{"id":"nicobailon-pi-mcp-adapter","name":"pi-mcp-adapter","homepage":null,"repo_url":"https://github.com/nicobailon/pi-mcp-adapter","category":"devtools","subcategories":[],"tags":["mcp","pi","adapter","tool-proxy","lazy-connection","interactive-ui"],"what_it_does":"An adapter extension for the Pi coding agent that proxies and manages MCP (Model Context Protocol) servers. It offers a single lightweight proxy tool for tool search/describe/calls, supports lazy/eager/keep-alive server lifecycles with cached tool metadata, optional promotion of specific MCP tools into Pi’s direct tool list, and MCP UI support with bidirectional messaging.","use_cases":["Use MCP-backed capabilities (APIs, databases, browser automation, etc.) from within Pi without bloating the model context","On-demand (lazy) starting and disconnecting of MCP servers to reduce idle resource usage","Promote only a selected subset of MCP tools to first-class Pi tools for better model/tool selection","Leverage MCP UI resources to open interactive tool UIs and exchange messages with the agent"],"not_for":["Use as a standalone API service for external clients (it is an agent extension/proxy)","Environments that require automatic OAuth token refresh","Scenarios where you need cross-session server process sharing out of the box"],"best_when":"You want to integrate multiple MCP servers into Pi while keeping system prompt/context small, and you can tolerate lazy connection behavior and metadata caching.","avoid_when":"You require guaranteed always-on connections without reconnection, token refresh automation, or you need a documented/standard REST/SDK surface aimed at third-party integrators.","alternatives":["Use MCP servers directly in Pi (without this proxy/lazy adapter)","Build/use CLI tools instead of MCP servers (as suggested by the adapter’s motivation)","Use Pi subagent + MCP tooling directly (if available) without this adapter layer"],"af_score":58.2,"security_score":55.0,"reliability_score":36.2,"package_type":"mcp_server","discovery_source":["github"],"priority":"high","status":"evaluated","version_evaluated":null,"last_evaluated":"2026-03-30T13:34:43.347944+00:00","interface":{"has_rest_api":false,"has_graphql":false,"has_grpc":false,"has_mcp_server":true,"mcp_server_url":null,"has_sdk":false,"sdk_languages":[],"openapi_spec_url":null,"webhooks":false},"auth":{"methods":["bearer","oauth"],"oauth":true,"scopes":false,"notes":"The adapter supports an auth config field for MCP servers using either bearer tokens or an OAuth flow. Limitations note external OAuth token acquisition with no automatic token refresh."},"pricing":{"model":null,"free_tier_exists":false,"free_tier_limits":null,"paid_tiers":[],"requires_credit_card":false,"estimated_workload_costs":null,"notes":"NPM package/extension; no pricing information provided. Cost driver is primarily token usage within the agent and the MCP servers you connect to."},"requirements":{"requires_signup":false,"requires_credit_card":false,"domain_verification":false,"data_residency":[],"compliance":[],"min_contract":null},"agent_readiness":{"af_score":58.2,"security_score":55.0,"reliability_score":36.2,"mcp_server_quality":75.0,"documentation_accuracy":78.0,"error_message_quality":0.0,"error_message_notes":null,"auth_complexity":55.0,"rate_limit_clarity":10.0,"tls_enforcement":70.0,"auth_strength":60.0,"scope_granularity":20.0,"dependency_hygiene":60.0,"secret_handling":65.0,"security_notes":"Security is largely delegated to underlying MCP servers and transports. The adapter supports bearer/OAuth configuration but does not mention automatic token refresh and does not describe fine-grained scopes or secret redaction/logging behavior. It also caches tool metadata locally. The README mentions server lifecycle and UI consent gating (tool consent gates MCP calls from UI), which is a positive control, but detailed security controls and error handling are not specified.","uptime_documented":0.0,"version_stability":55.0,"breaking_changes_history":40.0,"error_recovery":50.0,"idempotency_support":"false","idempotency_notes":"No explicit idempotency guarantees described; MCP tools may be non-idempotent depending on server/tool semantics. Adapter behavior (proxy vs direct) is described, but operation safety/retries are not specified.","pagination_style":"none","retry_guidance_documented":false,"known_agent_gotchas":["Tool call `args` must be a JSON string (not an object).","Servers are lazy by default; first-use may incur connection/startup delay.","Direct tools depend on metadata cache; on first session after enabling directTools for a new server, tools may temporarily fall back to proxy-only until cache populates (restart Pi or reconnect+restart to force).","OAuth tokens are obtained externally and there is no automatic token refresh."]}}