The request names a practice (source-driven development) rather than a product, so no single tool is named. Among the candidates, Planu is a local Spec Driven Development MCP server that locks spec, plan and tasks for coding agents 4, and Kaddo is an open-source Knowledge Driven Development toolkit that keeps a living knowledge layer close to the code 7. Cursor 5 and GitHub 1 are general AI coding and development platforms that can carry such a workflow, though their sources do not descr
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Cursorcursor.comverified and signed
An AI coding agent that turns ideas into code and hands off development tasks to agents 5.
+176 community tools built for it
for agents: principle-build-the-lever · blast-radius · review-and-ship
Sources
- 1GitHub · Change is constant. GitHub keeps you ahead. · GitHub · GitHubgithub.com · read 2026-10-29
- 4Planu Spec Driven Development for AI coding agentsplanu.dev · read 2026-10-29
- 5AI Coding Agent for Building Ambitious Software | Cursorcursor.com · read 2026-10-29
- 7Kaddo | Kaddokaddo.org · read 2026-10-29
For agents: the 10 actions behind this answer
eval-driven-dev · eval-driven-dev verified and signed
Improve AI application with evaluation-driven development. Define eval criteria, instrument the application, build golden datasets, observe and evaluate application runs, analyze results, and produce a concrete action plan for improvements. ALWAYS USE THIS SKILL when the user asks to set up QA, add
clear_source · automated-security-helper found in code, not yet checked
Delete this session's delivered source tree and workspace.
looker_sdk · looker-sdk verified and signed
· Planu website read, tools not yet checked
Local SDD MCP for any coding agent: lock spec, plan, and tasks, then File Manifest patches only. Nine sdd_* tools.
principle-build-the-lever · principle-build-the-lever verified and signed
Apply to any non-trivial work, not just bulk work: edits, migrations, analyses, checks. Build the tool that does it or proves it (codemod, script, generator, or a skill your subagents follow) instead of working by hand. The tool is the artifact a reviewer can rerun.
get_repositories · comdev found in code, not yet checked
Find source code repositories for an Apache project.
· Kaddo website read, tools not yet checked
An open-source Knowledge Driven Development toolkit for AI-assisted software engineering.
extract_data_source_info · opensearch-flux found in code, not yet checked
Extract data source IDs and details from an NDJSON export
· Sourcey MCP · Sourcey website read, tools not yet checked
Document software you build and evaluate software you use. Free, self-hosted docs tools, startup offers and source-backed Agent Readiness reports.
livewire-development · livewire-development verified and signed
Vendor-overridden Livewire skill
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.