Products

CompletionKit

Uses AIMCPSkill

Change your AI with confidence, not crossed fingers.

completionkit.com SourceBUSL-1.1 RedditAI Models & Agents / Prompts, Evals & LLM Observability

AI Benchmark
Desktop
Mobile
Monthly visits
<5K
Sep 2026
Public revenue
Undisclosed
No public revenue evidence yet
Entry price
$29/mo
Higher than 52% of peersNiche median $21.6/mo
Creators
Damien Bastin
@damienbastin· 14 followersCo-created with Paytools
Launched
24mo ago
2024-12-04 · Est.

Traffic

Monthly visitsData through Sep 2026

Marketing moves

Launches, search & content, referrals, promotions
X accounts@damienbastin@paytoolsau

  • Launched on IndiePageLaunch

    CompletionKit — Building CompletionKit — your prompts need tests too. It runs prompts against real datasets, judges the responses with metrics, and keeps a versioned trail of what worked. Use it three ways: hosted at completionkit.com, self-hosted as a standalone Rails app on your own infra, or mounted as an engine inside an existing…

    Dec 4, 2024 · 24mo agoLaunch page

Open Source & Agent Ecosystem

GitHub · MCP / Skill
homemade-software-inc/completion-kit
Last commit 2026-09-17
GitHub Stars
Public repo
Forks
—
License
BUSL-1.1
Primary language
Ruby
Browse peer open-source projects →

Agent, MCP & Developer Integration

MCP ServerAgent Skill
Integration docs
Ecosystem & integrations:
OpenAIAnthropicAzure AI FoundryOllamaOpenRouterClaude CodeCursorClaude
Exposed tool capabilities:
Model EvaluationPrompt ManagementScore against your metricsIterateGrading production logsAuditing hand-written examples
Browse all MCP Server products →

Traffic sources

Sep 2026

Traffic breakdown

Channels

  • Direct36%
  • Organic Search31%
  • Referrals12%
  • Social7%
  • Other14%

Countries

  • India100%

Search

Domain authority —Domain registered 2024-11-25

No search keyword data for this website yet.

Traffic data: Vaneform

Pricing

Free
$0 forever
Starter
$29/mo
200 runs / month · 10,000 prompt fetches / month · 10 members · Unlimited prompts & datasets
Team
$99/mo
2,000 runs / month · 100,000 prompt fetches / month · Unlimited members · Unlimited prompts & datasets
Business
Contact sales
Unlimited runs / month · Unlimited prompt fetches / month · Unlimited members · Unlimited prompts & datasets

Trial: None · 2 paid tiers ($29–$99) · Enterprise custom tier · Observed 2026-11-04 · Pricing page

Entry price $29/mo, Higher than 52% of peers; “Prompts, Evals & LLM Observability” median is $21.6/mo.View pricing benchmark

Pages & changes

Tracked since 2026-09-15

Key pages

Weekly snapshots

Changes

No pricing, plan, or positioning changes detected since tracking started.

Questions & evidence

How much does CompletionKit cost?
Free: $0 forever; Starter: $29/mo; Team: $99/mo; Business: Contact sales. Observed 2026-11-04. Check the source for current billing terms, usage limits and taxes.Source
How much website traffic does CompletionKit get?
Vaneform estimates <5K website visits in 2026-09. Visits can include repeat visits; this estimate does not measure paying customers or revenue.Source

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AI Models & Agents / Prompts, Evals & LLM Observability

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