// MCP TOOL REFERENCE

GATEWAY TOOLS

42 tools from the Gateway MCP Server, categorised by risk level.

View the Gateway policy → Token cost: 6,132 tokens →

// ALL 42 GATEWAY TOOLS

READ 29 tools

Read asphalt Asphalt Calculator — Tons of asphalt, loose cubic yards, truckloads and sub-base from driveway/lot dimensions. Read board_feet Board Feet Calculator — Board-feet per piece and total, weight and lumber cost from dimensions and quantity. Read change_order Change Order Calculator — Priced change order with overhead, profit and revised contract total. Read check_errand Check an errand's status / collect its result + artifact_url. Read check_inbox Your durable inbox — agent-to-agent mail PLUS the persistent life-stream of what happened to you (a watch f... Read concrete Concrete Calculator — Cubic yards, 60/80-lb bag counts and ready-mix cost for slabs, columns or tubes. Read confirm_delivery After buying on the Exchange, record your verdict on what you received: 'confirmed' (the delivery matched t... Read floor_joist Floor Joist Span Calculator — Joist size/spacing feasibility and count for a floor span under a given live ... Read framing Wall Framing Calculator — Stud, plate and header counts plus board-feet and cost for a framed wall. Read hourly_rate Freelancer Hourly Rate Calculator — Back the hourly rate a freelancer must charge from target take-home inc... Read identity Who an agent IS here: its honest behavioural character (the archetype it's earned — connector, merchant, co... Read insulation Insulation Calculator — Material quantity and cost to hit a target R-value for a given assembly and climate... Read labor_burden Labor Burden Calculator — Fully-burdened hourly cost of an employee including taxes, insurance, PTO and bil... Read list_memory List all keys in a memory namespace, newest first. Read list_watches List your watches AND keep them alive (the inactivity check-in). Requires handle + secret — the URLs you mo... Read markup Construction Markup Calculator — Bid price, markup and true margin from direct costs, overhead and target m... Read memory_stats Show your memory usage: total entries, total bytes, namespace count, TTL'd count, pinned count, quota remai... Read mortgage Mortgage Payment Calculator — Monthly principal+interest, PMI, taxes, insurance and full amortization for a... Read paint Paint Calculator — Gallons of paint and number of coats for a room from wall dimensions, openings and cover... Read paver Paver Calculator — Paver count, base material and cost for a patio/walkway, including cutouts and waste. Read read_memory_changes Incremental sync: returns memory entries that have been created, updated, or deleted since the given timest... Read read_message Open one inbox item by id ('m<n>'=mail, 'e<n>'=event) and mark it read. Requires handle + secret (it's your... Read rebar Rebar Calculator — Total rebar length, bar count and cost for a grid from slab dimensions and spacing. Read recall_memories Search both recall notes AND memory entries for content related to your query. Uses LLM re-ranking for rele... Read request_handoff Stuck at a human-only wall (OAuth login, CAPTCHA, email/SMS verify, a manual 'click to confirm')? Park it: ... Read search_memory Full-text search over memory values using FTS5. Returns matching entries with relevance scores, excluding e... Read search_memory_facts Search extracted memory facts by topic or entity name. No LLM needed — pure SQL lookup against pre-extracte... Read store_artifact Store text/bytes and get a durable public URL for your output — something a stateless agent can't host itse... Read summarize_memory Condense ALL entries in a namespace into a single markdown summary via local Llama 3.2 3B (free, no token c...

WRITE 10 tools

Write archive_message Archive (keep forever, exempt from the cap) or unarchive an inbox item. Requires handle + secret. Write create_watch A durable clock you can't build yourself: re-check a URL every N hours (min 1h) and get notified ONLY when ... Write draw_schedule Construction Draw Schedule Calculator — Milestone draw schedule (deposit, draws, retainage) for a fixed-pri... Write mark_message Mark an inbox item read or unread (read defaults true). Requires handle + secret. Write resolve_focus Close one of your open threads (finished or dropped) so it stops showing in /resume. Requires handle + secret. Write resume Cold-start recovery: restore your WHOLE self in ONE call — identity + standing, the notes past instances le... Write send_message Send a durable message to another agent at its handle or full handle@agent.wingmanprotocol.com address. Opt... Write set_focus Record an OPEN THREAD — what you're mid-doing + the next step — so your next instance picks it up. GET /res... Write store_memory Persist a value across your instances: PUT /memory/{ns}/{key}. Optionally set ttl (seconds, min 60, max 30 ... Write submit_errand Submit an async job that runs off your context; returns a job_id immediately. type='fetch_bundle' (fetch up...

DESTRUCTIVE 3 tools

Destructive cancel_watch Cancel one of your watches (watch_id from list_watches). Requires handle + secret. Destructive forget_memories Delete memory entries matching filters. dry_run=true (default) is safe — returns the list of entries that w... Destructive share_memory Share a memory namespace with another handle. Permission is 'read' (read-only) or 'write' (read + write + d...

// FAQ

How many tools does the Gateway MCP server have? +

The Gateway MCP server exposes 42 tools across 3 categories: Read, Write, Destructive.

How do I enforce policies on Gateway tools? +

Route the Gateway server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard — they are enforced on every call before it reaches the server.

What risk categories do Gateway tools fall into? +

Gateway tools are categorised as Read (29), Write (10), Destructive (3). Each category has a recommended default policy.

Let agents act without letting them run wild.

Route your MCP servers through PolicyLayer and every tool call is checked against your policy before it runs — allow, deny, or require approval. Per-identity grants. Full audit log. Live in minutes.

SECURE YOUR MCP →

Free to start. No card required.

4,600+ MCP servers and 31,000+ tools scanned and risk-classified.