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io.github.agentc22/x402engine-mcp

agentc22 Scanned 14d ago

50+ pay-per-call APIs for AI agents — images, LLM, code, crypto, travel & more via x402

MCP Registry ↗
C
69 / 100

Versions

1.0.1latest
first seen Jun 5, 2026
1.0.3
first seen May 19, 2026
PermissionsTool SafetyAuthAnnotationsCode QualityStabilitySpecVuln HistoryAuthorTransparencyCommunity

Tools 22

get_crypto_categories
annotations: none low

List CoinGecko category IDs for sector discovery and downstream market filters. $0.001 per request.

discover_services
annotations: none low

List all available x402 Engine APIs with pricing, endpoints, and payment networks. Call this first to understand what

service_health
annotations: none low

Get live health metrics for all x402engine services — latency (p50/p95/p99), error rates, request volume, and status. Free, no payment required. Call this before choosing which service to use.

service string
generate_image
annotations: none low

Generate an image from a text prompt. Three quality tiers:

seed number width number height number prompt string
execute_code
annotations: none low

Execute code in a secure sandboxed environment (E2B). Supports Python, JavaScript, Bash, and R. $0.005 per execution.

code string timeout number
transcribe_audio
annotations: none low

Transcribe audio to text using Deepgram Nova-3. Accepts a public URL to an audio file. $0.10 per transcription.

diarize boolean language string audio_url string punctuate boolean
get_crypto_price
annotations: none low

Get current prices for cryptocurrencies. $0.001 per request.

ids string currencies string include_24h boolean include_mcap boolean
get_crypto_markets
annotations: none low

Get top cryptocurrencies by market cap with detailed market data. $0.002 per request.

page number limit number order string category string currency string
get_crypto_history
annotations: none low

Get historical price data for a cryptocurrency. $0.003 per request.

id string currency string
get_trending_crypto
annotations: none low

Get trending cryptocurrencies. $0.001 per request.

search_crypto
annotations: none low

Search for a cryptocurrency by name or symbol. $0.001 per request.

q string
get_wallet_balances
annotations: none low

Get token balances for a wallet address on any supported chain. $0.005 per request.

chain string address string
get_wallet_transactions
annotations: none low

Get transaction history for a wallet address. $0.005 per request.

chain string address string
get_wallet_pnl
annotations: none low

Get profit and loss analysis for a wallet

chain string address string min_liquidity number min_volume_24h number
get_token_prices
annotations: none low

Get DEX-derived prices for tokens by contract address. $0.005 per request.

chain string token_address string
get_token_metadata
annotations: none low

Get metadata for a token (name, symbol, decimals, etc.). $0.002 per request.

id string slug string chain string address string
pin_to_ipfs
annotations: none low

Pin JSON data to IPFS via Pinata. Returns the IPFS CID. $0.01 per pin.

name string
get_from_ipfs
annotations: none low

Retrieve content from IPFS by CID. $0.001 per request.

cid string
search_flights
annotations: none low

Search flight offers by route, dates, and passengers. Returns pricing, itineraries, and airlines. $0.01 per request.

max number adults number origin string nonStop boolean returnDate string destination string currencyCode string departureDate string
search_locations
annotations: none low

Search for airports and cities by keyword. Returns IATA codes, names, and coordinates. $0.005 per request.

keyword string subType string
search_hotels
annotations: none low

Search hotel offers by city and dates. Returns room details, pricing, and availability. $0.01 per request.

adults number cityCode string currency string priceRange string checkInDate string checkOutDate string roomQuantity number
search_cheapest_dates
annotations: none low

Find the cheapest travel dates for a route. Returns date/price pairs sorted by price. $0.01 per request.

oneWay boolean origin string destination string departureDate string

Permissions 2

network medium
Server uses network capabilities via: fetch()
env_vars low
Server uses env_vars capabilities via: process.env

Scan Findings 59

low
Tool 'get_wallet_transactions' has no annotations annotation_checker · 100%
low
Tool 'get_wallet_pnl' has no annotations annotation_checker · 100%
low
Tool 'get_token_prices' has no annotations annotation_checker · 100%
low
Tool 'discover_services' has no annotations annotation_checker · 100%
low
Tool 'service_health' has no annotations annotation_checker · 100%
low
Tool 'generate_image' has no annotations annotation_checker · 100%
low
Tool 'execute_code' has no annotations annotation_checker · 100%
low
Tool 'transcribe_audio' has no annotations annotation_checker · 100%
low
Tool 'get_crypto_price' has no annotations annotation_checker · 100%
low
Tool 'get_crypto_markets' has no annotations annotation_checker · 100%
low
Tool 'get_crypto_history' has no annotations annotation_checker · 100%
low
Tool 'get_trending_crypto' has no annotations annotation_checker · 100%
low
Tool 'search_crypto' has no annotations annotation_checker · 100%
low
Tool 'get_crypto_categories' has no annotations annotation_checker · 100%
low
Tool 'get_wallet_balances' has no annotations annotation_checker · 100%
low
Tool 'get_token_metadata' has no annotations annotation_checker · 100%
low
Tool 'pin_to_ipfs' has no annotations annotation_checker · 100%
low
Tool 'get_from_ipfs' has no annotations annotation_checker · 100%
low
Tool 'search_flights' has no annotations annotation_checker · 100%
low
Tool 'search_locations' has no annotations annotation_checker · 100%
low
Tool 'search_hotels' has no annotations annotation_checker · 100%
low
Tool 'search_cheapest_dates' has no annotations annotation_checker · 100%
medium
OAuth implementation without PKCE auth_checker · 75%
info
Sandbox failed to start for behavioral verification behavioral_verifier · 100%
medium
Vulnerable dependency: vitest@4.0.18 (GHSA-5xrq-8626-4rwp) dependency_analyzer · 95%
medium
Buffer.from base64 in agentc22-x402engine-mcp-28900e3/src/index.ts:82 entropy_analyzer · 75%
medium
High-entropy string (5.91 bits/char) in agentc22-x402engine-mcp-28900e3/.smithery/shttp/module.js:36 entropy_analyzer · 53%
medium
Buffer.from base64 in agentc22-x402engine-mcp-28900e3/.smithery/shttp/module.js:42 entropy_analyzer · 75%
info
package.json metadata manifest_parser · 100%
info
Tool: discover_services manifest_parser · 70%
info
Tool: service_health manifest_parser · 70%
info
Tool: generate_image manifest_parser · 70%
info
Tool: execute_code manifest_parser · 70%
info
Tool: transcribe_audio manifest_parser · 70%
info
Tool: get_crypto_price manifest_parser · 70%
info
Tool: get_crypto_markets manifest_parser · 70%
info
Tool: get_crypto_history manifest_parser · 70%
info
Tool: get_trending_crypto manifest_parser · 70%
info
Tool: search_crypto manifest_parser · 70%
info
Tool: get_crypto_categories manifest_parser · 70%
info
Tool: get_wallet_balances manifest_parser · 70%
info
Tool: get_wallet_transactions manifest_parser · 70%
info
Tool: get_wallet_pnl manifest_parser · 70%
info
Tool: get_token_prices manifest_parser · 70%
info
Tool: get_token_metadata manifest_parser · 70%
info
Tool: pin_to_ipfs manifest_parser · 70%
info
Tool: get_from_ipfs manifest_parser · 70%
info
Tool: search_flights manifest_parser · 70%
info
Tool: search_locations manifest_parser · 70%
info
Tool: search_hotels manifest_parser · 70%
info
Tool: search_cheapest_dates manifest_parser · 70%
info
Transport: stdio manifest_parser · 90%
info
Required env vars (3) manifest_parser · 80%
info
Sandbox failed to start for output poisoning scan output_poisoning · 100%
medium
Permission: network access detected permission_analyzer · 70%
low
Permission: env_vars access detected permission_analyzer · 90%
critical
Tool poisoning in 'service_health': Cross-tool sequencing directive poisoning · 85%
info
SBOM generated: 251 components sbom_generator · 100%
medium
No build provenance detected (SLSA L0) slsa_assessor · 90%