existential-birds/beagle

Agent Skills marketplace: framework-aware skills for code review, documentation, test-plan generation, AI-writing detection, architectural analysis, and git workflows — for Python, Go, Rust, Elixir, React, Remix, and iOS/Swift. Works with Claude Code, Codex, and any agent that supports Agent Skills.

79Stars on the repository
60Mods indexed here, across every type
22d agoLast push, which is what freshness is scored on
Apache-2.0Licence, which decides whether bodies are shown

existential-birds/beagle

Skill Claude CodeCodex

Guides architectural decisions for Deep Agents applications. Use when deciding between Deep Agents vs alternatives, choosing backend strategies, designing subagent systems, or selecting middleware approaches.

79 22d ago A 37 tokens original Apache-2.0

existential-birds/beagle

Skill Claude CodeCodex

Reviews Deep Agents code for bugs, anti-patterns, and improvements. Use when reviewing code that uses createdeepagent, backends, subagents, middleware, or human-in-the-loop patterns. Catches common configuration and usage mistakes.

79 22d ago A 53 tokens original Apache-2.0

existential-birds/beagle

Skill Claude CodeCodex

Implements agents using Deep Agents. Use when building agents with createdeepagent, configuring backends, defining subagents, adding middleware, or setting up human-in-the-loop workflows.

79 22d ago A 42 tokens original Apache-2.0

existential-birds/beagle

Skill Claude CodeCodex

Guides architectural decisions for LangGraph applications. Use when deciding between LangGraph vs alternatives, choosing state management strategies, designing multi-agent systems, or selecting persistence and streaming approaches.

79 22d ago A 40 tokens original Apache-2.0

existential-birds/beagle

Skill Claude CodeCodex

Reviews LangGraph code for bugs, anti-patterns, and improvements. Use when reviewing code that uses StateGraph, nodes, edges, checkpointing, or other LangGraph features. Catches common mistakes in state management, graph structure, and async patterns.

79 22d ago A 56 tokens original Apache-2.0

existential-birds/beagle

Skill Claude CodeCodex

Implements stateful agent graphs using LangGraph. Use when building graphs, adding nodes/edges, defining state schemas, implementing checkpointing, handling interrupts, or creating multi-agent systems with LangGraph.

79 22d ago A 45 tokens original Apache-2.0

existential-birds/beagle

Skill Claude CodeCodex

Create PydanticAI agents with type-safe dependencies, structured outputs, and proper configuration. Use when building AI agents, creating chat systems, or integrating LLMs with Pydantic validation.

79 22d ago A 47 tokens original Apache-2.0

existential-birds/beagle

Skill Claude CodeCodex

Avoid common mistakes and debug issues in PydanticAI agents. Use when encountering errors, unexpected behavior, or when reviewing agent implementations.

79 22d ago A 36 tokens original Apache-2.0

existential-birds/beagle

Skill Claude CodeCodex

Implement dependency injection in PydanticAI agents using RunContext and depstype. Use when agents need database connections, API clients, user context, or any external resources.

79 22d ago A 43 tokens original Apache-2.0

existential-birds/beagle

Skill Claude CodeCodex

Configure LLM providers, use fallback models, handle streaming, and manage model settings in PydanticAI. Use when selecting models, implementing resilience, or optimizing API calls.

79 22d ago A 43 tokens original Apache-2.0

pydantic-ai-testing

11

existential-birds/beagle

Skill Claude CodeCodex

Test PydanticAI agents using TestModel, FunctionModel, VCR cassettes, and inline snapshots. Use when writing unit tests, mocking LLM responses, or recording API interactions.

79 22d ago A 45 tokens original Apache-2.0

existential-birds/beagle

Skill Claude CodeCodex

Register and implement PydanticAI tools with proper context handling, type annotations, and docstrings. Use when adding tool capabilities to agents, implementing function calling, or creating agent actions.

79 22d ago A 44 tokens original Apache-2.0

vercel-ai-sdk

13

existential-birds/beagle

Skill Claude CodeCodex

Vercel AI SDK for building chat interfaces with streaming. Use when implementing useChat hook, handling tool calls, streaming responses, or building chat UI. Triggers on useChat, @ai-sdk/react, UIMessage, ChatStatus, streamText, toUIMessageStreamResponse, addToolOutput, onToolCall, sendMessage.

79 22d ago A 73 tokens original Apache-2.0

existential-birds/beagle

Skill Claude CodeCodex

Use when you need to mine a conversation, session transcript, or design discussion for architectural decisions before writing ADRs. Identifies problem-solution pairs, trade-off debates, technology choices, and explicit "[ADR]" tags. Triggers on "what decisions did we make", "extract decisions from this chat", "find…

79 22d ago A 113 tokens original Apache-2.0

adr-writing

15

existential-birds/beagle

Skill Claude CodeCodex

Use when writing or formatting an ADR document using the MADR template, applying Definition of Done (E.C.A.D.R.) criteria, or verifying ADR completeness. Triggers on "write the ADR", "format as MADR", "check ADR quality", "mark gaps in ADR". Also triggers when a decision has been extracted and needs to become a…

79 22d ago A 104 tokens original Apache-2.0

existential-birds/beagle

Skill Claude CodeCodex

Use when auditing an agent codebase against the 12-Factor Agents methodology, reviewing LLM-powered system architecture, or assessing agentic app compliance. Triggers on "analyze agent architecture", "12-factor audit", "how compliant is this agent", or "evaluate this LLM app". Also applies when comparing frameworks or…

79 22d ago A 93 tokens original Apache-2.0

artifact-analysis

17

existential-birds/beagle

Skill Claude CodeCodex

Use when the user wants a cited, structured read of local documents and project knowledge. Triggers on: "analyze these docs", "scan my project for context", "read the docs folder", "summarize what's in .beagle/concepts/", "extract context from docs/", "what's in this folder", "go read everything in X and tell me…

79 22d ago A 192 tokens original Apache-2.0

brainstorm-beagle

18

existential-birds/beagle

Skill Claude CodeCodex

Use when the user has a fuzzy idea and wants to shape it into a concrete project spec before planning or building. Triggers on: "brainstorm this", "I have an idea for...", "help me think through this project", "what should I build", "spec this out". Also catches vague feature descriptions needing structured…

79 22d ago A 106 tokens original Apache-2.0

llm-judge

19

existential-birds/beagle

Skill Claude CodeCodex

Use when comparing two or more code implementations against a spec or requirements doc. Triggers on "which repo is better", "compare these implementations", "evaluate both solutions", "rank these codebases", or "judge which approach wins". Also covers choosing between competing PRs or vendor submissions solving the…

79 22d ago A 104 tokens original Apache-2.0

prfaq-beagle

20

existential-birds/beagle

Skill Claude CodeCodex

Use when the user wants to pressure-test a product, internal-tool, or OSS concept against Amazon's Working Backwards PRFAQ gauntlet before committing to a spec. Triggers on: "work backwards", "write a PRFAQ", "press release first", "is this idea worth building", "pressure-test this concept", "filter this before…

79 22d ago A 167 tokens original Apache-2.0

quick-plan

21

existential-birds/beagle

Skill Claude CodeCodex

Use when you need a bite-sized, TDD-driven implementation plan but do NOT have a brainstorm-beagle spec to plan against. quick-plan reconstructs intent from the current conversation, fans out domain-expert exploration subagents across the codebase, and synthesizes the same plan format write-plan produces — without…

79 22d ago A 230 tokens original Apache-2.0

resolve-beagle

22

existential-birds/beagle

Skill Claude CodeCodex

Use as the follow-up to brainstorm-beagle when a spec has an Open Questions section (or quietly carries latent gaps) that need closing before planning or implementation can begin. Triggers on: "resolve the open questions", "close the gaps in this spec", "research the open items", "finalize my spec", "make this spec…

79 22d ago A 170 tokens original Apache-2.0

strategy-interview

23

existential-birds/beagle

Skill Claude CodeCodex

Use when the user wants to build or think through a strategy via guided conversation — for a company, product, team, career, or initiative. Triggers on "help me figure out our direction", "what should we focus on", strategic planning, competitive positioning, go-to-market strategy. Also catches indirect requests like…

79 22d ago B 99 tokens original Apache-2.0

strategy-review

24

existential-birds/beagle

Skill Claude CodeCodex

Use when reviewing, critiquing, or stress-testing an existing strategy document. Evaluates seven dimensions — diagnosis quality, guiding policy strength, action coherence, assumption exposure, falsifiability — with optional 7S, Five Forces, Balanced Scorecard, and Hoshin Kanri lenses. Triggers on: review my strategy…

79 22d ago A 107 tokens original Apache-2.0