3fe10fc4c6Adds polygraph (https://polygraph.so) to the **Other** section of `docs/community-projects.md`, per the *Adding Your Project* instructions (one-line entry). polygraph publishes independent behavioral security grades (A–F) for MCP servers from an open, reproducible harness (https://github.com/polygraphso/litmus) — it exercises a server's live tool surface and grades what it does (tool-output injection, undeclared egress, sensitive-data handling, adversarial-input robustness), then publishes the results as an adoption-ranked index with per-server reports. It reads the official registry to discover and version servers, and adds the independent ratings layer this project's docs note downstream aggregators can provide. One-line entry only; no code or schema changes.
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48 lines
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Markdown
# Community Projects
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The following is a list of notable community-driven projects in the ecosystem related to the MCP Registry.
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## Featured Projects
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### Browsers 🔎
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Browse the official MCP Registry in your browser!
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- [MCP Bench](https://mcpbench.ai/)🔎 - Explore the MCP registry with richer filters, community stars, and LLM-generated classification tags.
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- [MCP Registry Database](https://lite.datasette.io/?url=https%3A%2F%2Fraw.githubusercontent.com%2Frosmur%2Fofficial-mcp-registry-database%2Fmain%2Fofficial_mcp_registry.db#/official_mcp_registry/servers)🔎 - A minimal, web browsable, live database of the official MCP Registry [source code](https://github.com/rosmur/official-mcp-registry-database).
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- [TeamSpark AI Server Registry](https://teamsparkai.github.io/ToolCatalog/registry)🔎 - Browse and discover servers from the official MCP Registry ([source code](https://github.com/TeamSparkAI/ToolCatalog)).
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- [MCP Registry UI](https://vemonet.github.io/mcp-registry)🔎 - A fully client‑side app to search, filter, configure, and install servers from MCP Registry APIs ([source code](https://github.com/vemonet/mcp-registry)).
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### MCP Registry Clients
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- [REST API](modelcontextprotocol-io/registry-aggregators.mdx) - HTTP API
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- [go-mcp-registry](https://github.com/leefowlercu/go-mcp-registry) - Go SDK
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- [mcp-registry-spec-sdk](https://www.npmjs.com/package/mcp-registry-spec-sdk) - TypeScript client for the MCP Registry
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- [LangChain4j MCP Registry Java client](https://docs.langchain4j.dev/tutorials/mcp/#mcp-registry-client) - Java API
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### Registry Implementations
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Self-hostable servers that implement the MCP Registry API specification.
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- [ToolSDK MCP Registry](https://github.com/toolsdk-ai/toolsdk-mcp-registry) - Extends the MCP Registry with **API-based MCP execution, private deployment**, and **secure sandbox isolation**.
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- [ToolHive Registry Server](https://github.com/stacklok/toolhive-registry-server) - Enterprise-grade MCP Registry API implementation with Kubernetes-native CRD discovery, OIDC/JWT claim-based access control, multi-source aggregation (Git, K8s, upstream registries), SIEM-compliant audit logging, and OpenTelemetry observability.
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### Other
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- [MCP Registry Cheat Sheet](https://github.com/subbyte/mcp-registry-cheatsheet) - MCP Registry Cheat Sheet for MCP server developers, client developers, and registry admin
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- [MCP Registry Remote MCP Server](https://github.com/jaw9c/mcp-registry-mcp) - Open Remote MCP server for the Registry at `https://registry-mcp.remote-mcp.com`
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- [MCP Server for MCP Registry](https://github.com/formulahendry/mcp-server-mcp-registry) - MCP Server to discover and search for available MCP servers in the registry
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- [mcp-insights](https://github.com/joelverhagen/mcp-insights/) - Analytics and insights for the MCP Registry
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- [mcp-registry-cli](https://pypi.org/project/mcp-registry-cli/) - CLI tool to navigate the MCP registry servers
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- [OtherVibes/mcp-publish-action](https://github.com/OtherVibes/mcp-publish-action) - GitHub Action for publishing MCP servers to the official registry
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- [polygraph](https://polygraph.so) - Independent behavioral security grades (A–F) for MCP servers from an open, reproducible harness, published as an adoption-ranked index with per-server reports
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## Adding Your Project
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To add your community project, submit a pull request adding a one-line entry above with format: `[project-name](link) - brief description`
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## Disclaimer
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This is not an exhaustive list, and inclusion does not imply endorsement. Projects are maintained by third parties and may not be actively
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supported, secure, or compatible with the latest MCP Registry version.
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Please review each project independently and use at your own risk!
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