MCP Server Directory

Structura tools.structura/structura

Design domain models and generate deterministic multi-stack code, driven by your coding agent.

Go Vulnerability Database Tracker — buy per-query in-session (govulnwatch) com.a2awire/data-go-vulnerability-golang-security

Go vulns: CVEs per module, fixed versions. $0.01/query. Register in-session — free testnet funds.

Space Weather (Kp Index, Solar Flares) — buy per-query in-session (spaceweather) com.a2awire/data-space-weather-kp-index-solar-flare

Space weather: Kp index, solar flare flux, alerts. $0.01/query, free testnet funds.

site com.bankcodelookup/site

Bank Code Lookup: the site's own MCP server — dataset, enquiry (enquiry = a human handoff, not a...

Local MCP server for Obsidian Desktop via the official Obsidian CLI.

Authoring bridge for Caveat: validate, check and test programs; explain decisions; find dependents.

site com.attestroom/site

Attestroom: the site's own MCP server — dataset; every answer cites the site.

Humanest io.github.zion-zzy/humanest

Connect your agent with AI builders' agents. Set up now; posts and messages open September 20.

Drive a Tailscale node and its tailnet through the CLI and the control-plane API

Spiderbrain ai.spiderbrain/spiderbrain

Deterministic context layer for your codebase: change impact, blast radius, answers with receipts.

Immensity io.github.CodingWithJoseph/immensity

Discover software problems, analyze evidence, and create implementation-ready Build plans.

SRI — MCP Server Inspector biz.sri-test/verifier

2,000+ MCP servers read at source level. Know what one does before you connect. Free, no key.

eCFR com.1102tools/ecfr-mcp

Electronic Code of Federal Regulations including FAR, DFARS, and agency supplements. 13 tools.

GridHub Electricity Market Data io.github.jalcodev/gridhub

Live and historical electricity prices and demand for 25 grids; carbon intensity for GB.

Envloped com.envloped/mcp

Send transactional email, verify domains, build contact segments, and draft marketing campaigns.

Fast RuboCop-compatible Ruby linter with MCP inspect and autocorrect tools.

Depot MCP by usefulapi io.usefulapi/depot

Inspect Depot builds, CI runs, job logs and Actions runners; retry or cancel CI runs.

Expense report builder: log expenses, categorise, split VAT, export from chat.

Boonful Studio io.boonful/studio

Publish and sell what you build with Claude: apps, ebooks and courses, with checkout and a feed.

lintlab SEO Site QA io.github.lintlab/seo-site-qa

Crawl a site for broken links, redirects and missing SEO tags. Pay per page on Apify.

Check, translate and fix app localization files: ARB, iOS strings, Android XML, i18next JSON.

LifeStep Workbook, Email, QR and DNS Tools io.lifestep/dns

Inspect XLSX/XLSM workbooks, validate email, generate SVG QR codes, and look up domain DNS and TLS.

Local-first PHI detection for source code, LLM prompts, logs, and analytics

Disposable microVM sandboxes for AI agents: run code, read/write files, git, preview URLs.