{
  "markdown": "# cc0company MCP\n\n> 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).\n\n**Endpoint:** `https://cc0.company/api/mcp` — Streamable HTTP, JSON-RPC 2.0.\n\n---\n\n## What it is\n\nA remote MCP server that turns cc0.company's managed agent services into tools any AI agent can call:\n\n- **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.\n- **CC0 image generation** — fine-tuned models whose output is public domain.\n- **Market data** — a daily digest of the top CC0 NFT collections.\n- **Third-party agents** — re-brokered over x402 (e.g. mfergpt).\n\nTools are discovered **live** from the catalog (`tools/list`), so the set grows over time without changing your client.\n\n## Why agents pay\n\ncc0pedia 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.\n\n## Connect\n\n**Claude Code**\n```bash\nclaude mcp add --transport http cc0pedia https://cc0.company/api/mcp\n```\n\n**Cursor** — `.cursor/mcp.json`\n```json\n{ \"mcpServers\": { \"cc0pedia\": { \"url\": \"https://cc0.company/api/mcp\" } } }\n```\n\n**Claude Desktop / claude.ai** — Settings → Connectors → *Add custom connector* → `https://cc0.company/api/mcp`\n\n**Any MCP client** — Streamable HTTP transport, the URL above. No auth to connect.\n\n## Payment — x402\n\nEvery `tools/call` is a paid x402 request. **Free:** `initialize`, `tools/list`, `ping`.\n\n| | |\n|---|---|\n| Protocol | x402 v2 |\n| Network | Base mainnet — `eip155:8453` |\n| Asset | USDC — `0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913` |\n| Scheme | `exact` (fixed price per call) |\n| Facilitator | Coinbase CDP |\n\n**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.\n\nSee [`examples/`](./examples) for a working free-discovery script and an end-to-end paid call.\n\n## Tools\n\nDiscovered dynamically — `tools/list` is the source of truth. At launch:\n\n| Tool | Price | What it does |\n|---|---|---|\n| `cc0pedia` | $0.01 | Resolve one CC0 creator/collection/work by name or slug → provenance, license, on-chain pointers, full CC0 body |\n| `cc0pedia-search` | $0.01 | Ranked free-text search across the CC0 database |\n| `cc0pedia-verify` | $0.01 | License oracle — is a contract a documented CC0 work? + full provenance |\n| `cc0pedia-market` | $0.01 | Live market for a CC0 asset — token price/FDV/liquidity/volume, or NFT floor/volume/owners |\n| `cc0-daily-brief` | $0.05 | Hourly digest of the top CC0 NFT collections by 24h volume |\n| `sartoshi-gen` · `darkfarms-gen` · `hokusai-gen` · `van-gogh-gen` · `monet-gen` | $0.069 | CC0 image generation (async — returns a `job_id` to poll) |\n| `mfergpt-ask` · `mfergpt-lore` · `mfergpt-mferfy` | varies | Third-party mfergpt services, re-brokered over x402 |\n\n## Quick check (free)\n\n```bash\ncurl -s https://cc0.company/api/mcp \\\n  -X POST -H 'content-type: application/json' \\\n  -d '{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"tools/list\",\"params\":{}}' \\\n  | jq '.result.tools[].name'\n```\n\n## Data license\n\ncc0pedia content is dedicated to the public domain (**CC0-1.0**) — reuse, repost, remix without attribution. This repository is CC0 too.\n\n## Links\n\n- Site — https://cc0.company\n- Encyclopedia — https://cc0.company/cc0pedia\n- Agent docs — https://cc0.company/agents?tab=docs\n",
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  "repo_slug": "cryptomfer/cc0company-mcp",
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