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glama

ActivityPub MCP Server

A comprehensive MCP server that enables LLMs like Claude to explore and interact with the existing Fediverse through standardized MCP tools, resources, and prompts.

→ cameronrye/activitypub-mcp· listed on glama
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// key findings
🚨
Known vulnerabilities in dependencies: 1 critical, 3 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
🔐
You'll be asked for 3 credentials: ACTIVITYPUB_DEFAULT_TOKEN, INSTANCES_SOCIAL_TOKEN, MCP_HTTP_SECRET
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies1 critical3 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

criticalvitest@4.0.18GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

high@modelcontextprotocol/sdk@1.18.1GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.18.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.18.1GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

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// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
configACTIVITYPUB_ACCOUNTS
configACTIVITYPUB_CONFIG_DIR
configACTIVITYPUB_DEFAULT_INSTANCE— Alternatively, set and ACTIVITYPUB_DEFAULT_TOKEN env vars for a single account without the CLI flow.
🔐 secretACTIVITYPUB_DEFAULT_TOKEN— Alternatively, set ACTIVITYPUB_DEFAULT_INSTANCE and env vars for a single account without the CLI flow.
configACTIVITYPUB_DEFAULT_USERNAME
configACTIVITYPUB_ENABLE_WRITES— "": "true"
configAP_MCP_ACTION
configAP_MCP_CONFIG_PATH
configAP_MCP_PACKAGE_NAME
configAP_MCP_SERVER_NAME
configAUDIT_LOG_ENABLED
configAUDIT_LOG_MAX_ENTRIES
configBLOCKED_INSTANCES
configCACHE_MAX_SIZE
configCACHE_TTL
configDYNAMIC_INSTANCE_CACHE_TTL
🔐 secretINSTANCES_SOCIAL_TOKEN
configINSTANCE_BLOCKING_ENABLED
configLOG_LEVEL
configMAX_DYNAMIC_INSTANCES
configMAX_RESPONSE_SIZE
configMAX_RETRIES
configMAX_UPLOAD_SIZE
configMCP_HTTP_ALLOWED_HOSTS
configMCP_HTTP_ALLOWED_ORIGINS
configMCP_HTTP_CORS_ENABLED
configMCP_HTTP_CORS_ORIGINS
configMCP_HTTP_HOST
configMCP_HTTP_PORT
🔐 secretMCP_HTTP_SECRET
configMCP_INSTANCE_SOFTWARE_TTL_MS
configMCP_SERVER_NAME
configMCP_SERVER_VERSION
configMCP_THREAD_CROSS_ORIGIN_FETCH
configMCP_THREAD_MAX_DEPTH
configMCP_THREAD_MAX_REPLIES
configMCP_TRANSPORT_MODE
configRATE_LIMIT_CLEANUP_INTERVAL
configRATE_LIMIT_ENABLED
configRATE_LIMIT_MAX
configRATE_LIMIT_WINDOW
configREQUEST_TIMEOUT
configRETRY_BASE_DELAY
configRETRY_MAX_DELAY
configRUN_INTEGRATION_TESTS
configXDG_CONFIG_HOME
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 7 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/cameronrye-activitypub-mcp-moyyhf)](https://m8ven.ai/mcp/cameronrye-activitypub-mcp-moyyhf)
commit: f5f9b24a759312598dc750a1ce284d4daa93d8a0
code hash: 929b59c2f7b5c5be20f85fd0fc40da2d8bdd2a4bde6dfa0918271c64fe197d48
verified: 6/14/2026, 10:24:46 AM
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