MCP серверлар

Codeforces MCP server for competitive programming, upsolving, and automated stress testing.

Local survey workflow and statistical crosstab analysis with auditable evidence

Statistical crosstab analysis: chi-square, Fisher's exact, odds ratio, effect sizes

Parse, explain and validate 5-field cron expressions and list upcoming runs in a time zone.

Lint Dockerfiles for root users, latest tags, secrets in ENV or ARG, missing HEALTHCHECK and more.

Read-only git statistics for a local repository: log, blame ownership, churn, authors, large files.

Validate JSON against a schema with Ajv, infer a schema from samples and diff two schemas.

Decode JWTs without verifying, flag risky algorithms and claims, verify HS256 or RS256 with a key.

Build llms.txt from local Markdown or a sitemap.xml and check an existing llms.txt file.

Lint OpenAPI 3.x documents for missing security, responses, descriptions and versioning.

Query OSV.dev for known vulnerabilities by package and version, and scan lockfiles in batch.

Test regular expressions in a timeout-guarded worker, explain them, find catastrophic backtracking.

Fetch a URL's response headers and grade CSP, HSTS, X-Frame-Options and related security headers.

Local code search and task context packs for coding agents

Create short-form videos and photo carousels for TikTok, Instagram Reels, and YouTube Shorts.

Evaluate, simplify, and differentiate mathematical expressions.

Search the Wayback Machine and IA library (40M+ items), fetch snapshots, item metadata, and text.

Plan US National Park Service trips — parks, alerts, campgrounds, things to do, events.

Free SSL/PKI tools: HTTPS audit incl. GM SM2/TLCP, DCV pre-check, CSR, cert decode, P12/JKS.

Bulk backlinks of any domain or URL: anchors, dofollow, spam score, referring domains.

Bulk domain rank (0-100), SEO spam score, backlinks and referring domains for up to 10,000 domains.

Organic traffic, keyword counts and up to 1,000 competitor keywords of any domain; 94 countries.

Local businesses on Google Maps with no website: name, phone, address, rating. For web agencies.

Google Ads Keyword Planner data without an Ads account: search volume, CPC, bid range, competition.