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Basic Information

PySpur is a developer-focused visual playground and framework for building, testing, debugging, and deploying AI agents. It helps AI engineers iterate on agentic workflows faster by providing a UI and Python-based tooling to define test cases, construct agent graphs, run workflows step-by-step, and publish agents as APIs. The README frames PySpur as a solution to prompt tuning, workflow visibility gaps, and terminal-only testing by offering visual traces, human-in-the-loop breakpoints, node-level debugging, and one-click deployment. It supports multimodal inputs, document ingestion for RAG pipelines, and a wide range of LLMs and infrastructure providers. Quick start instructions and development recipes are included, with Python 3.11+ required and a local server option using sqlite by default and a recommended Postgres configuration for production.

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Features
PySpur provides a set of focused capabilities for agent development and operations. Human-in-the-loop breakpoints pause workflows for manual approval. Iterative loops enable repeated tool calling with memory. File upload and URL ingestion support PDFs, video, audio, images, text and code. Structured outputs are managed via a JSON Schema editor. RAG workflows are built-in with parsing, chunking, embedding and vector DB upsert. The platform captures execution traces automatically and includes evals to assess agents on datasets. Integrations and tools include Slack, Google Sheets, GitHub, Firecrawl and many LLM providers and embedders. Developers can add new nodes with a single Python file and deploy agents as APIs with one click.
Use Cases
PySpur reduces development friction by making agent behavior observable, testable and repeatable. Engineers can define test cases to catch regressions, debug at the node level to find failures, and use persistent workflows with human approvals for quality control. Built-in RAG and vector indexing simplify document-driven agents. Traces and evals surface runtime behavior and performance on real-world datasets, speeding iteration and improving reliability. The Python-first design and ability to add nodes quickly lower the barrier for customization. One-click deployment and broad provider support let teams publish agents as APIs and integrate with existing tools. Local development is supported via a dev container or docker compose for consistent environments.

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