nanocode
nanocode is a small SDK for embedding frontier-model agents inside your own apps and tools. It provides the agent loop, tool calling and session handling for models such as Claude and GPT in a compact codebase, so developers can ship a capable embedded agent without adopting a heavy framework.
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About nanocode
nanocode is listed in our frameworks category and is aimed at builders. nanocode is a small SDK for embedding frontier-model agents inside your own apps and tools. It provides the agent loop, tool calling and session handling for models such as Claude and GPT in a compact codebase, so developers can ship a capable embedded agent without adopting a heavy framework. Pricing, as the maker states it: Open source. Maturity: Active. We last checked the official link on 2026-10-23.
nanocode at a glance
- Category: Frameworks
- Built for: Developers and teams building with AI agents
- Pricing: Open source (as the maker states it)
- GitHub: gakonst/nanocode · 582 stars (as of Oct 23, 2026)
- Official site: nanocode.xyz
- Listed on AgentScout: Oct 23, 2026
nanocode FAQ
What is nanocode?
nanocode is a small SDK for embedding frontier-model agents inside your own apps and tools. It provides the agent loop, tool calling and session handling for models such as Claude and GPT in a compact codebase, so developers can ship a capable embedded agent without adopting a heavy framework.
How much does nanocode cost?
nanocode's pricing, as the maker states it: Open source. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Where can I find nanocode's source code?
On GitHub at gakonst/nanocode, which had 582 stars as of Oct 23, 2026.
What are alternatives to nanocode?
Similar tools include TanStack AI, Claude Agent SDK (Python), Mirascope, Orca Agent Engine, Evolver and OpenGAP.
Facts from our link-checked listing, the GitHub repository and the official site. See something wrong? Suggest an edit.
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nanocode alternatives
Other frameworks tools in our directory. See all frameworks tools →
TanStack AI
Type-safe, provider-agnostic TypeScript SDK for chat, tool calling and agents.
Claude Agent SDK (Python)
Anthropic's Python SDK for building agents on Claude Code's agent loop, with the CLI bundled, custom tools and hooks.
Mirascope
Lightweight Python library for calling any LLM with typed outputs and tools through one interface, without a heavy framework.
Orca Agent Engine
Open Apache-2.0 runtime to build, run, and govern managed agents with choice of harness (Claude Agent SDK, Codex, Pi) and model; open-sourced Oct 6, 2026 (Developer Preview).
Evolver
Self-evolving engine for AI agents with auditable genes, capsules and events.
OpenGAP
Framework-agnostic, git-native standard and CLI for defining AI agents so a repository becomes a runnable agent.
Related lists
🏆 See also: AutoGen alternatives · All best-of lists
💲 Estimate API cost: compare per-request and monthly costs for GPT, Claude, Gemini and Grok models.
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