Constitutional-AI safety guardrails for any LLM — personas, constitutions, adjudication.
Directory
42,145 servers in the snapshot (13,813 alive, 9,216 need login, 3,006 dead, 16,110 stdio). 17,000 have a report page, 40 to a page, healthiest first.
One group chat for your AI coding agents: Claude Code and Cursor talk to each other and to you.
Taiwan film equipment rates, studios, photographer/director references; AI pre-production tools.
Token-efficient code review knowledge graph: semantic search and call-graph resolution.
MCP server for CricAPI: cricket matches, series, players. Free key.
29 MCP tools for IPL 2026, IPL historical (18 seasons), and Major League Cricket. No API key.
Transcribe and understand local audio/video with CrispASR and local models only.
Deterministic React render profiling: renders, wasted renders and their causes per component.
Crm Ai MCP Server by MEOK AI Labs
Croatian legislation via MCP — full-text search across statutes and provisions
Deterministic photo-to-crochet-chart engine: stitch counts, 5 techniques, yarn estimates.
Search and book coworking spaces and conference rooms via Croissant.
Machine-native listening platform for CWA's Straight Outta Crompton. Your agent can listen. For real
MCP server for cron expression parsing, validation, and scheduling.
Cron Ai MCP Server by MEOK AI Labs
Build, explain, and validate cron expressions
Parse, describe, and compute next runs for cron expressions locally. No network and no key.
MCP cron validator for AI agents; flags impossible schedules and other silent cron bugs.
Names every schedule line in the file you have open that fires at the wrong hour, twice, or never at
Schedule webhook calls, pay per run in USDC on Base via x402. Ten tools, built for small models.
Manage CronAlert uptime monitors, check results, and incidents from any MCP client.
Manage adaptive cron jobs and HTTP endpoint scheduling via AI assistants.
MCP server for Cronometer — food logs, macros, fasting, biometrics, and recurring foods
MCP server for Cronometer nutrition tracking — food logs, diary, macros, fasting
On-chain x402-paid market signals on Arc (Circle Gateway) exposed as MCP tools.
CropGraph MCP. Crops, companions, pests, rotation, soil, GDD, pest intelligence.
Live cross-DEX pool prices, liquidity and spreads on 6 EVM chains, read from on-chain pool state.
Development workflow server for CrossPad — build, test, run, screenshot, and navigate code
Search and retrieve scholarly metadata from the Crossref REST API
MCP server wrapping the Crossref REST API for scholarly metadata.
Search scholarly works and resolve DOIs through Crossref. No key required.
Local survey workflow and statistical crosstab analysis with auditable evidence
AI threat hunting & incident response for Elasticsearch/OpenSearch with endpoint & network forensics
Customer access to the Crown Town Compost portal: pickups, invoices, and skips (AI-built).
Recorded browser sessions, backend spans, and database row diffs as one ranked fix bundle.
Scientific calculator MCP server with 43 tools: arithmetic, trig, stats, unit conversion.
MCP server for Crunchyroll anime streaming - search anime, manage watchlist, track viewing progress
Live Google + public LinkedIn data: search, maps, profiles, companies, jobs. Pay only for results.
Deterministic decision engine with receipts. Define rules in YAML, query a graph, get proof.
Tamper-evident attestation tools for AI agents — on-chain receipts on Hedera Hashgraph mainnet.