{
  "schema": "tesign-radar/item/1",
  "generated_at": "2026-09-17T01:56:13.055Z",
  "lang": "en",
  "slug": "ecc",
  "url": "https://tesign.com/en/item/ecc/",
  "alternates": {
    "ko": {
      "html": "https://tesign.com/item/ecc/",
      "json": "https://tesign.com/item/ecc/index.json",
      "markdown": "https://tesign.com/item/ecc/index.md"
    },
    "en": {
      "html": "https://tesign.com/en/item/ecc/",
      "json": "https://tesign.com/en/item/ecc/index.json",
      "markdown": "https://tesign.com/en/item/ecc/index.md"
    }
  },
  "name": "ecc",
  "use_label": "Skills, memory and security for agents",
  "one_liner": "Adds skills, memory and security rules to a coding agent harness.",
  "text": {
    "why": "Agent configuration tends to accumulate as a few skills here and a few rules there. ecc gathers skills, instincts, memory, security and research-first development into one harness setup and applies it the same way across Claude Code, Codex, Opencode and Cursor. It is written in JavaScript, published under MIT, and has a separate documentation site.",
    "take": "A large bundle of skills, memory and security rules, so pick a profile rather than switching everything on.",
    "build": [
      "One shared baseline agent configuration for the team",
      "A personal rule set that moves intact when you change tools"
    ],
    "who": [
      {
        "role": "Team lead",
        "situation": "gives the whole team one baseline agent setup"
      },
      {
        "role": "Developer",
        "situation": "wants the same rules across Claude Code and Codex"
      }
    ],
    "start": [
      {
        "command": false,
        "text": "Needs Node.js 18+, Git and Claude Code 2.1+"
      },
      {
        "command": true,
        "text": "npx ecc-universal@2.2.1 setup"
      },
      {
        "command": false,
        "text": "Or, in the Claude Code prompt:"
      },
      {
        "command": false,
        "text": "/plugin marketplace add https://github.com/affaan-m/ECC"
      },
      {
        "command": false,
        "text": "/plugin install ecc@ecc"
      },
      {
        "command": false,
        "text": "Do not stack two install methods in one harness"
      }
    ],
    "caveat": [
      "Stacking two install methods in one harness duplicates skills and hooks",
      "Native Windows is supported with open defects in some optional features",
      "Hooks inject context each session (8,000 chars by default), raising token use"
    ]
  },
  "cta": {
    "type": "use_package",
    "label": "USE PACKAGE",
    "url": "https://ecc.tools/"
  },
  "ready": "developer",
  "categories": [
    "ai",
    "dev-tools"
  ],
  "categories_confirmed": true,
  "tags": [
    "agents",
    "harness",
    "mcp"
  ],
  "platform": [
    "windows",
    "macos",
    "linux",
    "cli"
  ],
  "license": {
    "spdx": "MIT",
    "scope": "permissive",
    "scope_text": "Use, change and redistribute, commercially too. Keep the notice.",
    "url": "https://spdx.org/licenses/MIT.html",
    "note": null,
    "open_source": true
  },
  "language": "JavaScript",
  "source_urls": {
    "canonical": "https://ecc.tools/",
    "github": "https://github.com/affaan-m/ecc",
    "huggingface": null,
    "app_store": null,
    "sightings": [
      {
        "source": "github",
        "url": "https://github.com/affaan-m/ecc",
        "posted_at": "2026-09-12T22:00:00.000Z",
        "hn_url": null
      }
    ]
  },
  "numbers": {
    "as_of": "2026-09-16T21:00:00.000Z",
    "stars": 259284,
    "stars_unit": "GitHub stars",
    "stars_checked_at": "2026-09-15T19:33:38.847Z",
    "stars_observed_since_check": 152,
    "star_delta_24h": 124,
    "star_delta_7d": 832,
    "star_delta_30d": 2660,
    "star_delta_unit": "GitHub stars gained in the window, GH Archive events summed to as_of",
    "spark_14d": [
      28,
      406,
      579,
      656,
      110,
      13,
      38,
      55,
      211,
      164,
      116,
      20,
      161,
      101
    ],
    "hf_likes": null,
    "hf_likes_observed_at": null,
    "hn_points": null,
    "hn_points_observed_at": null,
    "store": null,
    "method": "Star total = the value last checked on GitHub (stars_checked_at) + increases observed via GH Archive since. The 24h · 7d · 30d gains are GH Archive hourly events summed to the reference time (as_of). No score of ours."
  },
  "ranks": null,
  "activity": {
    "pushed_at": "2026-09-15T19:33:00.000Z",
    "owner_type": "User",
    "open_issues": 211,
    "contributors": 359,
    "releases_count": 17,
    "latest_release": {
      "tag": "v2.2.1",
      "published_at": "2026-09-08T17:52:08.000Z",
      "prerelease": false
    },
    "checked_at": "2026-09-15T19:33:38.847Z",
    "core_checked_at": "2026-09-15T19:33:38.847Z"
  },
  "signals": [
    {
      "kind": "rising",
      "label": "RISING",
      "value": "+124 ★ / 24h"
    }
  ],
  "images": {
    "og": "https://tesign.com/img/ecc-9ff6213e45.png",
    "cover": "https://tesign.com/img/ecc-9ff6213e45.png",
    "cover_width": 2400,
    "cover_height": 1350,
    "gallery": [
      "https://tesign.com/img/ecc-9ff6213e45.png",
      "https://tesign.com/img/ecc-bc001553f3.png",
      "https://tesign.com/img/ecc-c063790e53.png",
      "https://tesign.com/img/ecc-7d8379daa8.png"
    ],
    "alt": "ECC README banner: headline 'The operating system for AI agent harnesses', harness chips, and skill, agent and command lists.",
    "tier": 2
  },
  "dates": {
    "first_seen_at": "2026-09-13T07:43:22.965Z",
    "source_created_at": "2026-01-18T00:51:51.000Z",
    "discovery_hours": 5718.858879166667,
    "launch_signal_at": "2026-09-12T22:00:00.000Z",
    "kept_at": "2026-09-13T11:32:21.588Z",
    "first_published_at": "2026-09-13T11:32:21.881Z",
    "updated_at": "2026-09-15T07:17:01.042Z",
    "ingestion_mode": "live"
  },
  "notes": [
    "This file was produced by the same build, from the same data, as the tesign.com item page. The text is editorial; the numbers are stored observations.",
    "null in the JSON means not observed — never zero. The Markdown writes [unconfirmed] for it.",
    "Star total = the value last checked on GitHub (stars_checked_at) + increases observed via GH Archive since. The 24h · 7d · 30d gains are GH Archive hourly events summed to the reference time (as_of). No score of ours.",
    "A summary, not legal advice."
  ]
}