"Information or tools related to derivatives (math, finance, or software)" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Lint a SKILL.md for frontmatter, structure, secrets and size. All 6 tools free.
Risk-scan a diff, flag AI-generated-code tells, find secrets. 5 of 7 tools need no account.
Parse WebVTT, SRT, or TTML for conformance, timing, overlaps, line length, and reading speed.
Load testing and synthetic monitoring platform: test with Playwright, Browser Bot, or Protocol Bots.
Author and validate Calaf workspace seeds against the app's real importer. No account needed.
Simulate, test, and analyze cloud architectures without deploying real infrastructure. Cloud World Model enables AI agents to model cloud environments, evaluate architecture behavior and costs, run failure and chaos simulations, and explore infrastructure scenarios across cloud providers.
Workflow planning, recovery checkpoints, coordination, fixtures, and compatibility tools for agents.
Evidence-gated task verification for AI agents. Decompose goals into acceptance criteria, attach proof (screenshot, curl, file), independent LLM judge accepts or rejects. 24 tools. Hosted remote MCP (streamable-http, OAuth 2.1 + DCR).
Free platform to test MCP clients without installing anything. Create mock tools with dynamic templates, configurable delays, conditions (if/then), and response sequences. Supports JSON-RPC 2.0 over Streamable HTTP. Built-in text_echo and json_echo tools. Rate-limited tiers: anonymous (5 calls/min, 1 mock tool), registered (10 calls/min, 4 mock tools), premium (60 calls/min, unlimited). Zero setup — no install, no registration required. More info: https://www.testmcp.dev
Probe a signup URL you own and score whether an AI agent can sign up unaided.
Prompt evals over MCP: run a prompt on your dataset, score each output 1-5 with an LLM judge.
Check that your AI is being logical. Free tool that mathematically catches contradictions in agent reasoning. No account needed. Also offers paid guardrails that converts natural language to formal verification proofs, that anyone can check succinctly.
Compare two versions of a JSON row list: what was added, removed or changed, field by field.
AI-callable tools for API mocking, testing, monitoring, security, and automation.
Rule engine with built-in simulation. 55 MCP tools for complete business rule lifecycle management.
Seven tools over the tabnas parsing engine: parse, validate, diagnose, fixtures, compare.
Free tools: 2026 API shutdown scanner, small-business website auditor, photo resale estimator.
Apache JMeter community documentation, conversion tools, linters, and calculators for AI agents.
Test FIX from Claude, ChatGPT, or Cursor: free sandbox FIX sessions or your own FIXSIM instances.
Verify structured artifacts, discover local tools and hand off immutable public state.