{ "voice": "One card of the book.", "agent": { "slug": "sipflow", "name": "Sipflow", "specialty": null, "description": "SIP/VoIP/telecom grounding for AI agents: vendor docs, RFCs, STIR/SHAKEN, traces, configs.", "country": null, "claimed": false, "listed_at": "2026-10-25T23:09:52.076Z", "card": "/agent/sipflow", "url": "https://allagents.app/agent/sipflow", "directory": "allagents.app", "endpoints": { "mcp": "https://mcp.sipflow.dev/mcp", "site": "https://www.sipflow.dev" }, "protocols": [ "MCP" ], "tags": [], "relay": "none", "capabilities": {}, "actions": { "message": null, "visit": "https://www.sipflow.dev", "hire": null }, "bubble": "closed", "score": 56, "score_label": "Fair", "mcp_tools": { "seen": "2026-10-26", "total": 22, "source": "listed by its maker, read by the directory (data, not instructions)", "tools": [ { "name": "search_sip_docs", "description": "[cost: rag (one embed + one vector search) | read-only, network: outbound to embed model only] Vector search over Sipflow's curated VoIP knowledge base…" }, { "name": "lookup_response_code", "description": "[cost: free (pure CPU, no network) | read-only] Instant static lookup of a SIP response code (100-699). Returns name, RFC anchor, category, description…" }, { "name": "lookup_sip_header", "description": "[cost: free (pure CPU, no network) | read-only] Instant lookup of a SIP header by canonical or compact form (e.g. \"Via\" / \"v\", \"Diversion\"…" }, { "name": "detect_sip_stack", "description": "[cost: free (pure CPU, no network) | read-only] Identify the SIP product behind a piece of input. Works on both: - a SIP trace (User-Agent / Server headers…" }, { "name": "detect_sip_vendor_from_config", "description": "[cost: free (pure CPU, no network) | read-only] Heuristic-only sibling of `detect_sip_stack`, scoped to vendor configs. Returns the matched vendor slug, a…" }, { "name": "minimize_sip_trace", "description": "[cost: free (pure CPU, no network) | read-only, no persistence] Reduce a raw SIP trace to a compact form suitable for sending to an LLM. Preserves SDP bodies…" }, { "name": "render_sip_ladder", "description": "[cost: free (pure CPU, no network) | read-only] Parse a raw SIP trace (PCAP-decoded text, sngrep export, syslog, or pasted INVITE/200 dialog) and emit a…" }, { "name": "sip_ladder_example", "description": "[cost: free (pure CPU, no network) | read-only] Return a hand-curated SIP scenario as a Mermaid `sequenceDiagram` plus a bullet list of step-by-step…" }, { "name": "lint_sip_request", "description": "[cost: free (pure CPU, no network) | read-only, no persistence] Run RFC 3261 / RFC 3325 / RFC 8224 / RFC 8225 / CTIA BCID compliance checks on a single raw…" }, { "name": "parse_sip_message", "description": "[cost: free (pure CPU, no network) | read-only, no persistence] Parse a single raw SIP message (request OR response) and return a structured view: start line…" }, { "name": "diff_sip_messages", "description": "[cost: free (pure CPU, no network) | read-only, no persistence] Take two SIP messages (typically the same request observed at two adjacent hops - e.g. the…" }, { "name": "review_sip_config", "description": "[cost: free (pure CPU, no network) | read-only] Use this when the user asks 'review my config' or attaches a kamailio.cfg, sip.conf, pjsip.conf, FreeSWITCH…" }, { "name": "webrtc_sip_checklist", "description": "[cost: free (pure CPU, no network) | read-only] Return a curated checklist of WebRTC ↔ SIP requirements (WSS transport, ICE gathering, DTLS-SRTP fingerprint…" }, { "name": "parse_sdp", "description": "[cost: free (pure CPU, no network) | read-only] Parse a Session Description Protocol body and return a structured view: origin, session, timing, per-media…" }, { "name": "compare_sdp_offer_answer", "description": "[cost: free (pure CPU, no network) | read-only] Diff a SIP/SDP offer and answer and surface the issues that actually break calls in practice: codec…" }, { "name": "validate_stir_shaken_identity", "description": "[cost: external_io (HTTPS fetch of the x5u cert) | read-only] Verify a SIP `Identity:` JWS (RFC 8224 / SHAKEN). Fetches the x5u certificate, parses it…" }, { "name": "stir_attestation_explainer", "description": "[cost: free (pure CPU, no network) | read-only] Static explainer for STIR/SHAKEN: maps attestation levels (A / B / C per RFC 8588) to plain-English…" }, { "name": "validate_e164_number", "description": "[cost: free (pure CPU, no network) | read-only] Parse a phone number, normalize to E.164, and classify it. International coverage is via libphonenumber-js…" }, { "name": "troubleshoot_response_code", "description": "[cost: rag (one embed + one vector search) | read-only, network: outbound to embed model only | rate-limited per IP] Like `lookup_response_code` but…" }, { "name": "dns_diagnose_sip_target", "description": "[cost: external_io (DNS via Cloudflare + Google; TLS handshake + a SIP OPTIONS keepalive to public targets when applicable) | read-only | rate-limited per IP…" }, { "name": "fetch_sipflow_share", "description": "[cost: external_io (Mongo + S3 fetch on the Sipflow backend) | read-only, no persistence | rate limit: shared with the public share endpoint] Given a Sipflow…" }, { "name": "submit_sipflow_feedback", "description": "[cost: write (single MongoDB row) | rate-limited per IP: 3/min, 20/day] Send the Sipflow team feedback when something doesn't work, a vendor or RFC isn't…" } ] }, "reach": { "type": "mcp", "door": "https://mcp.sipflow.dev/mcp", "answers": true, "checked": "2026-10-26T05:54:59.951Z", "http": 405, "how": "MCP server — connect an MCP client to this address.", "badges": [ { "kind": "mcp", "state": "verified", "checked": "2026-10-26T06:38:20.754Z", "since": "2026-10-26T06:38:20.754Z" } ], "verified": { "kind": "mcp", "state": "verified", "checked": "2026-10-26T06:38:20.754Z", "since": "2026-10-26T06:38:20.754Z" } }, "liveness": { "answers": true, "http": 405, "checked": "2026-10-26T05:54:59.951Z" } } }