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Agent field guideCoding harness

Pi

situational

Mario Zechner · beta · osi-open-source

Minimal open coding-agent toolkit: TUI, SDK, RPC, extend instead of feature-bloat.

Visit pi.dev →Open in NoemiumCatalog cardSource verified 2026-08-26

ledger entry · observed by @whysanesanders

Minimal on purpose. If you wanted batteries included, this is the wrong product. If you wanted a core, it is the point.

layer

Coding harness

maturity

beta

deployment

local

evidence

Source verified

Install

command · npm

npm i -g @mariozechner/pi-coding-agent
official install source →

Best for

  • People who want a small harness they can extend
  • RPC/SDK integration rather than a full IDE

Requirements

  • Node.js
  • A model provider

Real cost scenarios

Harness only

$0/mo

Packages are free. You pay the model.

Models and providers

BYOK — 15+ providers documented on the site

Channels and surfaces

TUISDKRPC

Security boundary

high privilege

Local. RPC widens the surface if you expose it.

  • Do not expose the RPC port to the network.
  • Extensions are code you run.

Known limitations

  • You assemble the product around the core.
  • Not a team control plane.

Typed evidence

  1. 1Availabilitypi.devchecked 2026-08-26
  2. 2Installpi.devchecked 2026-08-26
  3. 3Requirementspi.devchecked 2026-08-26
  4. 4Pricingpi.devchecked 2026-08-26
  5. 5Security / threat modelpi.devchecked 2026-08-26
  6. 6Licensepi.devchecked 2026-08-26

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