humanMCP

A personal content server speaking Model Context Protocol (MCP/JSON-RPC 2.0).

Live: https://kapoost-humanmcp.fly.dev
Landing page: https://kapoost.github.io/humanmcp
Author: kapoost (Łukasz Kapuśniak) — poet, builder, sailor. Warsaw / Malta.

What it is

humanMCP lets you publish poems, essays, notes, images, and typed data artifacts with cryptographic proof of authorship, explicit license terms, and full control over who can access what. AI agents connect via MCP and interact with your content natively.

MCP Tools (12)

| Tool | Description | |---|---| | get_author_profile | Who is kapoost — bio, content overview, how to browse | | list_content | Browse all pieces with metadata, filter by type or tag | | read_content | Read a piece — respects all access gates | | request_access | Get gate details for locked content | | submit_answer | Unlock challenge-gated content | | list_blobs | Browse typed data artifacts | | read_blob | Read image, contact, dataset, vector (respects audience) | | verify_content | Verify Ed25519 signature | | get_certificate | Full IP certificate: license, price, originality index, hash, signature | | request_license | Declare intended use, get terms, logged for audit | | leave_comment | Leave a reaction — visible in author dashboard | | leave_message | Send a direct note (max 2000 chars, URLs welcome) |

Connect

{
  "mcpServers": {
    "kapoost": {
      "type": "http",
      "url": "https://kapoost-humanmcp.fly.dev/mcp"
    }
  }
}

Content types

Pieces (Markdown files):

• Types: poem, essay, note, contact
• Access: public / members / locked
• Gates: challenge (Q&A), time, manual, trade
• Licenses: free, cc-by, cc-by-nc, commercial, exclusive, all-rights

Blobs (typed data artifacts):

• Types: image, contact, vector, document, dataset, capsule
• Audience: [agent:claude, human:alice, agent:*]
• Auto-signed on save if SIGNING_PRIVATE_KEY is set

Contact

Public links: read_blob slug:"kapoost-contact" — name, handle, github, instagram, facebook, landing page.

Private email: read_content slug:"kapoost-contact-private" — gated. Answer the challenge to access.

Intellectual property

Every piece is signed with Ed25519. get_certificate returns:

• SHA-256 content hash
• Ed25519 signature + public key
• Originality Index (0.0–1.0): burstiness (Fano Factor), lexical density (CTTR), Shannon entropy, structural signature — grades S/A/B/C/D
• License terms and price in sats (for commercial licenses)

SEO / discovery

• robots.txt — https://kapoost-humanmcp.fly.dev/robots.txt
• sitemap.xml — https://kapoost-humanmcp.fly.dev/sitemap.xml
• /.well-known/mcp-server.json — MCP server discovery

Limits

| Field | Limit | |---|---| | Message / comment text | 2000 chars | | Blob inline text | 512 KB | | File upload | 50 MB | | Slug | 64 chars | | Title | 256 chars |

Stack

• Go 1.22, zero external dependencies
• Fly.io (region: waw), persistent volume at /data
• Ed25519 signing (stdlib crypto)
• Plain Markdown files as database
• No JS except 8-line drag-drop on /new page

Run locally

go build ./cmd/server/
EDIT_TOKEN=secret AUTHOR_NAME=yourname ./server

Deploy

fly launch --name yourname-humanmcp
fly secrets set EDIT_TOKEN=secret AUTHOR_NAME=yourname
fly deploy

Signing keys (optional but recommended)

go run ./cmd/keygen/
fly secrets set SIGNING_PRIVATE_KEY="..." SIGNING_PUBLIC_KEY="..."

Future

• C2PA manifest embedding for blob files (when CA trust chain opens to individuals)
• Lightning Network payment gate for commercial licenses
• Scored conversational gate (agent brings API key, Claude evaluates answers)
• IP rate limiting + engagement tokens for anti-spam

Tests

136 tests across content, MCP, and upload/signature/license suites.

go test ./...