{"id":29222781,"url":"https://github.com/muhammadhamzaazhar/react-agent-langchain","last_synced_at":"2026-04-28T10:35:50.174Z","repository":{"id":302023686,"uuid":"1010960948","full_name":"muhammadhamzaazhar/ReAct-Agent-LangChain","owner":"muhammadhamzaazhar","description":"From-scratch implementation of a ReAct agent using LangChain, showcasing manual control over tool invocation, prompt design, and reasoning loop without relying on built-in abstractions.","archived":false,"fork":false,"pushed_at":"2025-06-30T06:01:05.000Z","size":2,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":0,"default_branch":"master","last_synced_at":"2025-06-30T07:22:13.885Z","etag":null,"topics":["langchain","mistral-7b","openrouter","react-agent"],"latest_commit_sha":null,"homepage":"","language":"Python","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/muhammadhamzaazhar.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null}},"created_at":"2025-06-30T05:19:00.000Z","updated_at":"2025-06-30T06:03:53.000Z","dependencies_parsed_at":"2025-06-30T07:32:38.340Z","dependency_job_id":null,"html_url":"https://github.com/muhammadhamzaazhar/ReAct-Agent-LangChain","commit_stats":null,"previous_names":["muhammadhamzaazhar/react-agent-langchain"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/muhammadhamzaazhar/ReAct-Agent-LangChain","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/muhammadhamzaazhar%2FReAct-Agent-LangChain","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/muhammadhamzaazhar%2FReAct-Agent-LangChain/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/muhammadhamzaazhar%2FReAct-Agent-LangChain/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/muhammadhamzaazhar%2FReAct-Agent-LangChain/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/muhammadhamzaazhar","download_url":"https://codeload.github.com/muhammadhamzaazhar/ReAct-Agent-LangChain/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/muhammadhamzaazhar%2FReAct-Agent-LangChain/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":263256548,"owners_count":23438262,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["langchain","mistral-7b","openrouter","react-agent"],"created_at":"2025-07-03T04:02:16.355Z","updated_at":"2026-04-28T10:35:50.120Z","avatar_url":"https://github.com/muhammadhamzaazhar.png","language":"Python","funding_links":[],"categories":[],"sub_categories":[],"readme":"# ReAct Agent from Scratch using LangChain\n\nThis project is a minimal, transparent implementation of a **ReAct (Reasoning and Acting) Agent** built manually using the [LangChain](https://github.com/langchain-ai/langchain) framework.\n\nInstead of relying on high-level abstractions like `initialize_agent`, this repo walks through **how a ReAct agent works under the hood** — from formatting the prompt, invoking tools, to parsing LLM responses.\n\n---\n\n## Features\n\n- Custom ReAct-style Prompt Template\n- Tool execution (e.g., `get_text_length`)\n- Manual ReAct-style reasoning/action loop\n- Intermediate step tracking (scratchpad)\n- Callback handler for logging LLM input/output\n\n---\n\n### **Note**:\n\n\u003e This project uses the **`mistralai/mistral-7b-instruct`** model hosted for **free via [OpenRouter](https://openrouter.ai)**.\n\u003e The model is accessed using the OpenAI-compatible API base\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmuhammadhamzaazhar%2Freact-agent-langchain","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmuhammadhamzaazhar%2Freact-agent-langchain","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmuhammadhamzaazhar%2Freact-agent-langchain/lists"}