Who is toolcontract for?

toolcontract is an open-source project built for developers.

Does toolcontract have a free plan?

Yes — toolcontract is open source under the MIT license and free to use.

What platforms does toolcontract run on?

toolcontract runs on the command line.

Is toolcontract still maintained?

The GitHub repository shows 5 commits in the last 90 days.

Who develops toolcontract?

toolcontract is developed by Divyansh2202.

How long has toolcontract been around?

toolcontract first shipped in 2026.

Is toolcontract open source?

Yes — toolcontract is open source under the MIT license, developed on GitHub.

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toolcontract

Name: toolcontract
Author: Divyansh2202

PyPIInfrastructure

toolcontract provides contract testing specifically for LLM agent tool-calls. It helps developers catch regressions in tool-calling behavior that can occur when LLM providers ship new model versions. Built as a pytest plugin, it integrates into existing test suites for OpenAI and Anthropic-based agents.

Open SourceMITCLI

Visit PyPI

1star

4features

2026since

Overview

4 features

toolcontract sits in PulseGate's Testing & QA category. It focuses on detecting and preventing regressions in LLM agent tool-calling behavior when model providers release new versions. toolcontract is an open-source project aimed at developers. The project is open source (MIT). It ships for the command line.

Divyansh2202 builds and maintains toolcontract, and it first shipped in 2026. The project is developed in the open on GitHub with 5 commits in the last 90 days. Among its 4 catalogued features are Contract Testing, Regression Detection, and Pytest Integration. It exposes integrations via a public API.

Summary written by a language model from the project’s public pages.

Contract Testing
Regression Detection
Pytest Integration
LLM Tool Calls

Built with & integrations

AI providers

openaianthropic

Connectors

API

Runs on

CLI

Trust & compliance

License

MIT

Verified signals

HTTPSOpen Source GitHub · ★ 1Active maintenance

Indexing history

What PulseGate has recorded for this listing

Indexed5 Aug · 04:32 UTC
toolcontract verified against its public source
Source: PulseGate · Open

Frequently asked questions about toolcontract

What does toolcontract do?: Toolcontract focuses on detecting and preventing regressions in LLM agent tool-calling behavior when model providers release new versions. It is catalogued under Testing & QA on PulseGate.
Who is toolcontract for?: toolcontract is an open-source project built for developers.
Does toolcontract have a free plan?: Yes — toolcontract is open source under the MIT license and free to use.
What platforms does toolcontract run on?: toolcontract runs on the command line.
Is toolcontract still maintained?: The GitHub repository shows 5 commits in the last 90 days.
Who develops toolcontract?: toolcontract is developed by Divyansh2202.
How long has toolcontract been around?: toolcontract first shipped in 2026.
Is toolcontract open source?: Yes — toolcontract is open source under the MIT license, developed on GitHub.

At a glance

Platforms: Cli
Languages: English
Open source: Yes · ★ 1
License: MIT
First seen: 5 Aug 2026
Built for: developers
Model: Open source
Solves: Detecting and preventing regressions in LLM agent tool-calling behavior when model providers release new versions.

Registered as

GitHub: Divyansh2202/toolcontract
PyPI: toolcontract

Developer

Divyansh2202

Solo developer

GitHub

Open source

View on GitHub

Stars: 1
Forks: 0
Open issues: 0
Last commit: 5 Aug 2026
Commits 90d: 5
Contributors: 1
Authorship: Solo
Default branch: main

Live coverage

Identity confidence: Low · 64
Indexed: 5 Aug 2026
Lifecycle: Alive
First seen: Aug 2026
Last seen: 5 Aug 2026

Identity audit (13)

Slug: toolcontract-pypi-org
Lifecycle state recorded: 5 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 5 Aug 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Written by a language model from the project's public pages.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model from page content.
Last updated: 5 Aug 2026
Canonical URL: https://pypi.org/project/toolcontract

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