{"data":{"slug":"affaan-m-ecc","name":"ECC","tagline":"Agent harness performance optimization system for AI agents and LLMs","github_url":"https://github.com/affaan-m/ECC","owner":"affaan-m","repo":"ECC","owner_avatar_url":"https://avatars.githubusercontent.com/u/124439313?v=4","primary_language":"JavaScript","stars":261432,"forks":39132,"topics":["ai-agents","anthropic","claude","claude-code","developer-tools","llm","mcp","productivity"],"archived":false,"github_pushed_at":"2026-09-17T18:04:07+00:00","maintenance_label":"Very active","stars_delta_30d":21135,"url":"https://www.graphcanon.com/tools/affaan-m-ecc","markdown_url":"https://www.graphcanon.com/tools/affaan-m-ecc.md","api_url":"https://www.graphcanon.com/api/graphcanon/tools/affaan-m-ecc","graph_url":"https://www.graphcanon.com/api/graphcanon/graph?tool=affaan-m-ecc","description":"The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.","homepage_url":"https://ecc.tools","license":"MIT","open_issues":227,"watchers":1338,"ai_summary":"ECC is a tool for optimizing the performance of AI agents and large language models, offering features like skills, instincts, memory, security, and research-first development.","readme_excerpt":"## Install with Claude Code\n\nUse the [guided setup](#install-ecc) or [native plugin commands](#claude-code-details). Both install the same `ecc@ecc` plugin. Choose one and do not stack a full manual Claude install on top.\n\n<div align=\"center\">\n\n<table aria-label=\"ECC primary links\">\n<tr>\n<td width=\"33%\" align=\"center\">\n  <a href=\"https://ecc.tools/pricing\">\n    <img src=\"assets/images/community/ecc-tools-mark.svg\" height=\"42\" alt=\"ECC Tools\" /><br />\n    <strong>ECC Pro + GitHub App</strong>\n  </a><br />\n  <sub><a href=\"https://github.com/apps/ecc-tools\">Install free</a> · <a href=\"https://ecc.tools/pricing\">Private repos from $19/seat/mo</a></sub>\n</td>\n<td width=\"33%\" align=\"center\">\n  <a href=\"https://github.com/sponsors/affaan-m\">\n    <img src=\"assets/images/community/heart.svg\" height=\"42\" alt=\"\" /><br />\n    <strong>Sponsor ECC</strong>\n  </a><br />\n  <sub>Fund the open-source project</sub>\n</td>\n<td width=\"33%\" align=\"center\">\n  <a href=\"https://discord.gg/36yGMHGFbR\">\n    <img src=\"assets/images/community/discord.svg\" height=\"42\" alt=\"Discord\" /><br />\n    <strong>Community</strong>\n  </a><br />\n  <sub>Discord · Q&amp;A · Show and Tell</sub>\n</td>\n</tr>\n</table>\n\n</div>\n\n<sub>**OSS stays free.** This repo is MIT-licensed forever. ECC Pro is the hosted GitHub App for private repos. <a href=\"https://github.com/sponsors/affaan-m\">Sponsors</a> and <a href=\"https://ecc.tools/pricing\">Pro subscribers</a> fund the work. That's why a single maintainer ships weekly across 7 harnesses.</sub>\n\n<div align=\"center\">\n\n<sub><strong>Partners &amp; sponsors</strong></sub>\n\n<p align=\"center\" aria-label=\"Partners and sponsors\">\n  <a href=\"https://www.coderabbit.ai\" title=\"CodeRabbit\"><img src=\"assets/images/sponsors/coderabbit.png\" height=\"54\" alt=\"CodeRabbit\" /></a>&nbsp;&nbsp;&nbsp;\n  <a href=\"https://www.greptile.com/go/ecc\" title=\"Greptile\"><img src=\"assets/images/sponsors/greptile.png\" height=\"54\" alt=\"Greptile\" /></a>&nbsp;&nbsp;&nbsp;\n  <a href=\"https://platform.kimi.ai?aff=ecc\" title=\"Moonshot AI - Kimi\"><picture><source media=\"(prefers-color-scheme: dark)\" srcset=\"assets/images/sponsors/moonshot-dark.png\" /><img src=\"assets/images/sponsors/moonshot.png\" width=\"132\" alt=\"Moonshot AI - Kimi\" /></picture></a>&nbsp;&nbsp;&nbsp;\n  <a href=\"https://compute.itomarkets.com\" title=\"Itô Markets\"><picture><source media=\"(prefers-color-scheme: light)\" srcset=\"assets/images/sponsors/ito-transparent-light.png\" /><img src=\"assets/images/sponsors/ito-transparent.png\" width=\"96\" alt=\"Itô Markets\" /></picture></a>&nbsp;&nbsp;&nbsp;\n  <a href=\"https://serpapi.com/github-ecc\" title=\"SerpApi: Web Search API\"><picture><source media=\"(prefers-color-scheme: dark)\" srcset=\"assets/images/sponsors/serpapi-logo-dark-mode.svg\" /><img src=\"assets/images/sponsors/serpapi-logo-light-mode.svg\" width=\"200\" alt=\"SerpApi: Web Search API\" /></picture></a>\n</p>\n\n<sub><strong>Past sponsors:</strong> <a href=\"https://www.atlascloud.ai/?utm_source=github&amp;utm_medium=link&amp;utm_campaign=ECC\">Atlas Cloud</a></sub>\n\n<sub><strong>Community sponsors:</strong> <a href=\"https://github.com/mikejmorgan-ai\">Mike Morgan</a> · <a href=\"https://github.com/jasonwu513\">@jasonwu513</a> · <a href=\"https://github.com/1anter\">@1anter</a> · <a href=\"https://github.com/massimotodaro\">@massimotodaro</a> · <a href=\"https://github.com/meadmccabe\">@meadmccabe</a></sub>\n\n<sub><a href=\"https://github.com/sponsors/affaan-m\"><strong>Become a Sponsor</strong></a> · <a href=\"SPONSORS.md\">Sponsor Tiers</a> · <a href=\"SPONSORING.md\">Sponsorship Program</a></sub>\n\n</div>\n\n<p align=\"center\"><a href=\"#install-ecc\">Jump to install ↓</a></p>\n\n---\n\n## Install ECC\n\n> [!IMPORTANT]\n> ECC 2.2 includes guided package setup for Claude Code, Codex, and Kimi Code.\n> The universal package requires Node.js 18 or newer. Claude plugin setup also\n> requires Git and Claude Code 2.1 or newer on `PATH`.\n\n---\n\n## Advanced Install Options\n\n<details>\n<summary><strong>Low-context install with no hook runtime</strong></sum","github_created_at":"2026-01-18T00:51:51+00:00","created_at":"2026-07-07T16:34:22.336114+00:00","updated_at":"2026-09-30T23:05:22.853663+00:00","categories":[{"slug":"ai-agents","name":"AI Agents","url":"https://www.graphcanon.com/categories/ai-agents","markdown_url":"https://www.graphcanon.com/categories/ai-agents.md","api_url":"https://www.graphcanon.com/api/graphcanon/categories/ai-agents"},{"slug":"developer-tools","name":"Developer Tools","url":"https://www.graphcanon.com/categories/developer-tools","markdown_url":"https://www.graphcanon.com/categories/developer-tools.md","api_url":"https://www.graphcanon.com/api/graphcanon/categories/developer-tools"},{"slug":"llm-frameworks","name":"LLM Frameworks","url":"https://www.graphcanon.com/categories/llm-frameworks","markdown_url":"https://www.graphcanon.com/categories/llm-frameworks.md","api_url":"https://www.graphcanon.com/api/graphcanon/categories/llm-frameworks"}],"tags":[{"slug":"ai-agents","name":"ai-agents"},{"slug":"anthropic","name":"anthropic"},{"slug":"claude","name":"claude"},{"slug":"claude-code","name":"claude-code"},{"slug":"developer-tools","name":"developer-tools"},{"slug":"llm","name":"llm"},{"slug":"mcp","name":"mcp"},{"slug":"productivity","name":"productivity"}],"trust":{"provenance":{"is_fork":false,"github_id":1136590548,"owner_type":"User","methodology":"github_public_v1","parent_repo":null,"near_duplicate_slugs":[]},"computed_at":"2026-09-18T08:34:25.269Z","maintenance":{"label":"Very active","score":96,"methodology":"github_public_v1","releases_90d":3,"days_since_push":0,"last_release_at":"2026-09-08T17:52:08Z","stars_delta_30d":21135,"open_issues_delta_30d":105},"security_summary":{"status":"ok","scanner":"osv@v1","low_count":0,"high_count":0,"last_scan_at":"2026-09-18T08:34:27.618Z","medium_count":0,"scan_profile":"deps","critical_count":0}},"capability_facts":{"mcp":{"source":"repo_scan","observed_at":"2026-09-18T08:34:24.185Z","server_manifest":false},"scan":{"source":"repo_scan","observed_at":"2026-09-18T08:34:24.185Z"},"has_cli":{"value":true,"source":"package.json:bin|scripts","observed_at":"2026-09-18T08:34:24.185Z"},"languages":{"value":["javascript","typescript","python"],"source":"github.language+package.json+pyproject.toml","observed_at":"2026-09-18T08:34:24.185Z"},"license_spdx":{"value":"MIT","source":"github.license","observed_at":"2026-09-18T08:34:24.185Z"}},"decision_facts":{"hosting":null,"pricing":{"model":"freemium","summary":"ECC offers a free GitHub App for open-source projects, while ECC Pro provides support for private repositories at a cost of $19 per seat per month."},"requirements":{"notes":["ECC is available as a JavaScript tool and can be installed via guided setup or native plugin commands."],"min_ram_gb":null,"requires_docker":false},"constraints":{"min_ram_gb":null,"pricing_model":"freemium","requires_docker":false},"when_to_use":["Use ECC when you need to optimize the performance of AI agents and large language models, particularly if you are working with platforms like Claude Code, Codex, Opencode, or Cursor.","Consider ECC if you require a tool that integrates with GitHub and offers a community-driven support system, including a Discord channel for Q&A and community engagement."],"when_not_to_use":["Avoid ECC if your project does not align with the specific platforms it supports, such as Claude Code, Codex, Opencode, or Cursor.","Do not use ECC if you are looking for a free solution for private repositories, as ECC Pro requires a subscription for private repo support."],"source":"enrich:decision_facts","observed_at":"2026-09-30T23:05:19.634Z"},"constraint_facets":{"min_ram_gb":null,"pricing_model":"freemium","requires_docker":false},"decision_summary":[{"label":"Pricing","value":"freemium - ECC offers a free GitHub App for open-source projects, while ECC Pro provides support for private repositories at a cost of $19 per seat per month."},{"label":"Requirements","value":"ECC is available as a JavaScript tool and can be installed via guided setup or native plugin commands."},{"label":"Adopt for","value":"ECC is an agent harness performance optimization system for AI agents and large language models, emphasizing skills, instincts, memory, security, and research-first development."}]}}