Chiemem

Chiemem (chiemem.com) is a Japanese-language marketplace for buying and selling practical AI know-how: prompts, AI development templates and step-by-step guide-style teaching materials, organised into categories such as AI coding, automation and agents, work efficiency, image/video and audio/music. Buyers can read a free portion of each item and check purchaser reviews before purchasing; payments are handled through Stripe and Paidy. The service is operated by 株式会社静紅屋 (Shizukuya Co., Ltd.) of Miyazaki, Japan, per its 特定商取引法に基づく表記 page. It was surfaced through the MCP registry and advertises an MCP path at chiemem.com/mcp that answers 401 without credentials.

Chiemem is listed with 1 API on the APIs.io network. Tagged areas include Company, Marketplace, Prompts, Artificial Intelligence, and Generative AI.

Chiemem’s developer surface includes changelog, authentication, support, and 21 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

28.7/100 thin Agent 21/100 agent aware Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

AccessFreemiumSelf serve⚡ Free to try

1 API 1 MCP Servers

Company Marketplace Prompts Artificial Intelligence Generative AI Digital Content Japan MCP

Kin Score

Kin Score How this is scored →
scored 2026-11-13 · rubric v0.28.0

Composite quality — 28.7/100 · thin

Contract Quality 0.0 / 21

Developer Ergonomics 4.5 / 17

Access Clarity 9.8 / 17

Operational Transparency 1.6 / 11

Contract Governance 1.9 / 10

Discoverability 5.7 / 9

Regulatory Posture 4.0 / 15

Agent readiness — 21/100 · agent aware

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 6 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 6 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the AI & Biometrics regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document Ask about this →
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author Ask about this →
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented) Ask about this →
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes Ask about this →
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0 Ask about this →
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link Ask about this →

8 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 0.0 — up to +25.0 composite points Ask about this →
Developer Ergonomics scores 26.2 — up to +14.8 composite points Ask about this →
Operational Transparency scores 14.3 — up to +11.1 composite points Ask about this →

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Not sure how this applies to your stack? Ask about any one item. Kin Lane reads every question, looks at your profile and your situation, and replies with what a fix would take — scoped to that one area, priced up front, yours whether you ship it or not. Ask a question →

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/chiemem-com/apis.yml: open an issue on github.com/api-evangelist/chiemem-com to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 2

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

Model Context Protocol (MCP)

measured — observed by APIs.io (documented)

Dynamic Client Registration

measured — observed by APIs.io (published)

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Chiemem MCP Server

Remote MCP server (streamable HTTP) that lets AI apps such as Claude and Claude Code connect to a seller's Chiemem account to create and edit drafts (title, description, body, t...

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Chiemem MCP Server

Draft, publish and manage AI prompt/how-to listings on Chiemem (Japan): images, files, sales.

MCP SERVER

Chiemem API pricing

Prices published by Chiemem.

Plan	Price
Free listing	無料の記事に手数料はかかりません。
Paid listing (seller commission)	公開から30日間は販売価格の5%、31日目以降は10%です。

Plan details, limits and sources →

Pricing Plans 1

Published pricing tiers and plan structures.

Chiemem Plans Pricing

2 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Chiemem Rate Limits

0 limits

RATE LIMITS

Terms of Service 1

What its API terms permit and prohibit, quoted from its own page.

Chiemem

5 quoted statements, read from Chiemem's own page on 2026-11-09.

TERMS

Privacy & Data 1

Its role, the data it processes, retention and transfers, quoted from its own privacy page.

Chiemem

15 quoted statements, read from Chiemem's own page on 2026-11-09.

PRIVACY

Eligibility 1

Who may sign up and where, quoted from its own terms.

Chiemem

2 quoted statements, read from Chiemem's own page on 2026-11-09.

ELIGIBILITY

AI Preferences 1

Its stance on AI training, inference and agents, quoted from its own pages.

Chiemem

1 quoted statement, read from Chiemem's own page on 2026-11-09.

AI PREFS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Chiemem Authentication

1 scheme

SECURITY

Chiemem Domain Security

TLSv1.3 · DMARC

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Chiemem Scopes

1 scope

1 scopes

SCOPES

Resources

Get Started 1

Portal, sign-up, and the first successful call

Login

Documentation 1

Reference material describing how the API behaves

AIPreferences

AIPreferences

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

MCPServer

MCPServer

WellKnown

WellKnown

Design & Contract 3

Pagination, idempotency, versioning, errors, and events

Conventions

Conventions

Lifecycle

Lifecycle

Conformance

Conformance

Build 1

SDKs, sample code, and the tooling you integrate with

IntegrationEdges

IntegrationEdges

Access & Security 3

Authentication, authorization, and security posture

Authentication

Authentication

OAuthScopes

OAuthScopes

DomainSecurity

DomainSecurity

Operate 3

Status, limits, changes, and where to get help

ChangeLog

ChangeLog

HelpCenter

HelpCenter

Support

Support

Commercial 4

Pricing, plans, and the legal terms of use

Plans

TermsOfService

PrivacyPolicy

UsageTerms

Company 2

The organization behind the API

Website

Website

Newsroom

Newsroom

Other 4

Properties that don't map to a standard resource type

Hosts

Vendors

DataProcessing

Eligibility

Source (apis.yml)

aid: chiemem-com
name: Chiemem
description: 'Chiemem (chiemem.com) is a Japanese-language marketplace for buying and selling practical AI know-how: prompts,
  AI development templates and step-by-step guide-style teaching materials, organised into categories such as AI coding, automation
  and agents, work efficiency, image/video and audio/music. Buyers can read a free portion of each item and check purchaser
  reviews before purchasing; payments are handled through Stripe and Paidy. The service is operated by 株式会社静紅屋 (Shizukuya
  Co., Ltd.) of Miyazaki, Japan, per its 特定商取引法に基づく表記 page. It was surfaced through the MCP registry and advertises an MCP
  path at chiemem.com/mcp that answers 401 without credentials.'
url: https://artifacts.apis.io/chiemem-com/apis.yml
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-11-03 (modular-v1; was harvest)
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  gated: none
  gated_source:
  - onboarding
  label: Freemium · Self-serve signup
  confidence: high
  probe_state: covered
  source:
  - plans
  - authentication
  - scopes
  - security
  generated: '2026-11-13'
  method: derived
specificationVersion: '0.20'
created: '2026-11-03'
modified: '2026-11-03'
tags:
- Company
- Marketplace
- Prompts
- Artificial Intelligence
- Generative AI
- Digital Content
- Japan
- MCP
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
image: https://chiemem.com/ogp-default.png
common:
- type: Plans
  url: plans/chiemem-com-plans-pricing.yml
- type: ChangeLog
  url: changelog/chiemem-com-changelog.yml
- type: Conventions
  url: conventions/chiemem-com-conventions.yml
- type: Authentication
  url: authentication/chiemem-com-authentication.yml
- type: OAuthScopes
  url: scopes/chiemem-com-scopes.yml
- type: Lifecycle
  url: lifecycle/chiemem-com-lifecycle.yml
- type: Conformance
  url: conformance/chiemem-com-conformance.yml
- type: MCPServer
  url: mcp/chiemem-com-mcp.yml
- type: WellKnown
  url: well-known/chiemem-com-well-known.yml
- type: Hosts
  url: hosts/chiemem-com-hosts.yml
- type: IntegrationEdges
  url: integrations/chiemem-com-integration-edges.yml
- type: Vendors
  url: vendors/chiemem-com-vendors.yml
- type: DomainSecurity
  url: security/chiemem-com-domain-security.yml
- type: Website
  url: https://chiemem.com/
- type: Login
  url: https://chiemem.com/login/
- type: HelpCenter
  url: https://chiemem.com/faq/
- type: Support
  url: https://chiemem.com/contact/
- type: Newsroom
  url: https://chiemem.com/news/
- type: TermsOfService
  url: https://chiemem.com/terms/
- type: PrivacyPolicy
  url: https://chiemem.com/privacy-policy/
- type: UsageTerms
  url: terms/chiemem-com-terms-of-service.yml
- type: DataProcessing
  url: privacy/chiemem-com-privacy-policy.yml
- type: Eligibility
  url: eligibility/chiemem-com-eligibility.yml
- type: AIPreferences
  url: ai-preferences/chiemem-com-ai-preferences.yml
apis:
- aid: chiemem-com:chiemem-mcp-server
  name: Chiemem MCP Server
  description: Remote MCP server (streamable HTTP) that lets AI apps such as Claude and Claude Code connect to a seller's
    Chiemem account to create and edit drafts (title, description, body, type, category, price, tags), add thumbnails, body
    images and attachments, publish or unpublish listings, list and read their own listings, view this month's sales, and
    search public listings. Purchases, payout settings and profile changes are not possible. Access uses OAuth (authorization
    server https://chiemem.com, scope chiemem:publish); the endpoint answers 401 without a bearer token. Documented on the
    Chiemem guide page; registered in the MCP registry as com.chiemem/chiemem v1.1.0. No OpenAPI, AsyncAPI or GraphQL contract
    is published.
  humanURL: https://chiemem.com/guide/ai/
  baseURL: https://chiemem.com/mcp
  tags:
  - MCP
  - Prompts
  - Marketplace
  properties:
  - type: Documentation
    url: https://chiemem.com/guide/ai/
  - type: MCPRegistry
    url: https://registry.modelcontextprotocol.io/v0/servers?search=com.chiemem/chiemem
x-coverage:
  state: covered
  reason: identity-verified
  detail: Website chiemem.com verified (title "Chiemem — プロンプト・AIノウハウを売り買いできるマーケット"); operator 株式会社静紅屋 named on /tokushoho/.
    No developer docs, API reference, GitHub org or pricing page found on the site; MCP path /mcp is opaque (401).
  evidence:
  - url: https://chiemem.com/
    status: 200
  - url: https://chiemem.com/tokushoho/
    status: 200
  - url: https://chiemem.com/faq/
    status: 200
  - url: https://chiemem.com/contact/
    status: 200
  - url: https://chiemem.com/login/
    status: 200
  - url: https://chiemem.com/news/
    status: 200
  - url: https://chiemem.com/terms/
    status: 200
  - url: https://chiemem.com/privacy-policy/
    status: 200
  - url: https://chiemem.com/mcp
    status: 401
x-enrichment:
  date: '2026-11-03'
  status: enriched
  artifacts_added: 18
  pass: modular-v1
  engine: identity=anthropic,contract=anthropic,surfaces=anthropic,docs=anthropic,regulatory=anthropic

Chiemem API — frequently asked questions

Does Chiemem have an API?

Yes. APIs.io lists 1 API from Chiemem, including Chiemem MCP Server.

How do I authenticate with the Chiemem API?

Chiemem documents its authentication (1 scheme). The details are profiled on APIs.io as Chiemem Authentication.

How much does the Chiemem API cost?

Chiemem publishes its prices; its Free listing plan is 無料の記事に手数料はかかりません。 as of 2026-11-03. APIs.io lists 2 pricing plans for Chiemem, with each plan's price, limits and inclusions under Pricing on this page.

Does Chiemem have an MCP server?

Yes. APIs.io lists 1 MCP server for Chiemem: Draft, publish and manage AI prompt/how-to listings on Chiemem (Japan): images, files, sales.

Is the Chiemem API ready for AI agents?

Chiemem has a Kin Score of 28.7 out of 100 (thin) and an Agent Readiness score of 21.1 (agent-aware), scored by API Evangelist on 2026-11-13.

Work with this as data

Every provider here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for providers

9 MCP tools reach this

find_providersBrowse and filter every provider in the catalog.
get_provider_artifactsEvery artifact this provider publishes, grouped by type.
get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
get_provider_ratingPRO — composite, band, trend and facet scores.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

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