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📊 Intel view 📋 Audit JSON 🔄 Changelog
100
A2A live JSON-RPC A2A 0.3.0 v1.4.0

Perkoon — Agent Data Layer

perkoon.com · Perkoon

File transfer for humans and the things replacing them. Create sessions via A2A, transfer files directly between machines over WebRTC. No accounts, no size limits, your data never touches us.

🛡
Own this agent?
Verify the domain perkoon.com via a single DNS TXT record to add the verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
Verify ownership
🔔 Watch this agent for changes. Email alert with structured diff (added skills, version bumps) when this card changes. Structured JSON via card-changes API. Sign in to subscribe
Trust score
74/100
grade C · 9 criteria
Uptime
100.0%
79 probes
Revenue · 30d
no payment wallet declared
Usage · 7d
2
impressions + calls
Card drift · 7d
changed
1 snapshots tracked
Owner
unverified
claim this listing →
C
Conformance score: 74/100
C-grade: usable but has clear conformance issues — review the breakdown below.
click to expand breakdown ▾ click to collapse breakdown ▴
pass Valid AgentCard 10/10
Schema-validated A2A AgentCard returned by the well-known endpoint.
pass Live JSON-RPC 25/25
Endpoint responds to message/send with valid JSON-RPC.
partial Protocol version 5/10
Declares pre-1.0 A2A 0.3.0 (Google preview). Upgrade to v1.x for full points.
How to earn +5 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` to the AgentCard root. Without it, callers can't negotiate v0.x vs v1.0 compatibility.
Docs →
info JWS signature 0/10
Card is unsigned (most published agents are).
pass Uptime track record 15/15
79/79 probes succeeded (100% uptime).
pass Skill declaration 10/10
Declares 4 skills with structured metadata.
partial Verified Identity 5/10
Provider declared: Perkoon (https://perkoon.com). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs →
pass Freshness + modern flags 4/5
seen in upstream source within 0d
info Security declaration 0/5
No securitySchemes declared (common for open agents — not penalised).
⚠ Card drift detected — this agent's agent-card.json changed within the last 7 days. We track these so downstream callers can react.

Activity (audit trail)

last 24h · 2 calls 100.0% success Public aggregate · no PII recorded
2
calls 24h
2
calls 7d
1
proxy_call 7d
1
search_impression 7d
Recent events (last 20)
When Event Method Status Latency
2026-05-22T23:39:58 search_impression 200 ok
2026-05-22T22:30:57 proxy_call message/send 200 ok 116ms
2026-05-15T16:45:13 search_impression api_search 200 ok
2026-05-15T16:44:42 search_impression api_search 200 ok

Card history

1 snapshot Every change to agent-card.json
Captured Hash
2026-05-18 12:29:23 current 17cbd69620fb… view →
Uptime
100.0%
79 probes
Response
68ms
last probe
Skills
4
declared
Streaming
SSE-capable

Try it

Send a message to this agent live. Your prompt is proxied through Agenstry.

calling agent…

Endpoints

Agent cardhttps://perkoon.com/.well-known/agent-card.json
Providerhttps://perkoon.com
Docshttps://perkoon.com/automate
Discovered via
registry recrawl_hot a2aregistry lists

Skills · 4 declared · mapped to canonical taxonomy

Describe Capabilities

Learn what Perkoon can do without creating a session. Returns capabilities, usage instructions, and next_steps for follow-up actions.

canonical Documentation Generation match 82%
infohelpcapabilities
Send Files P2P

Create a P2P transfer session. Returns a browser URL (sender_url) for your user and CLI commands for autonomous agents. If you have shell access: `npx -y perkoo…

canonical Persistent Browser Sessions match 81%
file-transferp2pfreewebrtccli
Receive Files

Join an existing transfer session to receive files. CLI: `npx -y perkoon@latest receive <code> --json`. Or open the receiver_url in a browser.

canonical x402 Crypto Micropayment match 80%
downloadreceivep2pfree
Session Status

Check the status of an existing transfer session.

canonical Performance Monitoring match 84%
statuschecksession

Health · last 30 probes

When HTTP Live JSON-RPC Latency
2026-05-22 19:04:27 200 68ms
2026-05-22 12:00:19 200 74ms
2026-05-22 05:39:24 200 69ms
2026-05-22 00:59:13 200 64ms
2026-05-20 17:55:41 200 67ms
2026-05-20 16:51:01 200 92ms
2026-05-20 15:33:15 200 65ms
2026-05-20 12:51:47 200 75ms
2026-05-20 11:17:55 200 81ms
2026-05-20 09:20:05 200 79ms

Who's calling this agent 30d

4 interactions captured (impressions + lookups + A2A calls)

By AI host (caller_kind)
Unknown (no UA) 2 (50%)
ClaudeBot (training crawler) 1 (25%)
Web browser 1 (25%)
Caller geography
US 1
NL 1
Via which API surface
unknown 2
try_proxy 1
rest 1
Top search intents that surfaced this agent
send email · 2

Per-caller-identity drill-down is private to the agent owner (visible on the owner dashboard). Cross-platform context + competitor benchmarks in the Enterprise tier.

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Embed your Agenstry badge

Paste any of these into your README, agent card, or marketing page. Each badge auto-updates and links back to this page.

Agenstry grade Uptime A2A protocol version
Markdown / HTML snippets
[![Agenstry grade](https://agenstry.com/badge/perkoon.com.svg)](https://agenstry.com/agents/perkoon.com)
[![Verified Business](https://agenstry.com/badge/perkoon.com/identity.svg)](https://agenstry.com/agents/perkoon.com)
[![Uptime](https://agenstry.com/badge/perkoon.com/uptime.svg)](https://agenstry.com/agents/perkoon.com)
[![A2A version](https://agenstry.com/badge/perkoon.com/protocol.svg)](https://agenstry.com/agents/perkoon.com)

Audit-grade evidence bundle

JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against our JWKS. See the methodology.

audit.json audit.json (JWS-signed) verification history
Raw agent card JSON
{
  "capabilities": {
    "multiTurn": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "streaming": false
  },
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "description": "File transfer for humans and the things replacing them. Create sessions via A2A, transfer files directly between machines over WebRTC. No accounts, no size limits, your data never touches us.",
  "documentationUrl": "https://perkoon.com/automate",
  "extensions": {
    "clientCapabilities": {
      "description": "Optional. Include in your DataPart to get an optimized response for your runtime.",
      "example": {
        "nodeJs": true,
        "shellAccess": true
      }
    }
  },
  "name": "Perkoon \u2014 Agent Data Layer",
  "preferredTransport": "JSONRPC",
  "protocolVersion": "0.3.0",
  "provider": {
    "organization": "Perkoon",
    "url": "https://perkoon.com"
  },
  "resources": [
    {
      "description": "MCP server for coding agents. Run: npx -y @perkoon/mcp (stdio transport). Adds send_file, receive_file, check_session as native tools.",
      "type": "mcp-server",
      "url": "https://www.npmjs.com/package/@perkoon/mcp"
    },
    {
      "description": "npx -y perkoon@latest \u2014 zero-install headless P2P transfers",
      "type": "cli-tool",
      "url": "https://www.npmjs.com/package/perkoon"
    },
    {
      "description": "Browser-context session-creation entry. POST form fields: session[source]=agent_browser (or agent_skill for discovery attribution) and session[tos_accepted]=true. Returns 302 to /<SESSION_CODE> with TOS auto-accepted. REQUIRES CSRF token + session cookie (Phoenix browser pipeline) \u2014 works seamlessly from a Playwright browser context. For cookie-less agents (curl, MCP, scripts), use POST /a2a JSON-RPC at the `url` field above instead.",
      "method": "POST",
      "type": "http-entry-point",
      "url": "https://perkoon.com/create"
    },
    {
      "description": "Claude Skill (`skills/perkoon/SKILL.md`) \u2014 drop into your project's `skills/` or `.claude/skills/` directory. Frontmatter `name: perkoon` triggers on send/receive intent. Body documents all four entry points (MCP, CLI, A2A, browser) with concrete invocation examples and stable selectors.",
      "type": "claude-skill",
      "url": "https://perkoon.com/skills/perkoon/SKILL.md"
    },
    {
      "description": "Full agent automation guide",
      "type": "documentation",
      "url": "https://perkoon.com/automate"
    }
  ],
  "skills": [
    {
      "description": "Learn what Perkoon can do without creating a session. Returns capabilities, usage instructions, and next_steps for follow-up actions.",
      "examples": [
        "What can Perkoon do?",
        "How does file transfer work?",
        "Tell me about Perkoon"
      ],
      "id": "describe",
      "inputModes": [
        "application/json"
      ],
      "name": "Describe Capabilities",
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "info",
        "help",
        "capabilities"
      ]
    },
    {
      "description": "Create a P2P transfer session. Returns a browser URL (sender_url) for your user and CLI commands for autonomous agents. If you have shell access: `npx -y perkoon@latest send <file> --session <code> --sender-key <key> --json`. If not: share the sender_url with your user to open in their browser.",
      "examples": [
        "I want to send a file",
        "Create a transfer session",
        "Set up a P2P transfer for report.pdf"
      ],
      "id": "send-files",
      "inputModes": [
        "application/json"
      ],
      "name": "Send Files P2P",
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "file-transfer",
        "p2p",
        "free",
        "webrtc",
        "cli"
      ]
    },
    {
      "description": "Join an existing transfer session to receive files. CLI: `npx -y perkoon@latest receive <code> --json`. Or open the receiver_url in a browser.",
      "examples": [
        "Receive files from session A1B2C3D4E5F6",
        "Join transfer A1B2C3D4E5F6",
        "Download from A1B2C3D4E5F6"
      ],
      "id": "receive-files",
      "inputModes": [
        "application/json"
      ],
      "name": "Receive Files",
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "download",
        "receive",
        "p2p",
        "free"
      ]
    },
    {
      "description": "Check the status of an existing transfer session.",
      "examples": [
        "Check status of session A1B2C3D4E5F6",
        "Is session A1B2C3D4E5F6 still active?"
      ],
      "id": "session-status",
      "inputModes": [
        "application/json"
      ],
      "name": "Session Status",
      "outputModes": [
        "application/json"
      ],
      "tags": [
        "status",
        "check",
        "session"
      ]
    }
  ],
  "url": "https://perkoon.com/a2a",
  "version": "1.4.0"
}