anchorpy
The Python Anchor client.
Decision gist · record as of 2026-08-14
Yes, if you are building on Solana and need a Python client for Anchor programs. The package has low install friction and no known vulnerabilities. However, the 506-day gap since the last release and unclear license status warrant verification before committing to production use. Check the repository for the actual license and confirm ongoing maintenance fits your project's support expectations.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python >=3.9.
- Solana network connectivity and a valid Anchor IDL (Interface Definition Language) file are needed to interact with programs.
- Low install friction with a pure-Python wheel.
License · maintenance · safety
(unclear) — License treatment is unclear; no SPDX identifier or raw license text is recorded. Verify the actual license terms in the repository before adopting this package in a commercial or restricted-license context.
last release 2025-03-26 (506 days) · last repo commit 2025-03-26 · 278 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 168,980 downloads/mo, #10,430 on PyPI
Alternatives
Verify before relying
pip install anchorpy
from anchorpy import Program
from solders.keypair import Keypair
# Load and interact with an Anchor program
program = Program.at(program_id, provider)- Whether the package is actively maintained or in maintenance-only mode given the 506-day gap since last release.
- The actual license under which anchorpy is distributed (SPDX and raw license are both null in metadata).
- Whether the 9 runtime dependencies (including solana, solders, borsh-construct) are all actively maintained and compatible with current Solana tooling.
What it is and what it does
AnchorPy bridges Python and Solana's Anchor framework, allowing developers to generate and use type-safe clients for Anchor programs without writing boilerplate. It reads an Anchor program's IDL (Interface Definition Language) and generates either static Python classes or provides a dynamic client interface, similar to the TypeScript anchor-ts library.
The package includes a Pytest plugin for testing Anchor programs in Python, a CLI with development utilities, and integrates with Solana's ecosystem libraries (solders, borsh-construct, based58). It targets developers building on Solana who prefer Python over TypeScript or Rust, or who need Python-based tooling for program interaction and testing.
Use it for
- Generate type-safe Python clients from Anchor IDL files to interact with deployed Solana programs.
- Write integration tests for Anchor programs using the built-in Pytest plugin.
- Automate Solana program interactions in Python scripts or backend services without manual RPC calls.
- Build Python-based tooling and utilities for Anchor program development and deployment.
- Interact with Solana smart contracts from data analysis or machine-learning pipelines.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are building on Solana and need a Python client for Anchor programs.
The package has low install friction and no known vulnerabilities. However, the 506-day gap since the last release and unclear license status warrant verification before committing to production use. Check the repository for the actual license and confirm ongoing maintenance fits your project's support expectations.
Install
anchorpy on PyPI
Before you install
Low install friction with a pure-Python wheel. Maintenance is aging—last release was 506 days ago—but the repository remains active with a recent commit on 2025-03-26 and moderate community interest (278 stars).
Requires Python >=3.9. Solana network connectivity and a valid Anchor IDL (Interface Definition Language) file are needed to interact with programs.
License in practice
License treatment is unclear; no SPDX identifier or raw license text is recorded. Verify the actual license terms in the repository before adopting this package in a commercial or restricted-license context.
Quickstart
pip install anchorpy
from anchorpy import Program
from solders.keypair import Keypair
# Load and interact with an Anchor program
program = Program.at(program_id, provider)Verify before relying
- Whether the package is actively maintained or in maintenance-only mode given the 506-day gap since last release.
- The actual license under which anchorpy is distributed (SPDX and raw license are both null in metadata).
- Whether the 9 runtime dependencies (including solana, solders, borsh-construct) are all actively maintained and compatible with current Solana tooling.
Package facts
| License | Not declared unclear |
| Python support | Supports the current Python release ~=3.9 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 9 packagesanchorpy-corebased58borsh-constructconstruct-typingpyhecksolanasolderstomltoolz |
| Maintenance | Aging 506 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 168,980 / month, #10,430 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
Evidence: anchorpy-0.21.0-py3-none-any.whl
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See also anchorpy-core · solana · cosmpy · web3 · tronpy · cdp-sdk · aptos-sdk · injective-py · chia-puzzles-py · eth-brownie