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Paritok

Paritok is a Python proxy gateway that sits between coding agents and upstream language models, compressing tool schemas, tool results, file reads and older conversation history before forwarding requests. It provides retrieval methods for original content that has been compressed or filtered.

Independent OpenViST project profile, based on linked sources.

Paritok — OpenViST project profile in Agent Infrastructure.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Paritok when a coding-agent workflow repeatedly sends large tool definitions, file reads, tool outputs or conversation history to an upstream LLM, and you can run a proxy between the agent and that model.

Who it is for

  • Developers running coding agents who want to reduce repeated input context sent to an LLM.
  • Teams or individuals looking to self-host a compression gateway between an agent and its model API.

Documented uses

  • Route coding-agent requests through a local proxy.
  • Reduce repeated tool-schema overhead in agent requests.
  • Compress tool outputs and file reads before forwarding them upstream.
  • Summarize older conversation history as a session's context grows.
  • Retrieve original content when compressed or filtered material is needed.
Before you choose

Requirements & limits

The project is public and licensed under Apache-2.0. The documented self-hosted quick start uses Python 3.11 or later and Ollama.

  • Paritok is middleware between an agent and an LLM, rather than an agent itself.
  • The documented local setup serves the proxy on port 8080 and requires it to remain running while the agent uses it.
  • Tool-schema filtering is an optional installation extra; its first request downloads an embedding model for local use.
  • The README describes original-content retrieval methods for compressed content and filtered tool schemas.
  • Token-saving figures are project-reported estimates and can vary with the request and session.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Set up Paritok as a local proxy

Install and start the local gateway, then point an agent at its local endpoint.

Before you start

  • Python 3.11 or later, as indicated by the repository.
  • Ollama installed for the documented self-hosted quick start.
  • A separate terminal for launching the agent while the proxy remains running.

Steps

  1. Install the gateway with the command below.

    Documented command
    pip install "paritok[proxy]"
  2. Run paritok up; the documented command checks Ollama, obtains the model if needed and serves the proxy on port 8080.

  3. In the shell used to launch the agent, set ANTHROPIC_BASE_URL=http://127.0.0.1:8080, then start the agent.

Expected outcome

The agent sends requests through the locally running Paritok proxy.

Guide limitations

  • The proxy runs in the foreground and must remain running during the agent session.
  • The README says the default q4 model download is about 2.5 GB on first use.
  • This describes the documented setup path, not a separately verified execution.
COMPARE OPTIONS

Compare options for AI coding assistance

These projects document a common task and share a project role. This is a source-based comparison, not an execution benchmark or a guarantee of interchangeability.

ProjectDocumented purposePlatformAccess and requirements
ParitokRoute coding-agent requests through a local proxy.Self-hosted, ServerThe project is public and licensed under Apache-2.0. The documented self-hosted quick start uses Python 3.11 or later and Ollama.
NasikoDetect supported coding-agent CLIs and inspect their versions and configuration locations.CLIThe documented discovery command requires no account. Reporting and routing require an active control plane and valid login. The Docker Compose path requires Docker Engine with Compose V2; the CLI requires Rust 1.85 or later.
SandboxdPrompt a coding agent to build an app in an isolated container and open its preview URL.Docker, Self-hosted, ServerThe self-hosted project is open source under the MIT license. The repository documents a live browser demo with sample data and no installation. Self-hosting requires Docker with the Compose plugin and Git on Linux; macOS via Docker Desktop is best-effort.
Evidence and transparency

Sources & review

Source record details
Source availability
Active
Sources checked
14 October 2026
Original website title
Paritok-official/paritok-4b-v1 · Official homepage title · retained in its source language