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Turn Linear tickets and GitHub issues into tested draft pull requests.

Sinatra is an autonomous coding agent that takes work from Linear or GitHub, reads the relevant repository, writes a change, runs tests, and opens a draft pull request. Teams review the result in GitHub and can request follow-up changes in the PR thread.

Agenticness = how independently a tool can take action, scored across 9 dimensions. Scored independently by David Kooi, Skylark Creations — see full rubric → Last re-evaluated 12 September 2026.

See pricing ↓

Free Tier
Web
Code Execution
Integrations
B2B
Cloud Hosted
Semi-Autonomous
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About

What It Is

Sinatra is a cloud-hosted coding agent for teams that manage engineering work in Linear and GitHub. You assign it a Linear issue or apply a Sinatra label to a GitHub issue; it then works through the task in a repository and returns a draft pull...

What to Know

Sinatra is meaningfully agentic for bounded software tasks: it can create branches and diffs, execute a configured test suite, open draft PRs, self-review against the ticket, and revise the same branch after reviewer feedback. Keeping the handoff in...

Key Features
Accepts work through Linear issue assignment or a Sinatra label on GitHub issues
Reads the repository and creates a dedicated branch for each task
Plans and writes code changes from an assigned ticket or issue
Runs a repository-configured test command and attempts to fix failures
Opens draft GitHub pull requests with a written summary and self-review notes
Use Cases
Hand off a well-scoped Linear engineering ticket and receive a tested draft PR for review
Label a GitHub bug or maintenance issue for implementation without moving work into a separate coding interface
Use the agent for routine refactors where a reviewer can validate the resulting diff and test results
Agenticness: Domain Specialist

Handles domain-specific workflows independently with dynamic replanning.

High evidence
Last evaluated: Sep 12, 2026

Dimension Breakdown

Action Capability
Planning
Adaptation
State & Memory
Reliability
Interoperability
Safety
Operator Sovereignty

Categories

Pricing
  • Free: $0 forever; 5 tasks per day using your own API key or subscription, with up to 1 daily task on Sinatra-managed credentials within that same limit. No card required.
  • Monthly ($20/member/mo): Hosted sandbox and orchestration, GitHub and Linear support, managed or bring-your-own models, and PR review-thread replies. Model usage is billed at provider rates.
  • Enterprise: Custom annual contract with security requirement scoping, support/SLA discussions, and custom contract terms.
Details
AddedSeptember 12, 2026
RefreshedSeptember 12, 2026
Quick Facts
DeploymentCloud-hosted
AutonomySemi-autonomous
Model supportMulti-model
Open sourceNo
Team supportEnterprise
Pricing modelFreemium
Interfacegui, api
Sources
Last updated September 12, 2026
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