working with AI agents like Claude Code and Codex that require advanced performance tuning across multiple dimensions such as skills and memory management. ### Choose chrome-devtools-mcp if… - chrome-devtools-mcp is primarily TypeScript; ECC is JavaScript. - License: chrome-devtools-mcp is Apache-2.0, ECC is MIT. - Tags unique to chrome-devtools-mcp: browser, chrome, chrome-devtools, debugging. ## When NOT to use ECC - For projects focusing solely on traditional software development workflows without AI components, ECC's specialized tools are not necessary. - In scenarios where you're working with closed-source or proprietary AI systems that do not allow for the same levels of customization as open platforms like those optimized by ECC. ## When NOT to use chrome-devtools-mcp - AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism. - Developer Tools: A gateway is overkill when you're pinned to a single provider and model. ## Common questions ### What is the difference between ECC and chrome-devtools-mcp? ECC: The agent harness performance optimization system for AI agents. chrome-devtools-mcp: Chrome DevTools for coding agents. See the comparison table for live GitHub stats and shared categories. ### When should I choose ECC over chrome-devtools-mcp? Choose ECC over chrome-devtools-mcp when ECC is primarily JavaScript; chrome-devtools-mcp is TypeScript; License: ECC is MIT, chrome-devtools-mcp is Apache-2.0; ECC requires JavaScript environment and is open-source, licensed under MIT. Specific setup details are not provided within repository data; Pricing: Being open source with an MIT license, ECC itself is free to use, but additional features or support might incur costs outside of the core project.; Tags unique to ECC: ai-agents, anthropic, claude, claude-code; When you are specifically working with AI agents like Claude Code and Codex that require advanced performance tuning across multiple dimensions such as skills and memory management. ### When should I choose chrome-devtools-mcp over ECC? Choose chrome-devtools-mcp over ECC when chrome-devtools-mcp is primarily TypeScript; ECC is JavaScript; License: chrome-devtools-mcp is Apache-2.0, ECC is MIT; Tags unique to chrome-devtools-mcp: browser, chrome, chrome-devtools, debugging. ### When should I avoid ECC? For projects focusing solely on traditional software development workflows without AI components, ECC's specialized tools are not necessary. In scenarios where you're working with closed-source or proprietary AI systems that do not allow for the same levels of customization as open platforms like those optimized by ECC. ### When should I avoid chrome-devtools-mcp? AI Agents: Don't use an agent loop when a deterministic workflow would do; agents add latency, cost, and non-determinism. Developer Tools: A gateway is overkill when you're pinned to a single provider and model. ### Is ECC or chrome-devtools-mcp more popular on GitHub? ECC has more GitHub stars (228,395 vs 46,659). Stars measure visibility, not whether either tool fits your constraints. ### Are ECC and chrome-devtools-mcp open source? Yes - both are open-source projects on GitHub (ECC: MIT, chrome-devtools-mcp: Apache-2.0). ### Where can I find alternatives to ECC or chrome-devtools-mcp? GraphCanon lists graph-backed alternatives at [ECC alternatives](/tools/affaan-m-ecc/alternatives) and [chrome-devtools-mcp alternatives](/tools/chromedevtools-chrome-devtools-mcp/alternatives) ([ECC markdown twin](/tools/affaan-m-ecc/alternatives.md), [chrome-devtools-mcp markdown twin](/tools/chromedevtools-chrome-devtools-mcp/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/affaan-m-ecc-vs-chromedevtools-chrome-devtools-mcp.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, ECC or chrome-devtools-mcp? ECC: Very active. chrome-devtools-mcp: Very active. 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 ECC and chrome-devtools-mcp? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [ECC trust report](/tools/affaan-m-ecc/trust); [chrome-devtools-mcp trust report](/tools/chromedevtools-chrome-devtools-mcp/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=affaan-m-ecc`](/api/graphcanon/graph?tool=affaan-m-ecc) - 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/_