feat(cli): MCP server management CLI + OAuth 2.1 PKCE auth#2465
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feat(cli): MCP server management CLI + OAuth 2.1 PKCE auth#2465
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Add hermes mcp add/remove/list/test/configure CLI for managing MCP
server connections interactively. Discovery-first 'add' flow connects,
discovers tools, and lets users select which to enable via curses checklist.
Add OAuth 2.1 PKCE authentication for MCP HTTP servers (RFC 7636).
Supports browser-based and manual (headless) authorization, token
caching with 0600 permissions, automatic refresh. Zero external deps.
Add ${ENV_VAR} interpolation in MCP server config values, resolved
from os.environ + ~/.hermes/.env at load time.
Core OAuth module from PR #2021 by @imnotdev25. CLI and mcp_tool
wiring rewritten against current main. Closes #497, #690.
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Summary
Salvage of #2021 by @imnotdev25, rewritten against current main. Closes #497, #690.
hermes mcp CLI
hermes mcp add <name> --url/--command— discovery-first install: connect, discover tools, interactive selection via curses, save confighermes mcp remove <name>— remove config + clean up OAuth tokenshermes mcp list— table view with transport, tool count, statushermes mcp test <name>— connection test with latency and tool listinghermes mcp configure <name>— reconnect and toggle enabled toolsOAuth 2.1 PKCE for MCP HTTP servers
~/.hermes/mcp-tokens/with 0600 permissions + auto-refreshEnv var interpolation
${ENV_VAR}syntax in MCP server config values, resolved from os.environ +~/.hermes/.envChanges from original PR
_normalize_mcp_input_schema()(original PR removed it, breaking existing tests)205 MCP-specific tests pass. 5721 total pass.