MCP.Market

Cc0company MCP server

online · 100% uptime
by cryptomfer·io.github.cryptomfer/cc0company-mcp·v2.0.0
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cc0pedia CC0 database + cc0.company agent services as MCP tools, paid per call via x402 on Base.

B77/100grade B
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Safety scan
B77/100

full report

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Cc0company tools (13, 1 write)

write = sends, deletes, buys or posts
  • cc0-daily-briefFree

    Hourly-refreshed top-5 CC0 NFT collections digest. Returns synchronous JSON with per-collection 24h metrics (volume, sales, floor, holders), cc0pedia editorial context (creator, summary, lore link), and an LLM-synthesized narrative + macro headline. Sources: OpenSea v2 stats, cc0pedia, Anthropic Haiku for synthesis. Cache TTL: hourly. Output license: CC0 — agents may reuse, repost, remix the JSON freely. [PAID: $0.05 USDC per call via x402]

  • cc0pediaFree

    The agentic read API over cc0pedia — the largest machine-readable CC0 database (1,100+ entries: public-domain creators, collections, works). Pay $0.01 USDC per lookup; get ONE entry resolved from a free-text query: provenance, creator, license, on-chain pointers (collection contract addresses / chains / OpenSea), and the full CC0 body. Synchronous JSON, no polling. A miss returns 404 and the payment auto-cancels. Output license: CC0. [PAID: $0.01 USDC per call via x402]

  • cc0pedia-marketFree

    Live market for a CC0 asset by slug/contract — token price/FDV/liquidity/volume or NFT floor/volume/owners. [PAID: $0.01 USDC per call via x402]

  • cc0pedia-searchFree

    Search the largest machine-readable CC0 database — ranked matches (slug, title, kind, license, contract). [PAID: $0.01 USDC per call via x402]

  • cc0pedia-verifyFree

    License oracle: is a contract a documented CC0 work? Returns license + full provenance. [PAID: $0.01 USDC per call via x402]

  • darkfarms-genFree

    Generate crypto Pepe meme art in the style of Darkfarms1 (CC0). Fine-tuned by cc0toshi on a public-domain corpus. Output is public domain (CC0). Caption guide at https://cc0.company/skill/darkfarms-gen.md. Skill + prompt templates on GitHub: https://github.com/cryptomfer/cc0company/blob/main/agent-services/darkfarms-gen.md. [PAID: $0.069 USDC per call via x402]

  • hokusai-genFree

    Edo-period ukiyo-e woodblock prints in the Hokusai style, fine-tuned by cc0toshi on public-domain works — crashing waves, Mount Fuji, fishermen and traders, bold inkwork on natural pigments. Output is public domain (CC0). Caption guide at https://cc0.company/skill/hokusai-gen.md. Skill + prompt templates on GitHub: https://github.com/cryptomfer/cc0company/blob/main/agent-services/hokusai-gen.md. [PAID: $0.069 USDC per call via x402]

  • mfergpt-askFree

    Ask mferGPT anything and get a response in the mfer voice, re-brokered by cc0.company over x402. Third-party service — cc0.company pays the mfergpt upstream as an x402 client and adds a commission of max(5%, 0.005 USDC) — the buyer pays buyer_price_usdc. [PAID: $0.05 USDC per call via x402]

  • mfergpt-loreFree

    Query the mfer lore archive (history, culture, community) by mfergpt, re-brokered by cc0.company over x402. Pass your search as the prompt; returns matching lore excerpts. Third-party service — cc0.company pays the mfergpt upstream as an x402 client and adds a commission of max(5%, 0.005 USDC) — the buyer pays buyer_price_usdc. [PAID: $0.02 USDC per call via x402]

  • mfergpt-mferfyFree

    Turn any image into a mfer in the mferGPT house style, re-brokered by cc0.company over x402. Pass an image URL as the prompt; returns a mferfied image. Third-party service — cc0.company pays the mfergpt upstream as an x402 client and adds a commission of max(5%, 0.005 USDC) — the buyer pays buyer_price_usdc. [PAID: $0.05 USDC per call via x402]

  • monet-genFree

    French impressionist paintings in the Monet style, fine-tuned by cc0toshi on Art Institute of Chicago archival public-domain works — water lilies, haystacks, Rouen Cathedral, gardens at Giverny, soft natural light and broken color. Output is public domain (CC0). Caption guide at https://cc0.company/skill/monet-gen.md. Skill + prompt templates on GitHub: https://github.com/cryptomfer/cc0company/blob/main/agent-services/monet-gen.md. [PAID: $0.069 USDC per call via x402]

  • sartoshi-genFree

    Generate 1/1 hand-drawn mfer art in the style of sartoshi (CC0) — thin wobbly ink lines, naive doodle style. Fine-tuned by cc0toshi on a public-domain corpus. Output is public domain (CC0). Caption guide at https://cc0.company/skill/sartoshi-gen.md. Skill + prompt templates on GitHub: https://github.com/cryptomfer/cc0company/blob/main/agent-services/sartoshi-gen.md. [PAID: $0.069 USDC per call via x402]

  • van-gogh-genwrite actionFree

    Post-impressionist oil paintings in the Van Gogh style, fine-tuned by cc0toshi on Art Institute of Chicago archival public-domain works — visible brushstrokes, swirling skies, wheat fields, cypress trees, self-portraits, sunflowers. Output is public domain (CC0). Caption guide at https://cc0.company/skill/van-gogh-gen.md. Skill + prompt templates on GitHub: https://github.com/cryptomfer/cc0company/blob/main/agent-services/van-gogh-gen.md. [PAID: $0.069 USDC per call via x402]

Public scan report

scanner v0.1.9 · 2026-09-26 · same rubric, same numbers if you re-run it

1 high
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 966ms20/20
  • Tool poisoning13 tool descriptions checked15/15
  • Auth qualityopen endpoint exposes 1 write-action tools with no auth3/15
  • Maintenancelast push 89 days ago12/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Findings (1)

  • highWrite-action tools reachable without authenticationauth.open-write
Overall 77/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Cc0company compares

Against every graded Databases MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
77/100
higher than 40% of 802 Databases servers
Tools
13
the typical Databases server has 8
Tools that change things
8%
typical: 10%. Fewer write tools means less an agent can break
Uptime
100%
of our recent checks; the typical remote Databases server answers 100%
Response time
336 ms
faster than 33% of 292 Databases servers

What its tools let an agent do: 12 read · 1 change

Install Cc0company in Claude Code, Cursor or VS Code

claude mcp add --transport http cc0company-mcp https://cc0.company/api/mcp
Add to Cursor

What the publisher says

From the Cc0company repository's README, as published. We do not edit it. Read it on GitHub

cc0company MCP

The largest machine-readable CC0 database (cc0pedia) + the whole cc0.company agent-services catalog, as a remote Model Context Protocol server. Pay-per-call over x402 (USDC on Base).

Endpoint: https://cc0.company/api/mcp — Streamable HTTP, JSON-RPC 2.0.

What it is

A remote MCP server that turns cc0.company's managed agent services into tools any AI agent can call:

  • cc0pedia read API — look up / search / verify / price any CC0 creator, NFT collection, token or work. Provenance, license, on-chain pointers (contracts, chains, OpenSea slugs) and live market data over the largest structured CC0 database.
  • CC0 image generation — fine-tuned models whose output is public domain.
  • Market data — a daily digest of the top CC0 NFT collections.
  • Third-party agents — re-brokered over x402 (e.g. mfergpt).

Tools are discovered live from the catalog (tools/list), so the set grows over time without changing your client.

Why agents pay

cc0pedia is a public good; serving it to autonomous agents at scale is not. Every tool call is a tiny x402 micropayment — the agentic economy in one request: an agent verifies a CC0 license, pulls provenance + market data, and pays for exactly what it used, with no account and no API key.

Connect

Claude Code

claude mcp add --transport http cc0pedia https://cc0.company/api/mcp

Cursor — .cursor/mcp.json

{ "mcpServers": { "cc0pedia": { "url": "https://cc0.company/api/mcp" } } }

Claude Desktop / claude.ai — Settings → Connectors → Add custom connector → https://cc0.company/api/mcp

Any MCP client — Streamable HTTP transport, the URL above. No auth to connect.

Payment — x402

Every tools/call is a paid x402 request. Free: initialize, tools/list, ping.

Flow: the first call returns HTTP 402 with the challenge in the PAYMENT-REQUIRED header. Your x402 client signs an EIP-3009 USDC authorization and retries with the PAYMENT-SIGNATURE header; the facilitator verifies + settles and the tool runs. Use an x402-enabled client (wrap your MCP transport's fetch with x402). Pay only for what you use: a call that resolves nothing returns a 4xx and the charge is cancelled — you are never billed for an empty answer.

See examples/ for a working free-discovery script and an end-to-end paid call.

Tools

Discovered dynamically — tools/list is the source of truth. At launch:

Quick check (free)

curl -s https://cc0.company/api/mcp \
  -X POST -H 'content-type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list","params":{}}' \
  | jq '.result.tools[].name'

Data license

cc0pedia content is dedicated to the public domain (CC0-1.0) — reuse, repost, remix without attribution. This repository is CC0 too.

Links

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Cc0company: common questions

Is Cc0company MCP server safe?
Mostly: it is graded B (77/100). Read the Cc0company safety report
How do I install Cc0company?
It runs remotely at cc0.company. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Cc0company need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Cc0company maintained?
The last commit was 127 days ago (2026-06-29). The latest release is v2.0.0.
Is Cc0company up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of Cc0company?
Servers from other publishers that do the same job: Run402 MCP server, CogniCore MCP server and DBHub MCP server.
How does Cc0company compare with other Databases MCP servers?
safety score 77/100 (higher than 40% of 802 Databases servers); tools 13 (the typical Databases server has 8); tools that change things 8% (typical: 10%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to Cc0company

Same job from other publishers: the closest match first, then the best rated.

  • Run402
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    B
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  • Neo4j Cypher
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    More from neo4j-contrib →
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  • Appwrite
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