← Development OSCONTENT HISTORY

Update to Development OS

Snapshot Oct 24, 2026 · 13:24 UTC · version 4.1.9

WHAT CHANGED

Declared capabilities changed

Full description — Now says: Development OS packages an activation-resilient development session kernel plus coordinated meaning, perspective, proof, and execution specialists.

Observed in instructions or declared skills. Runtime behavior has not been tested.

Save Development OS and check future changes in Following.

Up to 3 plugins free · no card required.

All fields and original values.

Full description

Before

Oct 9, 2026 · 00:10 UTC

Development OS packages the canonical reasoning skills used to shape, build, verify, and govern software work.

After

Oct 24, 2026 · 13:24 UTC

Development OS packages an activation-resilient development session kernel plus coordinated meaning, perspective, proof, and execution specialists.

Long description

Before

Oct 9, 2026 · 00:10 UTC

provides five coordinated reasoning skills for software and digital-product work while remaining independent of any specific repository, provider, or connected tool.

After

Oct 24, 2026 · 13:24 UTC

is a skills-only development reasoning system for software and digital-product work. It keeps one session kernel active while composing specialist skills for product meaning, professional perspective, evidence, and execution.

Short description

Before

Oct 9, 2026 · 00:10 UTC

Effectively create anything.

After

Oct 24, 2026 · 13:24 UTC

Development reasoning system

Declared skills

Before

Oct 9, 2026 · 00:10 UTC

[{"description":"Automatically use for software and digital-product development work. Own the active development session: fresh present intent, stable objective/constraints, stage and mode, authority, scoped authorization, referent-scope...

After

Oct 24, 2026 · 13:24 UTC

[{"description":"Automatically use as the session kernel for software and digital-product development work, including audits, architecture, implementation, debugging, provider operations, waits/resumption, and terse continuation. Own pre...

Compare saved observations

Download comparison JSON
Full technical diff · 15 changed fields

added /is_template_instance

BEFORE
Field was absent
AFTER
false

changed /release/description

BEFORE
"Development OS packages the canonical reasoning skills used to shape, build, verify, and govern software work."
AFTER
"Development OS packages an activation-resilient development session kernel plus coordinated meaning, perspective, proof, and execution specialists."

changed /release/id

BEFORE
"pluginrel_14ba42aad6c08191a6f2ba21af29e7cf"
AFTER
"pluginrel_1e0a6afe7a888191b5da70beeb088dd8"

changed /release/interface/capabilities

BEFORE
[
  "Read"
]
AFTER
[
  "Development workflow",
  "Product reasoning",
  "Evidence verification",
  "Execution guidance"
]

changed /release/interface/category

BEFORE
"Productivity"
AFTER
"Developer Tools"

changed /release/interface/composer_icon_url

BEFORE
"https://files.openai.com/content?id=file_000000002a28821181b5da6ef338b7c1"
AFTER
"https://files.openai.com/content?id=file_00000000a33481f68b24d30a0c2a193b"

changed /release/interface/logo_url

BEFORE
"https://files.openai.com/content?id=file_00000000ddf081f48ae397ccbca4c27f"
AFTER
"https://files.openai.com/content?id=file_000000007a4081f688182796d1503c65"

changed /release/interface/long_description

BEFORE
"Development OS provides five coordinated reasoning skills for software and digital-product work while remaining independent of any specific repository, provider, or connected tool."
AFTER
"Development OS is a skills-only development reasoning system for software and digital-product work. It keeps one session kernel active while composing specialist skills for product meaning, professional perspective, evidence, and execution."

changed /release/interface/plugin_category_id

BEFORE
"productivity"
AFTER
"developer tools"

changed /release/interface/privacy_policy_url

BEFORE
null
AFTER
"https://github.com/pyralisxc/Development-OS/blob/8c118d521f2b24a7463952fe0ae2a9fc07731bcc/PRIVACY.md"

changed /release/interface/short_description

BEFORE
"Effectively create anything."
AFTER
"Development reasoning system"

changed /release/interface/terms_of_service_url

BEFORE
null
AFTER
"https://github.com/pyralisxc/Development-OS/blob/8c118d521f2b24a7463952fe0ae2a9fc07731bcc/TERMS.md"

changed /release/interface/website_url

BEFORE
null
AFTER
"https://github.com/pyralisxc/Development-OS"

changed /release/skills

BEFORE
[
  {
    "description": "Automatically use for software and digital-product development work. Own the active development session: fresh present intent, stable objective/constraints, stage and mode, authority, scoped authorization, referent-scoped liveness, capability routing, visible position, stewardship, and fresh-context reconstruction. Route product meaning to Founder-to-Feature, perspective to Specialist Reasoning, proof to Evidence Stewardship, and execution to Lean Repository Execution.",
    "interface": {
      "brand_color": null,
      "default_prompt": null,
      "display_name": "development-os",
      "icon_large_url": null,
      "icon_small_url": null,
      "iconography": "code",
      "short_description": "Automatically use for software and digital-product development work. Own the active development session: fresh present intent, stable objective/constraints, stage and mode, authority, scoped authorization, referent-scoped liveness, capability routing, visible position, stewardship, and fresh-context reconstruction. Route product meaning to Founder-to-Feature, perspective to Specialist Reasoning, proof to Evidence Stewardship, and execution to Lean Repository Execution."
    },
    "name": "development-os",
    "plugin_release_skill_id": "pluginrsk_6ab41490674c8191a4e5301b9f6ef6ef"
  },
  {
    "description": "Automatically use whenever development work depends on proof, uncertainty, tests, runtime/provider evidence, documentation authority, regressions, acceptance, or deciding what evidence deserves permanence. Manage the transition from uncertainty to justified confidence and preserve durable guarantees without turning every probe into infrastructure.",
    "interface": {
      "brand_color": null,
      "default_prompt": null,
      "display_name": "evidence-stewardship",
      "icon_large_url": null,
      "icon_small_url": null,
      "iconography": "radar",
      "short_description": "Automatically use whenever development work depends on proof, uncertainty, tests, runtime/provider evidence, documentation authority, regressions, acceptance, or deciding what evidence deserves permanence. Manage the transition from uncertainty to justified confidence and preserve durable guarantees without turning every probe into infrastructure."
    },
    "name": "evidence-stewardship",
    "plugin_release_skill_id": "pluginrsk_6ab41490ee748191a99f41f33483891b"
  },
  {
    "description": "Automatically use when development work contains unresolved product meaning: substantial feature ideas, architecture-affecting behavior, workflow redesign, or audit findings that require deciding what should become true. Own Explore → Resolve → Crystallize → Ready for the semantic referent; do not own session state, proof permanence, or implementation mechanics.",
    "interface": {
      "brand_color": null,
      "default_prompt": null,
      "display_name": "founder-to-feature",
      "icon_large_url": null,
      "icon_small_url": null,
      "iconography": "hierarchy",
      "short_description": "Automatically use when development work contains unresolved product meaning: substantial feature ideas, architecture-affecting behavior, workflow redesign, or audit findings that require deciding what should become true. Own Explore → Resolve → Crystallize → Ready for the semantic referent; do not own session state, proof permanence, or implementation mechanics."
    },
    "name": "founder-to-feature",
    "plugin_release_skill_id": "pluginrsk_6ab41491d6b08191a5fd5674d75682cb"
  },
  {
    "description": "Automatically use for authorized implementation, debugging, refactoring, repository/provider operations, verification, and delivery. Own orientation, canonical-owner changes, mutation integrity, execution cadence, verification cadence, recovery, provider operations, and completion while relying on Development OS for intent/authorization and Evidence Stewardship for proof permanence.",
    "interface": {
      "brand_color": null,
      "default_prompt": null,
      "display_name": "lean-repository-execution",
      "icon_large_url": null,
      "icon_small_url": null,
      "iconography": "code",
      "short_description": "Automatically use for authorized implementation, debugging, refactoring, repository/provider operations, verification, and delivery. Own orientation, canonical-owner changes, mutation integrity, execution cadence, verification cadence, recovery, provider operations, and completion while relying on Development OS for intent/authorization and Evidence Stewardship for proof permanence."
    },
    "name": "lean-repository-execution",
    "plugin_release_skill_id": "pluginrsk_6ab4149210288191830e4ca6bd9b3230"
  },
  {
    "description": "Automatically use when professional perspective or materially different representations could improve software/product work. Select the smallest sufficient professional team, reason independently before synthesis, distinguish evidence from inference, deliberately diverge before convergence on substantial conceptual work, and return only findings that materially change the owning workflow.",
    "interface": {
      "brand_color": null,
      "default_prompt": null,
      "display_name": "specialist-reasoning",
      "icon_large_url": null,
      "icon_small_url": null,
      "iconography": "hierarchy",
      "short_description": "Automatically use when professional perspective or materially different representations could improve software/product work. Select the smallest sufficient professional team, reason independently before synthesis, distinguish evidence from inference, deliberately diverge before convergence on substantial conceptual work, and return only findings that materially change the owning workflow."
    },
    "name": "specialist-reasoning",
    "plugin_release_skill_id": "pluginrsk_6ab4149213588191be5a6361848c083a"
  }
]
AFTER
[
  {
    "description": "Automatically use as the session kernel for software and digital-product development work, including audits, architecture, implementation, debugging, provider operations, waits/resumption, and terse continuation. Own present intent, objective/constraints, stage/mode, authority, scoped authorization, referent-scoped liveness, capability routing, stewardship, guided human handoff, and fresh-context reconstruction; co-activate subordinate Development OS specialists when material.",
    "interface": {
      "brand_color": null,
      "default_prompt": null,
      "display_name": "development-os",
      "icon_large_url": null,
      "icon_small_url": null,
      "iconography": "hierarchy",
      "short_description": "Automatically use as the session kernel for software and digital-product development work, including audits, architecture, implementation, debugging, provider operations, waits/resumption, and terse continuation. Own present intent, objective/constraints, stage/mode, authority, scoped authorization, referent-scoped liveness, capability routing, stewardship, guided human handoff, and fresh-context reconstruction; co-activate subordinate Development OS specialists when material."
    },
    "name": "development-os",
    "plugin_release_skill_id": "pluginrsk_6ac29eaf1e448191aa07c44a121932ab"
  },
  {
    "description": "Use with Development OS whenever development work materially depends on proof, uncertainty, tests, runtime/provider evidence, documentation authority, regressions, acceptance, or deciding what evidence deserves permanence. Development OS must remain active as the session kernel; Evidence Stewardship manages the transition from uncertainty to justified confidence.",
    "interface": {
      "brand_color": null,
      "default_prompt": null,
      "display_name": "evidence-stewardship",
      "icon_large_url": null,
      "icon_small_url": null,
      "iconography": "radar",
      "short_description": "Use with Development OS whenever development work materially depends on proof, uncertainty, tests, runtime/provider evidence, documentation authority, regressions, acceptance, or deciding what evidence deserves permanence. Development OS must remain active as the session kernel; Evidence Stewardship manages the transition from uncertainty to justified confidence."
    },
    "name": "evidence-stewardship",
    "plugin_release_skill_id": "pluginrsk_6ac29eaf333c819194dbb876ba0a6e7d"
  },
  {
    "description": "Use with Development OS when development work contains unresolved product meaning: substantial feature ideas, architecture-affecting behavior, workflow redesign, or audit findings that require deciding what should become true. Development OS must remain active as the session kernel; Founder-to-Feature owns Explore → Resolve → Crystallize → Ready for the semantic referent.",
    "interface": {
      "brand_color": null,
      "default_prompt": null,
      "display_name": "founder-to-feature",
      "icon_large_url": null,
      "icon_small_url": null,
      "iconography": "hierarchy",
      "short_description": "Use with Development OS when development work contains unresolved product meaning: substantial feature ideas, architecture-affecting behavior, workflow redesign, or audit findings that require deciding what should become true. Development OS must remain active as the session kernel; Founder-to-Feature owns Explore → Resolve → Crystallize → Ready for the semantic referent."
    },
    "name": "founder-to-feature",
    "plugin_release_skill_id": "pluginrsk_6ac29eb037e48191ab51027f87d2c766"
  },
  {
    "description": "Use with Development OS for authorized implementation, debugging, refactoring, repository/provider operations, verification, and delivery. Development OS must remain active as the session kernel; Lean Repository Execution owns orientation, canonical-owner changes, mutation integrity, execution cadence, recovery, provider operations, and completion.",
    "interface": {
      "brand_color": null,
      "default_prompt": null,
      "display_name": "lean-repository-execution",
      "icon_large_url": null,
      "icon_small_url": null,
      "iconography": "code",
      "short_description": "Use with Development OS for authorized implementation, debugging, refactoring, repository/provider operations, verification, and delivery. Development OS must remain active as the session kernel; Lean Repository Execution owns orientation, canonical-owner changes, mutation integrity, execution cadence, recovery, provider operations, and completion."
    },
    "name": "lean-repository-execution",
    "plugin_release_skill_id": "pluginrsk_6ac29eaf49b081918fb62c00155458a1"
  },
  {
    "description": "Use with Development OS when professional perspective or materially different representations could improve software/product work. Development OS must remain active as the session kernel; Specialist Reasoning selects the smallest sufficient professional team, reasons independently before synthesis, and returns only findings that materially change the owning workflow.",
    "interface": {
      "brand_color": null,
      "default_prompt": null,
      "display_name": "specialist-reasoning",
      "icon_large_url": null,
      "icon_small_url": null,
      "iconography": "hierarchy",
      "short_description": "Use with Development OS when professional perspective or materially different representations could improve software/product work. Development OS must remain active as the session kernel; Specialist Reasoning selects the smallest sufficient professional team, reasons independently before synthesis, and returns only findings that materially change the owning workflow."
    },
    "name": "specialist-reasoning",
    "plugin_release_skill_id": "pluginrsk_6ac29eaf1fb08191902843fce037a31e"
  }
]

changed /release/version

BEFORE
"4.1.6"
AFTER
"4.1.9"
Full snapshot data
{
  "canonical_app_id": null,
  "connector_id": null,
  "created_at": "2026-09-19T08:32:33.683968Z",
  "discoverability": "LISTED",
  "id": "plugins_6aae440b265c8191be7fec056298bb3c",
  "is_template": false,
  "is_template_instance": false,
  "name": "development-os",
  "release": {
    "app_ids": [],
    "app_manifest": null,
    "app_templates": [],
    "description": "Development OS packages an activation-resilient development session kernel plus coordinated meaning, perspective, proof, and execution specialists.",
    "display_name": "Development OS",
    "id": "pluginrel_1e0a6afe7a888191b5da70beeb088dd8",
    "interface": {
      "brand_color": "#0F172A",
      "capabilities": [
        "Development workflow",
        "Product reasoning",
        "Evidence verification",
        "Execution guidance"
      ],
      "category": "Developer Tools",
      "composer_icon_dark_url": null,
      "composer_icon_url": "https://files.openai.com/content?id=file_00000000a33481f68b24d30a0c2a193b",
      "default_prompt": "Use Development OS to inspect this software project.",
      "default_prompts": [
        "Use Development OS to inspect this software project.",
        "Use Development OS to shape this feature before implementation.",
        "Use Development OS to audit and improve this codebase."
      ],
      "developer_name": "Development OS",
      "logo_url": "https://files.openai.com/content?id=file_000000007a4081f688182796d1503c65",
      "logo_url_dark": null,
      "long_description": "Development OS is a skills-only development reasoning system for software and digital-product work. It keeps one session kernel active while composing specialist skills for product meaning, professional perspective, evidence, and execution.",
      "plugin_category_id": "developer tools",
      "privacy_policy_url": "https://github.com/pyralisxc/Development-OS/blob/8c118d521f2b24a7463952fe0ae2a9fc07731bcc/PRIVACY.md",
      "screenshot_urls": [],
      "short_description": "Development reasoning system",
      "terms_of_service_url": "https://github.com/pyralisxc/Development-OS/blob/8c118d521f2b24a7463952fe0ae2a9fc07731bcc/TERMS.md",
      "website_url": "https://github.com/pyralisxc/Development-OS"
    },
    "keywords": [
      "software-development",
      "development-os",
      "reasoning",
      "evidence",
      "execution"
    ],
    "mcp_servers": [],
    "onboarding_skill_name": null,
    "requires_local_executor": false,
    "skills": [
      {
        "description": "Automatically use as the session kernel for software and digital-product development work, including audits, architecture, implementation, debugging, provider operations, waits/resumption, and terse continuation. Own present intent, objective/constraints, stage/mode, authority, scoped authorization, referent-scoped liveness, capability routing, stewardship, guided human handoff, and fresh-context reconstruction; co-activate subordinate Development OS specialists when material.",
        "interface": {
          "brand_color": null,
          "default_prompt": null,
          "display_name": "development-os",
          "icon_large_url": null,
          "icon_small_url": null,
          "iconography": "hierarchy",
          "short_description": "Automatically use as the session kernel for software and digital-product development work, including audits, architecture, implementation, debugging, provider operations, waits/resumption, and terse continuation. Own present intent, objective/constraints, stage/mode, authority, scoped authorization, referent-scoped liveness, capability routing, stewardship, guided human handoff, and fresh-context reconstruction; co-activate subordinate Development OS specialists when material."
        },
        "name": "development-os",
        "plugin_release_skill_id": "pluginrsk_6ac29eaf1e448191aa07c44a121932ab"
      },
      {
        "description": "Use with Development OS whenever development work materially depends on proof, uncertainty, tests, runtime/provider evidence, documentation authority, regressions, acceptance, or deciding what evidence deserves permanence. Development OS must remain active as the session kernel; Evidence Stewardship manages the transition from uncertainty to justified confidence.",
        "interface": {
          "brand_color": null,
          "default_prompt": null,
          "display_name": "evidence-stewardship",
          "icon_large_url": null,
          "icon_small_url": null,
          "iconography": "radar",
          "short_description": "Use with Development OS whenever development work materially depends on proof, uncertainty, tests, runtime/provider evidence, documentation authority, regressions, acceptance, or deciding what evidence deserves permanence. Development OS must remain active as the session kernel; Evidence Stewardship manages the transition from uncertainty to justified confidence."
        },
        "name": "evidence-stewardship",
        "plugin_release_skill_id": "pluginrsk_6ac29eaf333c819194dbb876ba0a6e7d"
      },
      {
        "description": "Use with Development OS when development work contains unresolved product meaning: substantial feature ideas, architecture-affecting behavior, workflow redesign, or audit findings that require deciding what should become true. Development OS must remain active as the session kernel; Founder-to-Feature owns Explore → Resolve → Crystallize → Ready for the semantic referent.",
        "interface": {
          "brand_color": null,
          "default_prompt": null,
          "display_name": "founder-to-feature",
          "icon_large_url": null,
          "icon_small_url": null,
          "iconography": "hierarchy",
          "short_description": "Use with Development OS when development work contains unresolved product meaning: substantial feature ideas, architecture-affecting behavior, workflow redesign, or audit findings that require deciding what should become true. Development OS must remain active as the session kernel; Founder-to-Feature owns Explore → Resolve → Crystallize → Ready for the semantic referent."
        },
        "name": "founder-to-feature",
        "plugin_release_skill_id": "pluginrsk_6ac29eb037e48191ab51027f87d2c766"
      },
      {
        "description": "Use with Development OS for authorized implementation, debugging, refactoring, repository/provider operations, verification, and delivery. Development OS must remain active as the session kernel; Lean Repository Execution owns orientation, canonical-owner changes, mutation integrity, execution cadence, recovery, provider operations, and completion.",
        "interface": {
          "brand_color": null,
          "default_prompt": null,
          "display_name": "lean-repository-execution",
          "icon_large_url": null,
          "icon_small_url": null,
          "iconography": "code",
          "short_description": "Use with Development OS for authorized implementation, debugging, refactoring, repository/provider operations, verification, and delivery. Development OS must remain active as the session kernel; Lean Repository Execution owns orientation, canonical-owner changes, mutation integrity, execution cadence, recovery, provider operations, and completion."
        },
        "name": "lean-repository-execution",
        "plugin_release_skill_id": "pluginrsk_6ac29eaf49b081918fb62c00155458a1"
      },
      {
        "description": "Use with Development OS when professional perspective or materially different representations could improve software/product work. Development OS must remain active as the session kernel; Specialist Reasoning selects the smallest sufficient professional team, reasons independently before synthesis, and returns only findings that materially change the owning workflow.",
        "interface": {
          "brand_color": null,
          "default_prompt": null,
          "display_name": "specialist-reasoning",
          "icon_large_url": null,
          "icon_small_url": null,
          "iconography": "hierarchy",
          "short_description": "Use with Development OS when professional perspective or materially different representations could improve software/product work. Development OS must remain active as the session kernel; Specialist Reasoning selects the smallest sufficient professional team, reasons independently before synthesis, and returns only findings that materially change the owning workflow."
        },
        "name": "specialist-reasoning",
        "plugin_release_skill_id": "pluginrsk_6ac29eaf1fb08191902843fce037a31e"
      }
    ],
    "version": "4.1.9"
  },
  "scope": "GLOBAL",
  "share_url": "https://chatgpt.com/plugins/plugins_6aae440b265c8191be7fec056298bb3c?open_in_app",
  "status": "ENABLED"
}

SHA-256 of public snapshot: 6b72bf987f5fdf1ac847d3b41a51351bd13c6d9e95ba298ef02741f74d898931