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Category
Developer Tools
Rank
No. 1136Tools index

Previous survey · No. 1127 ·

Pricing
Open Source
Type
TOOL
Use case
Agent Building
Interfaces
Agent Skill / Plugin
GitHub
274 stars
Latest release
v0.10.0
Date

About

Posthorse is an extension for the fitchmultz/pi fork of the Pi coding agent that manages context window rollovers without summarization. It provides tools for atomic context resets, durable notes, and searchable transcript history so a model can continue work on a fresh context window while preserving a complete, recoverable session record.

What it does

According to its GitHub page, this is an extension for a modified fork of the Pi coding agent that manages long sessions without summarizing. It adds tools for starting a fresh context window, keeping durable notes, and searching past transcript history so work can continue after a rollover.

Stated on the product site

License
The page lists the project under the MIT license.
Install method
Installed as a package into the Pi fork through the pi command line tool, from either a Git source or npm.
Runtime requirement
The page states a minimum Node.js version for running the extension.
Network behavior
The page states the extension does not make network requests on its own.
Data storage
Notes are described as plain text files rather than entries in a database or remote service.

Not stated on the site

  • The page does not state which operating systems the extension supports beyond naming a required Node.js version.
  • The page does not state pricing, since the project is described only as a component installed into a separate coding agent fork rather than a standalone paid or free product.
  • The page does not state who maintains or funds the project beyond the individual account it is published under.

Written from the product site at github.com.

What it can do

  • Store durable notes across context rollovers

    Note text → Saved note

  • Search transcript history of past sessions

    Search query → Matching transcript entries

Tags

coding-agentcontext-windowllmpiextensiondeveloper-toolssession-management

Tech Stack

Node.jsTypeScript

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Editorially curated, with community endorsements as a secondary signal. Corrections welcome.