MCP server that gives coding agents typed 0xArchive market data tools across Hyperliquid (perps, HIP-3, HIP-4, spot) and Lighter.xyz
Free
Tools
search_filings
Search the SERFF filings corpus by carrier, NAIC, product line, state, year-range, filing type, or bureau lineage. Returns a lite row shape per match (SERFF id, state, year, NAIC, group code, carrier name, product name, filing type / status / date). For the substance of a filing, follow up with `get_filing_summary` once you have a SERFF id. All filters AND together. Defaults: `limit=25`, capped a
ArgumentsA call is made on an account: it counts against an allowance and the publisher sees it, which is why this one asks who you are first.
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p95 latency
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call success
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uptime 90d
0
calls last 7d
What it does
Natural-language search over California's public insurance rate, rule & form filings.
Quickstart
# 1 — install (mcprush login holds a key from your dashboard)
npx mcprush@latest add ca-rate-filings-mcp
# 2 — ask your agent something
> Natural-language search over California's public insurance rate, rule & form filings.
Ca Rate Filings is free: there is no plan to choose, no cap to set and nothing that can bill you.
Publishernot claimed
APAll 1 server
api.serff.ai1 server
1 category
Collected from a public index. Nobody has claimed this account, so nothing here was written by its author — claim it if it is yours.
Installation
Where are you running it?
Every route below installs the same thing and ends at the same approval screen. Nothing here runs on your machine — this server runs on the publisher’s own infrastructure behind our gateway, and what you install is the connection to it.
Claude Codedeclared by this listing
This is a public server: you run it yourself and this marketplace is not in the path. Claude Code registers it in one command.
claude mcp add --transport http ca-rate-filings-mcp https://api.serff.ai/mcpReconnect, or start a new session, and the tools appear in the model’s tool list.
Free to install, and it runs from its publisher’s own package: no account, no key, no card.
What it writes
One config entry pointing at the gateway. The server itself runs on the publisher’s own infrastructure, so nothing from this listing executes on your machine.
What you approve
12 tools, with what each one reads, writes and reaches shown before you agree — the same list on every route above. Read the tool surface.
Tool surface
What the model actually sees. Descriptions are diffed on every release — see version history.
Search the SERFF filings corpus by carrier, NAIC, product line, state, year-range, filing type, or bureau lineage. Returns a lite row shape per match (SERFF id, state, year, NAIC, group code, carrier name, product name, filing type / status / date). For the substance of a filing, follow up with `get_filing_summary` once you have a SERFF id. All filters AND together. Defaults: `limit=25`, capped a
Takes no parameters.
Example callreturns →
Pure vector search over per-filing extraction-summary embeddings (one embedding per filing, ~59K rows total). Each hit is a filing whose extraction summary is semantically closest to your query, with the matching excerpt and lite filing metadata (state, year, company, product type, filing type, filing date). **Cost**: one query-embedding call + one indexed Postgres lookup. Bounded, cheap, fast. N
Takes no parameters.
Example callreturns →
Pure vector search over per-filing actuarial-memorandum embeddings (`extract_embeds` where `kind='actuarial_memo'`). Each hit is a filing whose memo is semantically closest to your query, with the matching excerpt and lite filing metadata. **Cost**: one query-embedding call + one indexed Postgres lookup. Bounded, cheap, fast. No LLM planning, no LLM composition. **This is the right tool any time
Takes no parameters.
Example callreturns →
Pure vector search over per-chunk full-document embeddings (`filing_embeds`, ~12.4M rows across ~65K filings — each filing sliced into ~190 paragraph-sized chunks). The most granular semantic surface in the corpus. **Cost**: one query-embedding call + one indexed Postgres lookup. No LLM planning, no LLM composition. **Right surface for**: - "Find the exact passage discussing X" — granular text-s
Takes no parameters.
Example callreturns →
Returns a short-lived **V4-signed GCS URL** for a single SOURCE file (PDF / XLSM / XLSX / DOC / ZIP) the carrier submitted for a SERFF filing. The link is intended for **display to the end user** — they click it in their browser to download the file. **CRITICAL: DO NOT fetch this URL yourself.** Surface it to the user verbatim and stop. The URL is a signed link for the human's browser, not for th
Takes no parameters.
Example callreturns →
Returns an actuarial narrative summary for a single SERFF id — the **Filing Type** header, the **"What This Filing Does"** section (concrete bullet-pointed change list with page citations for Rate / Rule / Form / New Programme / Withdrawal filings), the structured **Description**, and the key references the summary cites. This is the fastest route from "I have a SERFF id" to "I understand what th
Takes no parameters.
Example callreturns →
Returns the predecessor, superseded, and companion filings that **this filing itself** cites in its supporting documentation. Carrier-claimed lineage extracted from inside the PDF (e.g. "supersedes XXXX-NNNN", "loss costs adopted from NCCI-NNNN"). Distinct from `get_filing_lineage`, which returns the reconciled chain across the corpus. The two often agree but can diverge — `get_filing_references`
Takes no parameters.
Example callreturns →
Returns the **reconciled lineage chain** for a SERFF id — leaf filing plus ordered predecessors back to the bureau root. Each chain entry includes the SERFF id, position (0 = leaf), role (`leaf` / `predecessor`), and a lite filing record (state, year, carrier name, product name, filing type, filing date). Distinct from `get_filing_references`, which returns what the filing itself claims inside th
Takes no parameters.
Example callreturns →
Lists the **source files** (PDFs, XLS spreadsheets, DOC manuals, ZIP archives) ingested for a SERFF id. Returns metadata only — name, size in bytes, MIME-class type (`pdf` / `spreadsheet` / `document` / `csv` / `archive` / `other`), file extension, modified timestamp. Pair with `get_filing_source_file_link` to mint a signed download link the user can click — list names here, mint a link there. U
Takes no parameters.
Example callreturns →
Returns the resolved identity behind the current MCP bearer — email, company_name, account_type (free vs production), and company_reference. Quota-exempt: this is an identity probe, not a value-bearing call. Returns nulls for fields mono has no value for. Useful for an MCP client to confirm "who am I talking to mono as" without burning the user's monthly quota.
Takes no parameters.
Example callreturns →
Diagnostic snapshot of the deployed MCP server: build identifier, server_version (1.0.<PR> tag), boot time, advertised tool names, a hash of the tool surface, and corpus_updated_at (freshest watermark across the filings pipeline). Call this first when you suspect the connector is showing a stale tool list or you want to detect whether code or data has changed since your last call — compare tools_a
Takes no parameters.
Example callreturns →
Onboarding + connection guide. Returns plain-text instructions: sign up for a free account at statefilings.ai, use the client_id / client_secret shown at signup when the MCP client prompts for auth, and per-client walkthrough URLs (Claude, ChatGPT). Quota-exempt — call this whenever a user asks how to use this MCP, get set up, or connect a new client.
Takes no parameters.
Example callreturns →
Freeyour plan
$0 forever
- Every tool, no call limit
- No card, no account needed
- Source published under a licence you can read
- Runs on your machine — nothing of it reaches our gateway
- Nothing to cap, because nothing bills
What counts against your monthly calls
| Tool | Unit | Calls used | Out of the allowance |
|---|
Nothing here is billable. Ca Rate Filings costs nothing to install and nothing to call, at any volume.
Call allowance · this installenforced at the gateway
Monthly allowance, in calls
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Alert at 80% · then the tool returns a normal MCP error
Used this month: $8.42
$16.58 left
—Grade not published
No rule-by-rule report on file for this release
Two independent axes, because powerful and malicious are different questions. The grade is threat only. The capability level is blast radius, and it is never a penalty on the grade — it is priced as one subtract-only term in the score, where you can see it.
This listing is a hosted endpoint: the publisher runs it and we connect to it. The scanner reads packages and source, and neither exists to read here, so there is no grade — not a withheld one, an unmeasured one. What can be checked instead is on Installation: what it asks to reach and what it writes.
Release history
Pinned to 1.0.260 — the install command below asks for that release. A pin is part of an install, so it is kept for this visit and written down when you install.
1.0.260
undated
installedNo release note was published with this version.
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no reviews yet
Reviews are earned
Only accounts with at least 50 real tool calls against this server in the last 90 days can post. Ratings are weighted by how much the reviewer actually uses it, and publishers can reply once per review.
Reviews are earned
Writing one takes an account with at least 50 real tool calls against Ca Rate Filings in the last 90 days. That is the whole gate — there is no other way to post, which is why the counts beside each review are worth reading.
No reviews yet
Nobody has reviewed this listing. The rating on the card is the mean of the reviews written here and nothing else, so there is no rating until somebody writes the first — which takes an account with 50 real tool calls against it.