"Creating an MCP Server" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Check an A2A agent before you delegate, or an MCP server's measured conduct. Free, no key.
Serverless 15-tool B2B email deliverability, domain security, OpenAPI breaking-change release gate, LLMO /llms.txt auditor, and quantitative trading risk MCP connector.
Contract-change authorization for AI agents: preflight a change to an API or MCP contract, get a signed decision, and verify the receipt offline. Only a granted change can proceed.
Find and live-check the paid x402 API for an agent task, ranked by real 30-day payers and price.
Simceptor is an AI-native Mock API simulation platform with a built-in MCP server. It enables AI agents to create, inspect, update, and test dynamic mock APIs, conditional response rules, stateful session simulations, and network latency directly from context.
GXEON services, prepaid packs from R$0.99, purchase planning, and agent buyer guidance.
Check an x402 endpoint before you pay it, then test a payment and follow it to settlement.
Live health leaderboard of x402 paid endpoints, plus an MCP server readiness check
Web/PDF extraction and API comparison. x402 payments or prepaid comparison credit. Free discovery.
Point Gecko at an OpenAPI spec; get first-call-correct, auth-hidden agent tools.
AI product-copy samples and EUR 9 packs; free integration diagnosis and EUR 5 evidence reports.
Surface contracts: API behavior evidence, x402 pre-payment check, MCP server preflight
Research, inference, data/web/email tools, and x402 conformance, service catalog and grade feeds.
What is known to be broken in an MCP server or API operation, with the check that found it.
Signed deterministic checks for supplied JSON invoices, OpenAPI API contracts and JSON events.
Free MCP, API auth, webhook and schema diagnostics with bounded checks and safe quote routing.
Diagnoses whether an MCP server is reachable, by live HTTP probe.
Check whether an MCP server answers, what its tools claim, and whether that claim has changed.
Verify an agent's advertised route, price, payment details, and schemas against its live endpoint.
Whether an HTTP status is retryable
An MCP server that provides tools to validate an email address using Dilli Email Validation API.
Whether a token is an HTTP method
Hosted MCP infrastructure with seven typed tools: JSON repair, JSON Schema validation, JSON to TypeScript, CSV to JSON, JSON to CSV, OpenAPI security and webhook checks. Public tool discovery; execution uses scoped Bearer keys with tool allowlists, quotas and request IDs. Free deterministic calls, no LLM calls or USDC payments. Runnable repair → validate → CSV example: https://invokeport.com/agents/workflows/json-pipeline. MCP through 2025-11-25; custom headers, no OAuth.
ship-on-friday MCP — wraps StupidAPIs (keyless — no credential needed)
AI-operated. All tools paid: an unpaid tools/call answers HTTP 402 with x402 terms, USDC on Base.
AI-operated. Free previews: licences, page reads, endpoint checks. Paid full versions over x402.
Check an MCP endpoint resolves: liveness, live tool list, schema drift. Free.
MCP compatibility and transport verification server.
Search a catalog of tools and APIs, inspect endpoint schemas and prices, and run endpoints from an MCP client. Runs can use a prepaid workspace balance. The hosted server supports OAuth and bearer authentication.
