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MySpec vs KeepPlain

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

MySpec compared with KeepPlain
DetailMySpec logo MySpecKeepPlain logo KeepPlain
What it doesAI Senior Architect for Spec-Driven Development that generates 4-file spec bundles before you write code Memory, rules and git blame for your coding agents
StageMVP Startup
FoundedNot given Not given
Based inSG DE
Pricing modelFreemium Freemium
PricingFree: 20 projects, 100 spec files, 20 public share links per month. Pro: 5× AI usage limit, 100 projects, unlimited specs. Team: 10× AI usage limit per seat (2 seats minimum), unlimited projects and specs. Free for personal use with all features; Team plan $20 per active seat per month, billed yearly (minimum 3 seats). First 10 teams pay $10 per active seat for 12 months.
Key features
  • 4-file spec bundle generation (constitution, requirements, solution, tasks)
  • Structured interview to clarify scope and edge cases
  • Live Mermaid diagram rendering
  • ZIP export of spec bundle
  • MCP Server integration for IDE agents
  • Greenfield and Brownfield workflow support
  • EARS+ acceptance criteria format
  • Versioned diffs for spec refinement
  • Team collaboration and shared projects
  • Plain-English edits in chat
  • Session storage with secret redaction on local machine before upload
  • Git blame integration showing which agent session wrote each code line
  • Memory across agents allowing pickup of previous work
  • Handoff between agents when Claude hits token limits
  • Rules from corrections that persist across all agent sessions
  • Session condensing showing only key moments and code
  • Team rules reviewed like pull requests before reaching agents
  • Team memory persisting when members leave
  • Session attribution on pull requests showing which commits came from sessions
  • MCP server for agents to search and learn from shared sessions
What makes it different
  • Replaces vague prompts with immutable 4-file architectural contracts to prevent AI hallucinations
  • Senior Architect interview catches edge cases before coding begins
  • Supports both Greenfield and Brownfield project workflows
  • Real sessions only, no fabricated runs, showing actual agent failures and interventions
  • Secrets redacted on your machine before any data leaves, with server-side verification
  • Open source MIT plugin with full control over your data
  • Works with five different coding agents from one plugin
  • Team data stays on your own PostgreSQL server if you choose
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)21 −1 (down) since last check10 no change since last check
Trust Flow (Majestic)112
Citation Flow (Majestic)2735
Referring domains (Majestic)10010

7 details filled in for both companies.

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