python-jsonrpc-server
JSON RPC 2.0 server library
Decision gist · record as of 2026-08-14
Yes, if you need a lightweight JSON RPC 2.0 server implementation with no external dependencies. However, verify the Python version you're targeting and confirm the license status before committing to production use, given the metadata ambiguity around licensing and the gap between the latest release (2020-09-08) and current repository activity.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Python version support is unspecified in metadata despite description mentioning 2.7 and 3.4+ compatibility; verify your target Python version before deployment.
- Low install friction with no runtime dependencies.
- Repository is active with recent commits as of 2026-04-01, though the latest release was in 2020-09-08.
License · maintenance · safety
(unclear) — License treatment is unclear; the description mentions MIT License but the metadata does not confirm this formally, so verify the actual license terms before use.
last release 2020-09-08 (2166 days) · last repo commit 2026-04-01 · 87 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 118,692 downloads/mo, #12,106 on PyPI
Alternatives
Verify before relying
pip install python-jsonrpc-server
import python_jsonrpc_server- Exact Python version support range (description mentions 2.7 and 3.4+ but requires_python is empty)
- Whether MIT License mentioned in description is the authoritative license for this package
- Current maintenance status given latest release was 2020-09-08 despite recent repository activity
What it is and what it does
This package provides a server-side implementation of the JSON RPC 2.0 protocol in Python, enabling applications to receive and process remote procedure calls over a network. It was originally extracted from the Python Language Server project and is designed to handle RPC requests asynchronously using Python's concurrent.futures module, with a backport available for Python 2.7.
The package is typically used as a foundation for building language servers or other RPC-based services that need to communicate with clients over protocols like WebSockets. It has no runtime dependencies, making it lightweight to integrate into existing projects. The repository remains active, though the last packaged release dates to 2020.
Use it for
- Building language servers that communicate with editors or IDEs via JSON RPC over WebSockets
- Implementing RPC endpoints for remote tool invocation in distributed systems
- Creating asynchronous request handlers for client-server architectures using the JSON RPC 2.0 standard
- Integrating RPC capabilities into Python applications that need to expose methods to remote callers
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need a lightweight JSON RPC 2.0 server implementation with no external dependencies.
However, verify the Python version you're targeting and confirm the license status before committing to production use, given the metadata ambiguity around licensing and the gap between the latest release (2020-09-08) and current repository activity.
Install
python-jsonrpc-server on PyPI
Before you install
Low install friction with no runtime dependencies. Repository is active with recent commits as of 2026-04-01, though the latest release was in 2020-09-08.
Python version support is unspecified in metadata despite description mentioning 2.7 and 3.4+ compatibility; verify your target Python version before deployment.
License in practice
License treatment is unclear; the description mentions MIT License but the metadata does not confirm this formally, so verify the actual license terms before use.
Quickstart
pip install python-jsonrpc-server
import python_jsonrpc_serverVerify before relying
- Exact Python version support range (description mentions 2.7 and 3.4+ but requires_python is empty)
- Whether MIT License mentioned in description is the authoritative license for this package
- Current maintenance status given latest release was 2020-09-08 despite recent repository activity
Package facts
| License | Not declared unclear |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 2,166 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 118,692 / month, #12,106 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
Evidence: python_jsonrpc_server-0.4.0-py3-none-any.whl
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