MCP Server Directory

rishiatlan/Claude-Prompt-Optimizer-MCP

Scores, compiles & optimizes prompts for any LLM. Zero AI calls inside. Freemium.

MrJamescot/ctfd-mcp-server

MCP server for CTFd v3: list challenges, submit flags, and query scoreboards via AI agents.

heuristicolab/ctxfw

Zero-egress AI Agent Firewall: SARA prompt injection defense, AST context pruning & MCP governance.

saadk408/davinci-resolve-lua-mcp

Control the free edition of DaVinci Resolve 21.1 from Claude through a Lua script inside Resolve.

dong7812/dompruner-mcp

Strips layout noise via DOM AST; with a query, BM25 filters to relevant sections. No model or API.

tymrtn/U1F4E7

Your own IMAP/SMTP mailboxes as agent tools, with per-agent policy and human-approved sends.

com.formslist/mcp

Form backend for AI agents: create live form endpoints, configure them, read submissions.

alphaparkinc/genpark-adaptive-batch-request-debouncer-skill

Adaptive sliding window query debouncing and micro-batch coalescing engine optimizing LLM throughput

alphaparkinc/genpark-adaptive-exponential-backoff-jitter-retry-skill

Full jitter exponential backoff retry scheduling and half-open circuit breaker for LLM APIs

alphaparkinc/genpark-consistent-hash-ring-router-skill

Consistent hashing ring with virtual nodes for distributed LLM cache routing and agent partitioning

alphaparkinc/genpark-context-window-token-pruner-skill

Priority-weighted context window token pruner and FIFO eviction engine protecting LLM prompt boundar

alphaparkinc/genpark-entropy-hallucination-detector-skill

Token entropy and n-gram perplexity analyzer auditing LLM outputs for degenerate repetition loops an

alphaparkinc/genpark-graph-cycle-deadlock-detector-skill

Tarjan strongly connected components cycle and deadlock detector for multi-agent DAG workflows

alphaparkinc/genpark-json-schema-contract-validator-skill

Zero-dependency JSON schema subset validator ensuring LLM structured outputs strictly conform to con

alphaparkinc/genpark-json-rpc-batch-pipelining-dispatcher-skill

High-throughput JSON-RPC 2.0 batch pipelining and inter-tool parameter dependency resolver for Model

alphaparkinc/genpark-levenshtein-fuzzy-tool-matcher-skill

Fast Levenshtein distance and fuzzy similarity matcher autocorrecting hallucinated LLM tool calls

alphaparkinc/genpark-llm-token-bucket-sliding-window-rate-limiter-skill

Adaptive multi-tier TPM/RPM rate limiter with smooth leaky bucket queuing and burst wait estimation

alphaparkinc/genpark-llm-token-cost-budget-tracker-skill

Multi-model LLM token cost budget ledger and burn rate forecaster enforcing spending limits and earl

alphaparkinc/genpark-markdown-mermaid-syntax-lint-healer-skill

LLM output Mermaid diagram linting, unquoted bracket healing, and syntax normalization engine

alphaparkinc/genpark-multi-agent-borda-voting-consensus-skill

Positional Borda Count voting and weighted multi-agent consensus engine resolving conflicting model

alphaparkinc/genpark-openapi-spec-to-mcp-tool-synthesizer-skill

Inspect OpenAPI 3.0 specs and synthesize schema-compliant Model Context Protocol tool declarations w

alphaparkinc/genpark-prompt-drift-semantic-fingerprint-skill

Prompt template drift and structural fingerprint sentinel detecting unauthorized prompt mutations an

alphaparkinc/genpark-prompt-injection-canary-leak-sentinel-skill

HMAC-signed zero-width invisible canary token generator and output response leak auditor

alphaparkinc/genpark-reservoir-sampling-stream-auditor-skill

O(k) space unbiased stream reservoir sampling and quantile estimation engine for LLM telemetry and h

alphaparkinc/genpark-semver-dependency-resolver-agent-skill

Semantic Versioning 2.0.0 range matcher and dependency tree resolver for multi-agent toolkits and pl

alphaparkinc/genpark-token-bucket-traffic-shaper-skill

Token bucket traffic shaper with smooth replenishment and burst capacity for LLM tool call throttlin

alphaparkinc/genpark-tri-state-circuit-breaker-router-skill

Tri-state circuit breaker router managing LLM provider failure cascades, sliding error windows, and

alphaparkinc/genpark-two-phase-commit-coordinator-skill

Distributed Two-Phase Commit (2PC) transaction coordinator for atomic multi-agent state mutations wi

alphaparkinc/genpark-weighted-round-robin-balancer-skill

Nginx-style smooth weighted round-robin load balancer with dynamic weight adjustment for multi-LLM r

groundlens-dev/groundlens

Guardrails for LLM answers: exact checks against sources, PASS/REVIEW/FAIL, signed records.

andrewnexa-hub/guildbook-mcp

Work-history network for AI agents: register, find agents by skill, consult a free house C-suite.

guildbook-ai/guildbook-mcp

Work-history network for AI agents: register, find agents by skill, consult a free house C-suite.

handsforagents/handsforagents-mcp

Human-operated physical world in the EU: make, assemble, measure, verify, ship.

ZionHopkins/launch-engine-mcp

Agentic pipeline — 39 tools from idea to revenue for solo founders.

liquefy-ui/liquefy-ui

Answers questions about liquefy-ui from its real API surface, so an agent stops inventing props.

joshidikshant/loopback

Feedback bus for coding agents: pin feedback on the app you're building; a fix turns the pin green

medelin/mcp-server

Submit & browse funny AI quotes on bash.dog — bash.org for the AI age. Agents self-register.

finfin/mermaid-mcp-app

MCP App that renders Mermaid diagrams as interactive UI in Claude, VS Code and other MCP clients

nvdigitalsolutions/mcp-ai-wpoos

Stdio relay connecting Zed, Claude Desktop, Cursor and Codex to NV oOS WordPress MCP endpoints.

Aimino-Tech/OpenTalk2HTML-NotMD

MCP server for HTML generation from AI agents

Paydirt-AI/paydirt-mcp

Agent-native installer and control plane for Paydirt iOS feedback

BGarofalo1/peerkith-mcp

Check an agent work row, post one, and preflight a no-spend cap before any spend/send.

CWhittemore1010/penni-mcp

AI bookkeeper. Connect QuickBooks to Claude Desktop.

Peppy-Neuron/peppyneuron-mcp

Gives an agent one tool, submit_confession, and no nudge, then records whether it uses it.

Hyperion-GPU/ProofFlow-v0.1

Audit infrastructure for AI coding agents with evidence-backed review and policy gates.

yashdoke7/skeletongraph

Zero-LLM structural code retrieval for AI coding agents, served over MCP.

askadvaith/MCP-State-Sidecar

MCP State Sidecar: durable state persistence for multi-agent AI workflows

TheSuperColony/supercolony-mcp

Agent swarm intelligence — real-time feed and consensus signals from 140+ AI agents on-chain