ddg-agent-services-mcp 0.2.0

Payment-aware MCP server + multi-framework tool wrappers for DDG Agent-Payable Services (83 x402/direct-crypto endpoints)

DDG Agent-Payable Services

AI-agent-native services from Daedalus Development Group (DDG): checkout/payment conformance, MCP/tool security audits, agent-discovery repair, buyer-agent smoke probes, browser proof, repo context packs, and bounded DDG-operated model/artifact orders.

Production base URL:

https://agents.daedalusdevelopmentgroup.com

Current live payment rails

x402
direct_crypto_auto
direct_crypto_manual

Accepted crypto is intentionally broad but bounded by public receiving-address custody and verifier support:

• x402 accepts[]: Base, Polygon, Arbitrum One, World Chain, and Solana mainnet USDC.
• Direct crypto public receiving-address families: EVM/stablecoins, BTC, BCH, LTC, DOGE, SOL, TRX, XRP, XLM, ALGO, DOT, ZEC, and XMR.
• Auto verification applies only where the verifier can prove settlement; otherwise /v1/order-intake records a hashed proof for operator confirmation before fulfillment.

MPP / Tempo is now advertised in the public 402 challenge with the verifier reporting ready:true and invalid-token failure verified. The remaining proof is one real buyer-funded penny settlement/idempotent replay before calling the MPP money flow fully witnessed. Stripe SPT remains planned.

Start here if you are a buyer agent

1. Fetch AI discovery:

tmp=$(mktemp)
curl -fsS -o "$tmp" https://agents.daedalusdevelopmentgroup.com/.well-known/ai
python3 -m json.tool "$tmp"

2. Fetch status:

tmp=$(mktemp)
curl -fsS -o "$tmp" https://agents.daedalusdevelopmentgroup.com/.well-known/ddg-agent-status.json
python3 -m json.tool "$tmp"

3. Fetch pricing/catalog:

tmp_pricing=$(mktemp)
tmp_catalog=$(mktemp)
curl -fsS -o "$tmp_pricing" https://agents.daedalusdevelopmentgroup.com/.well-known/ddg-agent-pricing.json
curl -fsS -o "$tmp_catalog" https://agents.daedalusdevelopmentgroup.com/.well-known/agent-catalog.json
python3 -m json.tool "$tmp_pricing"
python3 -m json.tool "$tmp_catalog"

4. Verify checkout conformance:

tmp=$(mktemp)
curl -fsS -o "$tmp" https://agents.daedalusdevelopmentgroup.com/.well-known/ddg-agent-checkout-conformance.json
python3 -m json.tool "$tmp"

5. Probe the payment gate without spending:

curl -i -X POST https://agents.daedalusdevelopmentgroup.com/v1/tx-smoke-test \
  -H 'Content-Type: application/json' \
  -H 'X-Agent-Id: your-agent-id' \
  -d '{"service":"tx_penny_smoke_test"}'

Expected without payment: 402 payment_required with accepted protocols.

Important endpoints

See also DISCOVERY.md for the agent-radar/distribution map and directory readiness notes.

Endpoint	Purpose
/.well-known/ai	AI-agent discovery surface
/.well-known/ddg-agent-status.json	Rail/service/MCP status
/.well-known/api-catalog	Linkset API catalog
/openapi.json	OpenAPI contract
/llms.txt	LLM-facing instructions
/.well-known/ddg-agent-pricing.json	Machine-readable pricing
/.well-known/agent-catalog.json	Agent service catalog
/.well-known/agent-skills/index.json	Agent-skill discovery index
/.well-known/ddg-agent-checkout-conformance.json	Checkout conformance profile
/.well-known/ddg-agent-refund-policy.json	Strict refund/reversal policy for agent-paid work
/.well-known/ddg-agent-swarm-mcp-design.md	MCP design/status doc

Flagship services

• agent_payment_readiness_audit
• mcp_tool_security_audit
• agent_service_distribution_pack
• agent_marketplace_listing_pack
• agent_readiness_scorecard
• buyer_agent_smoke_probe
• browser_proof
• repo_context_pack
• ai_skill_safety_scan
• model_agent_run

MCP

The local stdio MCP server is in mcp/. It exposes free discovery/status/conformance tools, allowlisted ddg:// resources for public manifests/docs/OpenAPI, agent-radar/x402 Bazaar readiness metadata, and payment-aware paid-service helpers. Paid tools return structured 402 payment_required challenges instead of opaque MCP errors.

Current MCP status: stdio package/source is locally smoke-tested and the hosted Streamable HTTP endpoint is live at https://mcp.daedalusdevelopmentgroup.com/mcp with public MCP-client smoke passing. See docs/mcp-production-readiness.md.

Security and compliance stance

DDG sells bounded artifacts/results, not raw model-provider account access. DDG never sells, returns, or relays:

• raw OAuth tokens
• provider API keys
• private account/session state
• raw provider seats
• private model IDs when they would reveal account mechanics
• raw payment tokens or verifier sidecar URLs

Provider-backed model capacity is packaged as DDG-operated artifact/result delivery with spend caps, output schemas, redaction, receipts, and operator review where needed.

Repository contents

openapi.json                         Public OpenAPI contract copy
docs/pricing.json                    Pricing copy
docs/agent-catalog.json              Catalog copy
docs/agent-status.json               Status copy
docs/checkout-conformance.json       Checkout profile copy
docs/agent-skills/                   Agent skill JSON files
mcp/                                 Local stdio MCP server and metadata
scripts/agent_checkout_conformance_probe.py  Probe script
examples/                            Curl and Python buyer-agent examples
schemas/                             Public JSON schema drafts

Contact

Operator contact: [e-mail]