io.github.ictinnovations/pbx-mcp
Inspect and control Asterisk (AMI) and FreeSWITCH (ESL) PBX servers from your AI assistant.
Using io.github.ictinnovations/pbx-mcp in Claude, Cursor, Gemini CLI, Cline, or Zed?
MCP tool contracts can change remotely with no version bump. The mcpindex gate pins each contract and HOLDs the call when it drifts-before your agent acts. Zero credentials. This is not the package install for this server itself (use Install this server for that).
Rewrites your MCP host config so each server launches behind the gate. Inspect first: curl -fsSL https://mcpindex.ai/install.sh | less
uv tool install mcpindex-gate && mcpindex-config-wireVerdict not yet evaluated for this tool. The semantic screen takes adversarial cases first; coverage rolls out as the corpus expands (15/150 labels to graduation). The deterministic conformance probe is built but has not yet run on the public corpus, so a recorded verdict here is REVIEW or UNVERIFIED, never a clearing ALLOW. Until a verdict is recorded, an agent should treat this tool as not-yet-cleared and fall back to its own checks. Method: the eval, four-state verdict, honest limits.
Own this server? Screen its description →
That verdict was true at screening time (snapshot 2026-08-09).
Contracts can change after screening, with no version bump. The gate pins io.github.ictinnovations/pbx-mcp’s tool contracts on first sight and holds any silent change before your agent acts - the check that keeps being true on Tuesday.
See your first HOLD in 2 minutes →
Related: how to trust an MCP server · screen before install · silent contract drift
ASTERISK_AMI_HOSTHostname or IP of the Asterisk server. Set this to enable the Asterisk tools.
ASTERISK_AMI_PORTAsterisk Manager Interface port. Defaults to 5038.
ASTERISK_AMI_USERNAMEAMI username from manager.conf.
ASTERISK_AMI_PASSWORDAMI secret from manager.conf.
ASTERISK_AMI_TLSConnect to AMI over TLS. Set true if tlsenable=yes in manager.conf.
FREESWITCH_ESL_HOSTHostname or IP of the FreeSWITCH server. Set this to enable the FreeSWITCH tools.
FREESWITCH_ESL_PORTFreeSWITCH inbound event socket port. Defaults to 8021.
FREESWITCH_ESL_PASSWORDEvent socket password from event_socket.conf.xml. Defaults to ClueCon, which you should change.
PBX_MCP_ALLOW_WRITEUnlocks call control. When false the server is read-only and the originate and hangup tools are not registered at all. Placing a call on a live trunk costs real money, so leave this off unless you mean it.
PBX_MCP_TIMEOUT_MSPer command timeout in milliseconds. Defaults to 10000.
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