"Running MySQL Queries Through a MySQL Socket" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Hundreds of scraping & data APIs through one key. USD pay-per-request, normalized schemas, failover.
AI-agent image generation: cohesive sets & illustrations. Resize a set or export icons, free.
Turn a fillable PDF into an online form, build funnels, read submissions.
Create and edit images, videos, and audio through Magic Hour's hosted Streamable HTTP MCP server.
A portable knowledge-graph memory you pass in and get back. No database. 4 of 6 free.
A complete color workflow over MCP: mix, convert, harmonize, measure, and remember palettes.
Find AI-isms with evidence and fingerprint a writing voice from samples. 3 of 5 free.
Search domain availability and pricing, straight from chat, then open a link to register.
Lint a SKILL.md for frontmatter, structure, secrets and size. All 6 tools free.
Check a product CSV, handles, variant matrices and metafield keys. 4 of 6 free.
Paste-your-data analytics: CSV profiling, A/B tests, correlation, growth. 4 of 7 free.
Risk-scan a diff, flag AI-generated-code tells, find secrets. 5 of 7 tools need no account.
Deterministic date math agents get wrong, done in code over MCP: business_days adds and counts working days with holiday awareness, meeting_overlap finds shared windows across UTC offsets including half-hour zones, recurrence_expand generates concrete dates, with deadline_planner and sla_due in the premium tier. Every failure mode returns a structured error.
8 teaching persona and skill products plus computed classroom tools over MCP: readability_report runs a real Flesch-Kincaid analysis with leveling suggestions, grade_curve turns score lists into full distribution statistics, lesson_timer splits class periods, and get_free_skill loads any product's complete free gateway skill.
An instrumented editing loop for AI drafts: ai_tell_scan scores how human a draft reads with quoted evidence, burstiness_report maps sentence rhythm, voice_fingerprint profiles a real person's writing numerically, and the premium humanize_plan / verify_rewrite pair produces a rewrite brief and proves the result moved toward the target voice.
Payments and pricing math sellers do weekly, computed deterministically over MCP: processor_fees breaks down payment costs with editable presets, charge_to_net answers what to charge to net a target amount, invoice_total validates and totals line items, with discount_stack, proration, and installment_plan in the premium tier.
A skeptical senior-engineer code reviewer over MCP: risk-scans unified diffs, flags AI-generated-code tells, reports complexity hotspots, scans for leaked secrets, and runs an OWASP security pass — real analyzers, no external APIs. Free tier, no signup.
A fully free linter for agent skill files: lint_skill validates YAML frontmatter, structure, size budgets, and safety phrasing with a pass/fail verdict; packaging_check validates zip layout against marketplace rules; plus regex_test, json_validate, diff_texts, and cron_explain for skill authors. No license or account required.
Inventory and audit your agent fleet over MCP: audit_mcp_config returns risk-ranked findings with a 0-100 posture score, scope_check ranks tool-manifest blast radius, audit_skill_file and injection_scan screen untrusted skill files and text, and inventory_report builds a governance inventory with risk tiers. All analysis is deterministic and local to the request.
Riddle.com is a no-code platform for quizzes, surveys, personality tests, prediction games, interactive graphics, and leaderboards. Use the MCP to create, edit and analyze content.
