added cursor support by srt0422 · Pull Request #240 · subsy/ralph-tui

srt0422 · 2026-01-29T21:44:57Z

Summary by CodeRabbit

New Features
- Cursor Agent CLI added as a new agent option with configurable model, execution mode and force support; integrated into the skill installer.
- Supports streamed agent output and richer output parsing for more reliable real-time feedback.
Tests
- Comprehensive test coverage added for initialization, setup/validation, output parsing and error handling.
Chores
- Package version bumped.

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vercel · 2026-01-29T21:45:01Z

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coderabbitai · 2026-01-29T21:45:23Z

Walkthrough

Adds a new Cursor Agent plugin with CLI integration, JSONL parsing utilities, registration in builtin agents, skill-installer mapping, and comprehensive tests validating setup, argument formation, execution and output parsing.

Changes

Cohort / File(s)	Summary
Cursor Agent Plugin Implementation `src/plugins/agents/builtin/cursor.ts`	New CursorAgentPlugin class plus helper functions: `extractErrorMessage()`, `parseCursorJsonLine()`, `parseCursorOutputToEvents()`. Implements detection, version probe, CLI arg building, stdin streaming, JSONL buffering/parsing, setup/validation and execution hooks.
Cursor Agent Tests `src/plugins/agents/builtin/cursor.test.ts`	New comprehensive test suite covering metadata, initialization variants, setup questions and validation, sandbox requirements, argument construction, protected-method behaviour, error extraction, JSONL line parsing and multi-line aggregation including edge cases.
Builtin Agents Registry `src/plugins/agents/builtin/index.ts`	Registers and re-exports the Cursor agent factory and plugin type in the builtin agents registry.
Skill Installer Mapping `src/setup/skill-installer.ts`	Adds `cursor: 'cursor'` to `AGENT_ID_MAP` to enable adding the Cursor agent via skill installer.
Package Version `package.json`	Version bump (0.6.0 → 0.6.1).

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant Agent as CursorAgentPlugin
    participant CLI as Cursor CLI
    participant Parser as JSONL Parser
    participant Events as Event System

    User->>Agent: execute(prompt)
    Agent->>Agent: buildArgs()
    Agent->>CLI: spawn with args + stdin
    CLI-->>Agent: stdout (JSONL lines / partial lines)

    loop per received chunk/line
        Agent->>Parser: parseCursorOutputToEvents(chunk)
        Parser-->>Agent: AgentDisplayEvent[]
        Agent->>Events: onStdout / onJsonlMessage (forward events)
    end

    CLI-->>Agent: stdout end
    Agent->>Agent: flush buffers
    Agent->>Events: onEnd()
    Events-->>User: finalised event stream

Estimated code review effort

🎯 4 (Complex) | ⏱️ ~45 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'added cursor support' accurately summarises the main change—introducing Cursor Agent CLI plugin support across the codebase.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.

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Post copyable unit tests in a comment

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Remove special handling for nested tool_call object format. The cursor agent now uses the standard event.name and event.input fields directly.

vercel · 2026-01-30T12:08:34Z

The latest updates on your projects. Learn more about Vercel for GitHub.

1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
ralph-tui	Ignored	Preview	Jan 30, 2026 0:08am

codecov · 2026-01-30T12:10:25Z

Codecov Report

❌ Patch coverage is 51.42180% with 205 lines in your changes missing coverage. Please review.
✅ Project coverage is 45.55%. Comparing base (b0c08d6) to head (ab45426).
⚠️ Report is 140 commits behind head on main.

Files with missing lines	Patch %	Lines
src/plugins/agents/builtin/cursor.ts	50.95%	205 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #240      +/-   ##
==========================================
+ Coverage   45.45%   45.55%   +0.10%     
==========================================
  Files          84       85       +1     
  Lines       24396    24818     +422     
==========================================
+ Hits        11088    11305     +217     
- Misses      13308    13513     +205

Files with missing lines	Coverage Δ
src/plugins/agents/builtin/index.ts	`92.00% <100.00%> (+1.09%)`	⬆️
src/setup/skill-installer.ts	`66.48% <100.00%> (+0.18%)`	⬆️
src/plugins/agents/builtin/cursor.ts	`50.95% <50.95%> (ø)`

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subsy · 2026-01-30T12:19:48Z

@srt0422 thanks for this. Can you please:

add accompanying website documentation
remove the package.json version bump

Thanks!

added cursor support

47e8bd9

Scott Terry added 2 commits January 29, 2026 15:46

refactor: simplify cursor tool_call parsing

9975644

Remove special handling for nested tool_call object format. The cursor agent now uses the standard event.name and event.input fields directly.

chore: bump version to 0.6.1

ab45426

subsy mentioned this pull request Feb 3, 2026

feat(agents): add Cursor agent support with improvements #264

Merged

4 tasks

subsy closed this pull request by merging all changes into subsy:main in 952550d Feb 3, 2026

coderabbitai bot mentioned this pull request Feb 6, 2026

feat: added github copilot agent plugin #286

Merged

coderabbitai bot mentioned this pull request Feb 18, 2026

feat: add Kimi CLI agent plugin #306

Merged

13 tasks

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added cursor support#240

added cursor support#240
3 commits merged intosubsy:mainfrom
allora-network:feature-cursor-support

srt0422 commented Jan 29, 2026 •

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Walkthrough

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