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seamspec

PyPIInfrastructure

PulseGate's liveness check found it on 3 Oct 2026; it is registered on GitHub and PyPI and has been in the index since 3 Oct 2026. How this is checked

seamspec is an open-source CLI for creating executable specifications around AI coding agents. It helps developers validate working seams and detect regressions as agent-generated code evolves.

Inferred · not functionally tested

Open SourceApache-2.0CLISelf-hosted
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Overview

6 features

Purpose: Testing AI coding agents and preserving working behavior across code changes.

Inferred · not functionally tested

Audience: developers building and testing AI coding agents

Inferred · not functionally tested

Functions: code_generation

Inferred · not functionally tested

Interfaces: API: unknown · MCP: indicated (inferred, not tested) · CLI: indicated (inferred, not tested) · Self-hosting: indicated (inferred, not tested)

Recorded constraints: pricing: open_source · license: Apache-2.0 · platforms: CLI · deployment: cli, self_hosted

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: pypi.org · github.com. These links do not verify the individual claims.

seamspec is a Testing & QA project. Inferred · not functionally tested: It focuses on testing AI coding agents and preserving working behavior across code changes. Inferred · not functionally tested: seamspec is an open-source project aimed at developers building and testing AI coding agents. Basis unknown · not verified: The project is open source (Apache-2.0). Basis unknown · not verified: seamspec is available on the command line, and it can be self-hosted.

It is developed by seamspec, and it first shipped in 2026. Inferred · not functionally tested: Key capabilities include executable specs, AI agent testing, and regression detection. Basis unknown · not verified: Catalogued interfaces include an MCP server.

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

Tasks: Inferred · not functionally tested

  • Executable specs
  • AI agent testing
  • Regression detection
  • MCP support
  • Claude Code support
  • Apache-2.0 license

Topics: Inferred · not functionally tested

Tags
executable-specscoding-agentsregression-testingmcp-tools
AI capabilities
Code
Inference: Local

JSON profile · Text profile · Access guide

Built with & integrations

AI providers
multiple
Connectors
MCP
Runs on
CLISelf-hosted

Trust & compliance

License
Apache-2.0
Public signals
HTTPSOpen SourceFree tierGitHub

Indexing history

3

What PulseGate has recorded for this listing

  1. Indexed5 Oct · 08:07 UTC
    seamspec seen via PyPI Fresh Feed
    Source: PyPI Fresh Feed · Open
  2. Indexed3 Oct · 23:36 UTC
    seamspec seen via PyPI Fresh Feed
    Source: PyPI Fresh Feed · Open
  3. Indexed3 Oct · 22:31 UTC
    seamspec seen via PyPI Bulk Enumerator
    Source: PyPI Bulk Enumerator · Open

Frequently asked questions about seamspec

What is seamspec?
Inferred · not functionally tested: Seamspec focuses on testing AI coding agents and preserving working behavior across code changes. It is catalogued under Testing & QA on PulseGate.
Who should use seamspec?
Inferred · not functionally tested: seamspec is an open-source project built for developers building and testing AI coding agents.
Does seamspec have a free plan?
Basis unknown · not verified: Yes — seamspec is open source under the Apache-2.0 license and free to use.
What platforms does seamspec run on?
Basis unknown · not verified: seamspec runs on the command line. It can also be self-hosted.
Is seamspec still active?
PulseGate's liveness check found it on 3 Oct 2026.
Who makes seamspec?
seamspec is developed by seamspec.
How long has seamspec been around?
seamspec first shipped in 2026.
Is seamspec open source?
Basis unknown · not verified: Yes — seamspec is open source under the Apache-2.0 license, developed on GitHub.

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