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Developer Tools Codex plugins

Codex Plugin Stats: discover plugins, explore their skills and track catalog growth and observed changes.

Explore 5,334 plugins across 14 categories.

Developer Tools plugins 218

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CovalCovalCoval helps teams inspect AI agents, test sets, personas, metrics, and evaluation runs; create and refine evaluation resources; launch ev...

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Coval

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Publisher subtitle

Evaluate voice and chat agents

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Publisher description

Coval helps teams inspect AI agents, test sets, personas, metrics, and evaluation runs; create and refine evaluation resources; launch evaluations; and ask Sofia for read-only analysis grounded in their…

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Developer ToolsVersion 2.0.0
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EvalDossierMiguel HerreroOffline verification and fixed synthetic conformance for portable signed EvalDossier dossiers.

Plugin name

EvalDossier

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evaldossier

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Publisher capabilities · listing

Check signed evaluation dossier integrity offline Report the declared evidentiary basis of a verified dossier Run the fixed synthetic conformance workflow

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Publisher keywords · listing

ai-agents evaluation attestations offline-verification

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Publisher description

Offline verification and fixed synthetic conformance for portable signed EvalDossier dossiers.

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EvalDossier checks incoming signed evaluation dossiers locally before you rely on them. It checks schema conformance, integrity, signatures, and caller-supplied audience and nonce pins, then reports th…

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Developer ToolsVersion 0.2.1
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LovableLovable LabsLovable builds and edits full-stack web apps from natural language. Describe an app and Lovable creates a project, writes the TypeScript,...

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Lovable

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lovable

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Publisher

Lovable Labs

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Publisher description

Lovable builds and edits full-stack web apps from natural language. Describe an app and Lovable creates a project, writes the TypeScript, Tailwind, and shadcn/ui code, and returns a live preview you can…

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Developer ToolsVersion 3.0.0
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Plugin EvalOpenAIEvaluate Codex skills and plugins from chat with a beginner-friendly start command, local-first reports, token budget explanations, and g...

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Plugin Eval

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plugin-eval

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Publisher subtitle

Start from chat, then evaluate or benchmark locally

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Publisher keywords · package

codex plugin skill evaluation quality budget

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Publisher description

Evaluate Codex skills and plugins from chat with a beginner-friendly start command, local-first reports, token budget explanations, and guided benchmarking.

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Ask Codex to evaluate a plugin or skill, give you a full analysis of a named plugin such as game-studio, explain why it scored that way, show what to fix first, explain its token budget, measure real token usage, b…

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Developer ToolsVersion 0.1.2
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SamvaSamvaSamva helps product teams inspect email readiness and delivery activity, send transactional email, and manage domains, senders, webhooks,...

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Samva

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Samva helps product teams inspect email readiness and delivery activity, send transactional email, and manage domains, senders, webhooks, templates, scheduled messages, and campaigns through ChatGPT.

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Developer ToolsVersion 1.0.0
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Vaisala Xweather API & MapsVaisala XweatherXweather Weather API, Raster Maps, MapsGL, and Webhooks — build and run Weather API request URLs, generate static map images and tile URL...

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Vaisala Xweather API & Maps

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Vaisala Xweather

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Publisher description

…and run Weather API request URLs, generate static map images and tile URLs, work with the MapsGL JavaScript, Apple-platform, and Android SDKs, and set up push data delivery.

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Developer ToolsVersion 0.14.1
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Val TownVal TownVal Town helps users create, inspect, run, and deploy apps; manage files, branches, schedules, environment variables, SQLite data, and bl...

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Val Town

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Val Town helps users create, inspect, run, and deploy apps; manage files, branches, schedules, environment variables, SQLite data, and blob storage; and debug executions through ChatGPT.

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Developer ToolsVersion 3.0.0
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VantageVantageVantage is the system of record for allocating and optimizing cloud, SaaS, and AI costs. Vantage has multiple tools for optimizing cloud ...

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Vantage

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vantage

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Publisher description

Vantage is the system of record for allocating and optimizing cloud, SaaS, and AI costs. Vantage has multiple tools for optimizing cloud spend and provides organizations with advanced FinOps workflows…

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Developer ToolsVersion 2.0.1
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VapiVapiSkills for building and testing voice AI agents with Vapi, including assistants, tools, calls, campaigns, squads, phone numbers, webhooks...

Plugin name

Vapi

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Package name

vapi-voice-ai

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Publisher subtitle

Build voice agents with Vapi.

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Publisher keywords · listing

vapi voice-ai agents telephony

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Publisher description

Skills for building and testing voice AI agents with Vapi, including assistants, tools, calls, campaigns, squads, phone numbers, webhooks, structured outputs, prompts, and simulations.

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Publisher full description

Plan, configure, and validate Vapi voice AI workflows with skills for assistants, prompts, tools, calls, campaigns, squads, phone numbers, webhooks, structured outputs, and simulations.

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Developer ToolsVersion 1.2.1
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Better StackBetter Stack, Inc.Observability for AI agents: query your logs, traces, metrics, and errors with SQL, build dashboards and chart alerts, manage uptime moni...

Publisher subtitle

Observability for AI agents

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Observability for AI agents: query your logs, traces, metrics, and errors with SQL, build dashboards and chart alerts, manage uptime monitors, respond to incidents, see who's on-call, and publish status pa…

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Developer ToolsVersion 1.0.0
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Flower상빈 박Build, inspect, and verify Flower workflows and governed business actions for Java.

Publisher subtitle

Java flows & governed actions

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flower java workflow flow-graph action-runtime studio observability testing

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Publisher description

Build, inspect, and verify Flower workflows and governed business actions for Java.

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Java workflows and governed actions that coding agents can build, verify, and maintain. Flower is a lightweight in-JVM workflow runtime for explicit, testable Flow and Step transitions, including persis…

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Developer ToolsVersion 0.3.3
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Honeycombhoneycomb.ioHoneycomb helps users investigate observability data, inspect traces and AI conversations, run queries and BubbleUp analyses, and manage ...

Publisher subtitle

Analyze observability data

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Honeycomb helps users investigate observability data, inspect traces and AI conversations, run queries and BubbleUp analyses, and manage boards, SLOs, triggers, markers, and notification recipients through ChatGPT.

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Developer ToolsVersion 1.0.0
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Honeycomb (EU)honeycomb.ioHoneycomb helps users investigate observability data, inspect traces, AI conversations, and anomaly signals, run queries and BubbleUp ana...

Publisher subtitle

Analyze observability data

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Honeycomb helps users investigate observability data, inspect traces, AI conversations, and anomaly signals, run queries and BubbleUp analyses, manage alerts and dashboards, and follow instrumentation migration guidance through ChatGPT.

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Developer ToolsVersion 1.0.0
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microfnDigital Vibesmicrofn is a sandboxed cloud environment for building, deploying, and running tiny JavaScript functions - designed to be AI-friendly. Giv...

Publisher subtitle

Deploy JavaScript functions

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Publisher description

microfn is a sandboxed cloud environment for building, deploying, and running tiny JavaScript functions - designed to be AI-friendly. Give ChatGPT its own workspace to write functions, deploy them, manage their code and secrets, and run the functions you've already built. With microfn…

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Developer ToolsVersion 1.0.0
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OpscotchOpscotchThe Opscotch MCP Server gives AI assistants direct access to Opscotch knowledge and authoring tools. The MCP server exposes structured t...

Publisher subtitle

Knowledge and Validation

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Publisher description

…ring tools. The MCP server exposes structured tools that allow AI assistants to understand, author, validate, and work with Opscotch applications and workflows. The server is designed for developers using AI coding assistants, and automation engineers who want to build or maintain Opscotch solutions…

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Developer ToolsVersion 1.0.0
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SpaceshipSpaceship, IncSpaceship's app enables domain name availability checking and pricing lookup for single or multiple domains. Users can search for specifi...

Publisher subtitle

Search domain availability

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Spaceship's app enables domain name availability checking and pricing lookup for single or multiple domains. Users can search for specific domains, request alternative suggestions when domains are unavailable, and compare pricing across…

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Developer ToolsVersion 2.0.0
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VeilleWebAPI GroupVeille is an email, domain, phone, IP, VAT, and IBAN validation API for ChatGPT. Check signups, invoices, and traffic before you trust th...

Publisher subtitle

Email & VAT validation

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Veille is an email, domain, phone, IP, VAT, and IBAN validation API for ChatGPT. Check signups, invoices, and traffic before you trust them. Email validation flags disposable inboxes, role accounts, and a 0-100 risk score. Email qualificat…

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Developer ToolsVersion 1.0.0
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Voice Notify for Codexbattle-dollHear private, offline voice alerts when Codex needs attention or finishes work on macOS and Windows.

Publisher subtitle

Private offline Codex alerts

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Publisher description

Hear private, offline voice alerts when Codex needs attention or finishes work on macOS and Windows.

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Hear private, offline voice alerts when Codex needs permission, starts or stops a subagent, compacts context, or finishes work on macOS and Windows. Use guided setup; choose a female or male voice in Korean,…

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Developer ToolsVersion 0.1.7
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Agent ReachRONALD FERRARI SOARESAgent Reach integration skill for routing internet research and read-only retrieval across supported web, social, developer, career, and ...

Publisher capabilities · listing

Research routing Read-only retrieval

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Agent Reach integration skill for routing internet research and read-only retrieval across supported web, social, developer, career, and media sources.

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…h requests through Agent Reach guidance and reference material. External runtime features are only available when the host provides them.

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Developer ToolsVersion 1.5.0
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Anti-ChurnOrbralUse before repeating an agent action to reuse matching evidence, allow valid changed work, and gate only the duplicate local action.

Publisher capabilities · listing

…k before repeated agent actions Reuse matching accepted evidence Allow changed work through typed invalidation Keep rate telemetry advisory Run locally with no credentials

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Use before repeating an agent action to reuse matching evidence, allow valid changed work, and gate only the duplicate local action.

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…local action with accepted evidence, reuses matching results, permits changed work through typed invalidation, and shows what may be skipped versus what still must run. Do not use rate-limit percentage as stop authority; it gates only the duplicate action and never stops the task, publishes, or cha…

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Developer ToolsVersion 0.1.4
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AtReadyRussell Lane WonsleyAdd declared resources through a preview-first conversation, then contribute resource-fit advice to Codex's plan.

Publisher capabilities · listing

Add declared resources with approval Match saved resources to project work Explain constraints, gaps, and omissions

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…cription, person, or agent through a conversational no-write preview and a separate exact save approval. Then bring AtReady a goal, rough plan, or written plan before implementation to match saved tools, services, subscriptions, people, and agents to planner-provided work, expose material constraint…

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Developer ToolsVersion 0.1.14
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Cecil-IA Labs FFmpegCecil-IA LabsProfessional FFmpeg and FFprobe workflows with deterministic CLI, Skills, scripts, hardware acceleration, and declarative media pipelines.

Publisher capabilities · listing

…nd slideshows Diagnose and repair media issues Plan live capture and streaming workflows Author and validate declarative YAML pipelines Select supported hardware acceleration

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…lines. The included Skills prefer the typed @cecilialabs/ffmpeg toolkit when executable tooling is available, with FFprobe preflight, explicit overwrite protection, transactional outputs, structured errors, and optional hardware acceleration. Executable workflows require Node.js 22+ and FFmpeg/FFpro…

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Developer ToolsVersion 2.0.0
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Chronos for CodexDravara, LLCSet up one local Codex Governor for passive task supervision, actionable Heartbeats, Windows diagnostics, and bounded read-only worker co...

Publisher capabilities · listing

…covery Actionable Heartbeats Verified task intervention Windows resource diagnostics Token and approval analysis SQLite churn detection Bounded read-worker coordination

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codex openai windows diagnostics powershell ai-agents sqlite approval-workflows resource-health productivity

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Publisher

Dravara, LLC

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…n one local Governor that discovers active Codex tasks from one complete host inventory per cycle, evaluates actionable Heartbeats, and contacts only the exact affected task when intervention is justified. Optional silent hooks accelerate lifecycle hints without creating model turns. Chronos also di…

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Developer ToolsVersion 0.9.2
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Code AssistantSyed Fasih Haider Raza RizviCode Assistant: an expert coding partner for every programming language and level. Writes complete code and builds full projects, fixes b...

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Writes clean, complete, runnable code in any language, from Python and JavaScript to Java, C#, Go and Rust Finds and fixes bugs and errors, explains the root cause and gives you the corrected code Explains any code line by line in plain words, at a beginner, intermediate o…

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code assistant coding programming debugging code generator code review sql python javascript interview prep

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Developer ToolsVersion 1.0.1
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CRIADOR / ReefRONALD FERRARI SOARESGuidance and references for building continual self-improvement workflows for agents with Reef.

Publisher capabilities · listing

Agent evaluation Self-improvement workflow design

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agents continual-learning self-improvement reef harness evaluation

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Guides structured evaluation, reflection, and iteration for improving agent behavior, prompts, workflows, and reliability.

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Developer ToolsVersion 1.0.0
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HTML Code GeneratorSyed Fasih Haider Raza RizviHTML Code Generator: an expert senior front-end developer that turns any idea, screenshot or design into complete, clean, responsive and ...

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Generates complete, responsive HTML, CSS and JavaScript pages from any idea or description Builds landing pages, full websites, portfolios, business sites, online store pages and blogs Turns screenshots, mockups and Figma designs into clean, pixel…

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html code generator html generator website builder landing page html css javascript tailwind responsive website web design image to html

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…urns any idea, screenshot or design into complete, clean, responsive and accessible HTML, CSS and JavaScript: landing pages, full websites, portfolios, business sites, online store pages, blogs, HTML emails, forms, navigation, UI components, dashboards, tables, mini apps and games, plus Tailwind, Bo…

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Turn ideas, screenshots, and designs into clean, responsive HTML, CSS, and JavaScript. Build landing pages, websites, portfolios, business pages, store pages, blogs, emails, forms, navigation, dashboards, UI components, mini apps, and more. Get help with Tailwind, Bootstrap, a…

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Developer ToolsVersion 1.0.1
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LLM & Agent Builder CopilotKrishna SathvikDesign reliable LLM, tool, MCP, and agent workflows.

Publisher capabilities · listing

…d multi-agent systems Define safe tool schemas, permissions, retries, idempotency, errors, and approval requirements Design manager, handoff, router, parallel-worker, evaluator, and orchestrator patterns Plan MCP tools, resources, prompts, authentication, long-running tasks, and observability Design…

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llm agents mcp tools guardrails evals orchestration

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…ermissions; design state and memory; plan handoffs and orchestration; add guardrails and human approvals; and create eval and observability strategies. It favors structured outputs, least privilege, bounded execution, recoverable state, and simple architectures.

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Developer ToolsVersion 0.1.0
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Matt Skills CuratedMamdouh AboammarCurated engineering, AI/ML, and agentic productivity Skills adapted for ChatGPT and Codex.

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…y-source technical research AI & ML model engineering Self-healing data remediation ML statistical evaluation & metrics Cognitive workspace reasoning (J-space) Autonomous goal contracts Skill conductor authoring & evals Git safety guardrails & pre-commit Workflow design & session handoffs Course sca…

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Developer ToolsVersion 1.1.0
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MCP BoundaryYifei FangComplete MCP engineering work on the active protocol, transport, capability, artifact, runtime, and host path.

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…otocol and transport paths Migrate SDKs, revisions, and runtimes Reconcile source, package, and activation Verify named-host and effect claims

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…s and entrypoints, implements or migrates the real MCP path, reconciles source with package and activated runtime, and keeps host claims inside qualifying observations.

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Developer ToolsVersion 0.2.0
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Mobile App BuilderSyed Fasih Haider Raza RizviMobile App Builder: an expert AI app builder that takes any app idea to the App Store and Google Play. App ideas and validation, specs an...

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Turn any app idea into a full build plan with features, screens, database, and launch steps Validate app ideas with competitor gaps, risks, and quick tests before you build Design app screens, user flows, onboarding, and design systems with phone mockups Plan databases, logic, logins, paymen…

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…r: an expert AI app builder that takes any app idea to the App Store and Google Play. App ideas and validation, specs and PRDs, MVP features, user flows, screen designs and mockups, design systems, onboarding, databases, app logic, user accounts, monetization, payments, push notifications, integrati…

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…iftUI, and Kotlin, plus help with testing, debugging, publishing, ASO, analytics, accessibility, privacy pages, and ongoing maintenance. Responses may include a clearly disclosed Mobile App Builder affiliate link.

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Developer ToolsVersion 1.0.1
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PDF ParserIvypath EducationParse text, scanned, table-heavy, and image-rich PDFs into structured Markdown and JSON with a user-owned LlamaCloud key.

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OCR extraction, PDF-to-Markdown/JSON conversion, table and layout extraction, conversion validation

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…ng each user's own LlamaCloud API key. Preserve page order and layout evidence, keep raw results private, and optionally validate structured question-and-answer deliverables.

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Developer ToolsVersion 1.3.2
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Platform Engineering CopilotKrishna SathvikCloud platform architecture, Kubernetes, IaC, reliability, and developer-platform workflows.

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…ncidents Review Kubernetes probes, requests, limits, disruption budgets, autoscaling, and workload availability Design safer Terraform plans, modules, state workflows, drift controls, approvals, and rollback strategies Plan CI/CD and GitOps workflows with immutable artifacts, environment promotion,…

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platform-engineering cloud kubernetes terraform devops sre gitops observability iam

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…atforms across Kubernetes, containers, infrastructure as code, CI/CD, GitOps, networking, IAM, observability, SRE, and developer-platform workflows. It can review platform architecture, diagnose deployment and cluster incidents, design safer Terraform changes, reason about Kubernetes probes, resourc…

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Developer ToolsVersion 0.1.0
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Plugin AutopilotMamdouh AboammarConvert agentic repositories into focused ChatGPT/Codex plugins, add host workspace operations, execute available Python verification, th...

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…d/search/edit Sandbox Python execution SVG brand identity pack Plugin Directory listing pack Plugin validation Submission preflight Deterministic packaging Reviewer evidence preparation

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…rt agentic repositories into focused ChatGPT/Codex plugins, add host workspace operations, execute available Python verification, then validate, package, and prepare them for submission

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…nd SVG identity, prepares Plugin Directory metadata, executes host-native Python verification when available, validates the package, builds deterministic ZIPs, and prepares reviewer evidence without confusing local proof with public approval.

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Developer ToolsVersion 0.7.0
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Product & App ArchitectKrishna SathvikTurn product ideas and existing apps into focused product plans, UX flows, architecture decisions, and implementation-ready build plans.

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…raw ideas into focused product opportunities and MVPs Audit existing apps and identify the highest-value improvements Write concise PRDs, feature specs, user stories, and acceptance criteria Design UX flows with loading, empty, error, permission, and recovery states Recommend app architecture from…

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Developer ToolsVersion 0.1.0
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RAG & GenAI CopilotKrishna SathvikProduction-focused RAG architecture, debugging, evaluation, security, and reliability.

Publisher capabilities · listing

Design production RAG architectures for quality, freshness, security, latency, and cost Debug retrieval and grounded-generation failures from traces, logs, prompts, and evals Diagnose parsing, chunking, indexing, metadata, filtering, reranking, and context issues Evaluate retrieval quality, grounded…

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rag genai retrieval llm evaluation security observability

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Publisher description

Production-focused RAG architecture, debugging, evaluation, security, and reliability.

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Production RAG & GenAI Copilot helps you design, debug, evaluate, secure, and operate retrieval-augmented generation systems. It can trace failures across ingestion, parsing, chunking, indexing, retrieval, reranking, context construction, generation, citati…

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Developer ToolsVersion 0.1.0
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SkillquiverSaul AlmonteTwenty-three reusable Agent Skills for planning, implementation, review, verification, UI, and system work in ChatGPT and Codex.

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Read project files and relevant local context. Write project files when the user's task authorizes changes. Run host-approved local development commands and tests. Use optional host-provided browser, UI automation, or subagent…

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Developer ToolsVersion 2.1.0
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