FI
Fillo io.github.jacobfunch/usefillo Fillo MCP server — provision, scaffold, publish, and query forms from your coding agent.
100% up · 30 days
Developer tools Official MCP Registry · npm Local Remote 653 a week MIT
WO
World io.github.SaravananJaichandar/world-model-mcp Temporal knowledge graph for codebases with constraint enforcement at the edit boundary.
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Developer tools Official MCP Registry · PyPI Local MIT
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QA platform for agents: coverage signals, in-repo test plans, verified tests and release governance.
100% up · 30 days
Developer tools Official MCP Registry · npm Local Remote 633 a week MIT
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Refactor legacy code into modern, idiomatic code without changing its behavior.
100% up · 30 days
Developer tools Official MCP Registry · npm Local Remote 624 a week MIT
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Codeforces competitive programming API: contests and user info. No key required.
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Developer tools Official MCP Registry · npm Local 597 a week MIT
KE
Keel io.github.seayniclabs/keel Network diagnostics — ping, traceroute, DNS, port scanning, and connectivity testing.
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Utilities Official MCP Registry · PyPI Local MIT
FA
FableCut io.github.ronak-create/fablecut Zero-dependency browser video editor AI agents drive via a JSON timeline over MCP; ffmpeg export.
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Design and media Official MCP Registry · npm Local 559 a week MIT
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Local stdio MCP server for cached, loop-aware JS/TS diagnostics (Oxlint, tsc, Biome, ESLint).
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Developer tools Official MCP Registry · npm Local 554 a week MIT
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MCP gateway: one local install fronts every MCP server for Claude Code, Cursor, and VS Code.
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Developer tools Official MCP Registry · npm Local 540 a week SEE-LICENSE-IN-LICENSE.MD
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Browser transport implementations for Model Context Protocol (MCP) - postMessage, Chrome extension messaging, and iframe communication for AI agents and LLMs
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Browser automation npm Local 52k a week MIT
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WebMCP browser adapter extending the upstream API with MCP capabilities
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Developer tools npm Local 51k a week MIT
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Inspect, verify, diff, and scaffold a pracht app's routes, API, and capabilities from its app graph.
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Developer tools Official MCP Registry · npm Local 481 a week MIT
MC
mcpm io.github.getmcpm/cli MCP security guard + package manager: trust-scored installs, blocks prompt injection and rug-pulls.
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Developer tools Official MCP Registry · npm Local 467 a week MIT
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Tells coding agents which npm dependencies changed after their training cutoff, and what changed.
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Coding agent tools Official MCP Registry · npm Local 464 a week MIT
PY
Pyright io.github.daedalus/mcp-pyright MCP server that exposes Pyright language server functionality
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Developer tools Official MCP Registry · PyPI Local MIT
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Compact MCP server for SAP ABAP ADT over HTTP, RFC or SNC: one tool per operation, object in args
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Developer tools Official MCP Registry · npm Local 456 a week AGPL-3.0-ONLY
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MCP server that brings SonarQube clean-code analysis to coding agents: issue detection, quality gates, rule guidance, remediation suggestions, and metrics/ratings.
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Developer tools npm · PyPI Local MIT
PI
Pixasso io.github.Erebuzzz/pixasso End-to-end frontend engineering and design orchestrator across 16 foundational pillars.
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Developer tools Official MCP Registry · npm Local 434 a week MIT
TE
Testrail io.github.uarlouski/testrail-mcp-server Connect AI assistants to TestRail: manage test cases, suites, runs, results, and attachments.
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Developer tools Official MCP Registry · npm Local 423 a week APACHE-2.0
OP
Openapi io.github.Asthanaji05/openapi-mcp Turn any OpenAPI 3 spec into a working MCP server. One file, local (stdio) or remote (HTTP).
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Developer tools Official MCP Registry · npm Local 419 a week MIT