logo BlaBla
Updated

BlaBla is an executable project memory tool for coding agents that moves requirements, architecture, and behavioral intent out of transient chat context into small, queryable contracts.

Pricing Free open source
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Company Petro Yakovyshyn
Pricing model Open Source
Paid plans None listed
Category peers 100
01Overview

It provides a coverage-guided behavior verifier and a static structure verifier to ensure agents maintain project integrity across long sessions.

02Key features
  1. 01

    Behavior contracts for state, actions, and invariants

  2. 02

    Structure contracts for codebase boundaries and dependencies

  3. 03

    Coverage-guided behavior verifier with minimized counterexamples

  4. 04

    Layered GREEN/YELLOW/RED completion gate

  5. 05

    CLI-based agent workflow for status and verification

03Pricing

Open Source

Open-source project available under the MIT license.

04Who it's for

Best for

Maintaining project context and architectural consistency for AI coding agents over long-term development sessions.

Not ideal for

General-purpose software testing, theorem proving, or as a replacement for standard unit testing frameworks.

05Verdict
A promising research-driven tool that effectively reduces agent drift and token usage by enforcing executable contracts, though it remains in an early alpha stage.
ai.dosa.dev editorial · Oct 1, 2026
06Recent updates

Released version 0.5.0-alpha, which introduced structure.bla for static codebase verification and improved completion gate observability.

As of

07Pricing & FAQ
Is BlaBla free?

Yes - BlaBla is Open Source. Open-source project available under the MIT license.

Is BlaBla open source?

Yes - BlaBla is open source. Open-source project available under the MIT license.

Who is BlaBla best for?

Maintaining project context and architectural consistency for AI coding agents over long-term development sessions.

Who is BlaBla not ideal for?

General-purpose software testing, theorem proving, or as a replacement for standard unit testing frameworks.

What are the best BlaBla alternatives?

The closest BlaBla alternatives on ai.dosa.dev are Pieces for Developers, agenttrace, Vibe Kanban - all listed under Developer Productivity & Workflow.

Who makes BlaBla?

BlaBla is developed by Petro Yakovyshyn. It is listed in the Developer Productivity & Workflow category on ai.dosa.dev.

08More in Productivity
09Tags
  • coding-agents
  • verification
  • property-based-testing
  • executable-specification
  • llm
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