MCP Servers

Access Siglume API Store tools and external MCP Router servers

Documentation for the Spektralwerk spectrometer SCPI API as a streamable HTTP MCP server

Render, validate, encode/decode PlantUML diagram-as-code; 22 diagram types. Free, no auth

Run website audits and track site health scores, findings, and regressions from any MCP client

S

Sitesfare Connect

sitesfare.com

Edit, restyle, publish and host Sitesfare websites — text, photos, colours, CSS and own-code sites

S

SitesPlaced

sitesplaced.com

Build, edit, and publish real websites and online stores by chatting with your AI assistant

Shopify speed, Core Web Vitals, and fee checks by Skai Digital, a Shopify Select Partner in Oslo.

Recommends open-license agent skills (SKILL.md) for a project from its stack and task tags.

Describe your site and get it built. Design, create and update content, publish daily on autopilot

S

Sleekdocs Translate

sleekdocs.com

Find missing translations in your app, propose texts and publish and deploy them to your CDN

S

smartling-mcp-server

smartling.com

smartling-mcp-server

S

SMSPVA Documentation

smspva.com

SMSPVA API docs: search and code examples for SMS activation, number rental and private email.

Free, read-only ship-readiness check for Replit, Lovable and Bolt apps.

Automate the Godot Engine editor: edit scenes and scripts, run projects, manage engine versions

AI model/agent directory with pricing and comparisons, plus GPU VRAM fit and tokens/sec estimates

J

journeyman

softwareengineeringprofessional.com

Read-only Pattern-Assist corpus for aspiring software engineers: grounded dev patterns with sources

S

sonenta

sonenta.com

MCP server for Sonenta translation management: keys, translations, a11y, and source-health tools

Grade any website out of 100 for speed, SEO, trust and lead capture, with plain-English fixes.

S

SORNKan Services Catalog (สอนกาน)

sornkan.com

Thai web, AI app, and LINE chatbot development services from SORNKan (สอนกาน). Read-only, no auth

Commission a multi-model AI spec committee from your agent; get rubric-scored, build-ready specs

Read-only release evidence for coding agents: findings, deliveries, source and runtime data.

S

splitforms

splitforms.com

Form backend: create forms, get embed code, read submissions, add webhooks. OAuth sign-in.

Publish apps from Claude Code, Codex or Cursor to your team, behind sign-in, with a database

Squire Docs — the durable, attributed spec layer for agentic development

Read-only answers about tool changes in the public MCP servers on Stackduke's tracker. No sign-in

Read-only search of 900+ reviewed developer tools, each with a verdict and caveats. Free/OSS first.

MCP server for Statsig API - interact with Statsig's feature flags, experiments, and analytics

D

docs

stimulsoft.com

Stimulsoft Reports & Dashboards docs MCP server. Semantic search for all platforms

Turn PRDs and product ideas into structured specs so coding agents build your intent, not theirs

Does an LLM fit on your GPU? VRAM, KV cache and GPU count for any Hugging Face model

Form backend for static sites: create forms, manage submissions, webhooks and exports

Subtensor blockchain reference — events, calls, storage, constants, errors for all 28 active pallets

S

SunsetDiff

sunsetdiff.com

AI model shutdown dates, replacements, and migration diffs. Free, no API key

Hosted MCP catalog with 30 tenant-isolated browser, RAG, AI, mail and media tools.

Public read-only SYMBaiEX developer and agent documentation.

T

TailThemes

tailthemes.com

Search Tailwind CSS and React themes, read their tokens and source files, and get download URLs.

Task list for you and your coding agents: what's next, live progress per step, ask when blocked

T

TasteMaker

tastemakerdev.com

Pull your TasteMaker brand kit + generated Agent Skill into your coding tool. Read-only.

Find and call verified APIs from any AI assistant, with free trial calls and previewed writes

T

Telemetry Machine

telemetrymachine.com

Query Telemetry Machine observability data and instrument your apps with OpenTelemetry.

AI development agent using Kendo UI to rapidly create and style quality web UIs or pages

Receipts-first data: real crates.io downloads, dated LLM API prices, sourced answers, free dev tools

Read-only lookup of tested agent tools and MCP servers: scores, test evidence, deprecation

Get 12 testers for 14 days for Google Play closed testing, with verified daily use on real phones.

Manage test suites, run tests, view results, and automate QA workflows via AI with testRigor

Per-SDK verdict matrix for signed A2A Agent Cards: which signatures verify in each SDK

Annotation-survival conformance for MCP tools. Receipt $0.01, check $4.99, plans $9.99/$19.99

Rehearsal range: mirror a site, rehearse the workflow, earn a drift-bound promotion receipt.

Parallel-burst abuse testing for agent APIs with replayable evidence packs

You cancelled the run — did the work actually stop?

Per-principal census of MCP subscriptions and durable tasks, with verified-stop receipts.

Concurrent two-client overlap probe proving MCP servers do not cross-deliver tool results.

Pair-level MCP+A2A conformance verdicts for the exact pair you delegate across.

Your coding agents are isolated in worktrees; your breakage is not

Grades an MCP server's real egress: EVERY-HOP-VALIDATED, FIRST-HOP-ONLY, or OPEN-EGRESS.

Out-of-band elicitation answers for unsupported clients. Form $0.25, URL $0.50.

Ephemeral single-task tool forged from examples, sandbox-proven, task-bound, expiring by design.

Classifies MCP tool failures into enforced recovery verdicts from per-server dialect profiles.

Real MCP handshake witness graded per-client, signed expiring receipt.

Live-payload conformance probes with signed receipts: ABSENT/EMPTY/PARTIAL/COMPLETE/BROKEN.