PluginBench

MCP Servers

Model Context Protocol servers that give AI agents access to tools and data — sourced from the official MCP registry and ranked by GitHub stars.

23,114 MCP servers
KnownFix logo

KnownFix

Active

Verified dev-error fixes sold per-lookup to AI agents on-chain. Free search; 3 free samples.

1
HTML
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cmxflow logo

cmxflow

Active

Composable, tunable cheminformatics workflows: library preparation, clustering, docking, and more.

1
Python
MIT
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AI agents discover, acquire, and re-serve tokenised web content via the $402 protocol

1
TypeScript
MIT
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World geographic data for AI agents: 261 countries, 5.2M cities, rankings, and 9 indexes.

1
TypeScript
MIT
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Recall past Claude Code conversations from any project as clean, compact Markdown.

1
TypeScript
MIT
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Hawaii MCP: tours, events, weather, restaurants, and day-plan itineraries across 4 islands.

1
TypeScript
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Design tokens, components, icons, and a11y data via MCP. For Cursor, Claude, and Windsurf.

1
JavaScript
MIT
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CognOS trust scoring (C=p·(1-Ue-Ua)) and session trace storage as MCP tools.

1
Python
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Cross-project knowledge graph for MCP — map features across mobile, backend, and admin codebases.

1
TypeScript
MIT
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Bawbel Scanner logo

Bawbel Scanner

Maintained

Scan MCP servers and skill files for AVE vulnerabilities. Conformance scoring and threat intel.

1
Python
Apache-2.0
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Search US grants + federal contracts (Grants.gov + SAM.gov) from any LLM.

1
Python
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Secure SQL proxy for AI agents — NL→SQL, AST safety, per-agent RLS, audit log.

1
Python
MIT
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Agent-native CAD: draw plans, model 3D, render checks, export DXF/SVG/STL/GLB/IFC, import DXF.

1
Python
MIT
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Aggregate official drug-market evidence, cited analyses, and explicit claim boundaries.

1
JavaScript
MIT
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37 tools to read, create, merge, split, watermark, fill, redact & search PDFs. Local, no API key.

1
TypeScript
MIT
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Legacy PDF Toolkit identity, pinned to its 2.1.1 package; maintained successor: PDF Suite MCP.

1
TypeScript
MIT
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Verify Umbra bridge accountability proofs (signed receipts, checkpoints, Merkle inclusion).

1
Rust
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Verify a photo's capture time and provenance: C2PA validation, EXIF/XMP, and pixel forensics.

1
JavaScript
MIT
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GoldenFlow logo

GoldenFlow

Maintained

Standardize, reshape, and normalize messy data — CSV, Excel, Parquet, S3, databases.

1
Python
MIT
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Dynamic QR codes for AI agents — custom styling, scan tracking, webhooks

1
TypeScript
MIT
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MCP server that scans Next.js projects and returns a compact summary

1
TypeScript
MIT
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Discover and rank Stellar 8004 agents with a read-only MCP server and fail-closed contract probes.

1
TypeScript
MIT
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MCP protocol enforcing explicit task acceptance and attestation-tagged completion claims.

1
TypeScript
MIT
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UI feedback for AI-assisted building. Click elements, rate them, agents triage via MCP.

1
Rust
MIT
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Pre-transaction token risk checks for autonomous agents on six chains. Read-only; paid via x402.

1
Apache-2.0
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Q402 — gasless payments on 11 EVM chains + CCIP bridge (eth/avax/arbitrum). Sandbox-default.

1
TypeScript
Apache-2.0
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PostKing MCP server for managing brands, generating posts, scheduling content, and publishing blogs.

1
TypeScript
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MCP server for Enpass vaults: entries, passwords and TOTP/2FA codes, keychain-backed.

1
JavaScript
MIT
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MCP server to mount and unmount VeraCrypt containers with secure stdin password handling.

1
Python
MIT
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A stats-driven golf coach: Trackman + on-course rounds, turned into a practice plan.

1
Python
MIT
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