Talval
REMOTE · TALVAL.COM · SCANNED OCT 2
Value-investing research: fair values, valuation verdicts, quality scores and 13F portfolios
Available components
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →
Endpoint Security80
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- No authorisation is required to call this server. Every tool declares its destructiveHint and none is destructive, so open access doesn't expose one. See how to fix → View diagnostics → Partial
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability76
- AI-judged instruction clarity (good).Pass
- Tool/resource definitions use about 656 tokens (~93/item across 7 items; 7 tools + 0 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management63
- Stability observed for 19 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 100% of tool parameters carry a description.Pass
- Structured output schemas are declared (100% of tools); any adoption earns full credit.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 7 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 8 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities60
- Spec-recency check failed: implements MCP spec 2025-06-18; the latest is 2026-07-28. See how to fix → Fail
How do I install the Talval MCP server?
Talval is a hosted endpoint at https://talval.com/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
remote · talval.com
claude mcp add --transport http com-talval-research 'https://talval.com/mcp'
{
"mcpServers": {
"com-talval-research": {
"url": "https://talval.com/mcp"
}
}
} {
"servers": {
"com-talval-research": {
"type": "http",
"url": "https://talval.com/mcp"
}
}
} [mcp_servers.com-talval-research] url = "https://talval.com/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"com-talval-research": {
"type": "remote",
"url": "https://talval.com/mcp",
"enabled": true
}
}
} openclaw mcp add com-talval-research --url 'https://talval.com/mcp' --transport streamable-http
mcp_servers:
com-talval-research:
url: "https://talval.com/mcp" {
"McpServers": {
"com-talval-research": {
"Transport": "http",
"Url": "https://talval.com/mcp"
}
}
} assistant mcp add com-talval-research -t streamable-http -u 'https://talval.com/mcp'
{
"mcpServers": {
"com-talval-research": {
"type": "http",
"url": "https://talval.com/mcp"
}
}
} The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 2 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 60 to 63. That category is still filling its 30-day observation window: 18 days of observed history at the previous scan, 19 at this one. The score rises as the window fills, whether or not the server changes.
- 30 Sept 26 +1
- Tool coverage: 75% → 100% ▲ functional
- Tool “compare_stocks” now declares an output schema ▲ functional
- Tool “get_stock_research” now declares an output schema ▲ functional
- Tool “get_superinvestor” now declares an output schema ▲ functional
- Tool “list_superinvestors” now declares an output schema ▲ functional
- Tool “screen_stocks” now declares an output schema ▲ functional
- Tool “search_stocks” now declares an output schema ▲ functional
- Tool “stocks_of_the_week” now declares an output schema ▲ functional
- First check of Tool coverage: 100 functional
- “screen_stocks” reworded the description of “limit” cosmetic
- “search_stocks” reworded the description of “limit” cosmetic
- 29 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 50 to 53. That category is still filling its 30-day observation window: 15 days of observed history at the previous scan, 16 at this one. The score rises as the window fills, whether or not the server changes.
- 28 Sept 26 +7
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 27 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 43 to 47. That category is still filling its 30-day observation window: 13 days of observed history at the previous scan, 14 at this one. The score rises as the window fills, whether or not the server changes.
- 25 Sept 26 +1
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 23 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 30 to 33. That category is still filling its 30-day observation window: 9 days of observed history at the previous scan, 10 at this one. The score rises as the window fills, whether or not the server changes.
- 20 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 20 to 23. That category is still filling its 30-day observation window: 6 days of observed history at the previous scan, 7 at this one. The score rises as the window fills, whether or not the server changes.
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 2 Oct 2026 · Probed https://talval.com/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=talval.com | CN=WE1,O=Google Trust Services,C=US | 14 Sept 2026 | 13 Dec 2026 | ECDSA 256 | ECDSA-SHA256 | 99981000d6bc769a132dbcdede3b1a67 |
| SANs: talval.com, *.talval.com | ||||||
| CN=WE1,O=Google Trust Services,C=US (CA) | CN=GTS Root R4,O=Google Trust Services LLC,C=US | 13 Dec 2023 | 20 Feb 2029 | ECDSA 256 | ECDSA-SHA384 | 7ff31977972c224a76155d13b6d685e3 |
| CN=GTS Root R4,O=Google Trust Services LLC,C=US (CA) | CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE | 15 Nov 2023 | 28 Jan 2028 | ECDSA 384 | SHA256-RSA | 7fe530bf331343bedd821610493d8a1b |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of talval.com. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| com. | present | 19718 | 13 | Verified |
| talval.com. | absent | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
| Header | Value |
|---|---|
| strict-transport-security | max-age=7776000 |
| x-content-type-options | nosniff |
| referrer-policy | strict-origin-when-cross-origin |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://talval.com/mcp | Verified | 200 | |
| http (plaintext) | http://talval.com/mcp | HTTPS enforced | 301 | https://talval.com/mcp |
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
compare_stocks Compare stocks ~40
Put two or more tickers side by side on verdict, fair value, upside and scores.
| Name | Type | Req | Description |
|---|---|---|---|
| tickers | array | yes | Tickers to compare. |
| Name | Type | Req | Description |
|---|---|---|---|
| companies | array | yes | – |
| not_covered | array | yes | Tickers asked for that Talval does not cover. |
No examples provided.
get_stock_research Get stock research ~74
Talval's valuation verdict, fair-value estimate, upside, quality/safety/value scores and latest filed results for one ticker. End-of-day snapshot with a date.
| Name | Type | Req | Description |
|---|---|---|---|
| ticker | string | yes | Exact ticker as Talval lists it, e.g. 'AAPL', 'RHM.DE', 'PRU.L'. |
| Name | Type | Req | Description |
|---|---|---|---|
| as_of | string|null | – | Date of the verdict snapshot, YYYY-MM-DD. |
| conviction | integer|null | – | 1-10. |
| country | string|null | – | – |
| covered | boolean | yes | False when Talval does not cover this ticker; every other field is then null. |
| currency | string|null | – | Trading currency of price and fair value. |
| dividend_yield_pct | number|null | – | Forward yield as a PERCENT, e.g. 2.9 for 2.9%. |
| fair_value | number|null | – | Null when withheld — see fair_value_usable and withheld_reason. |
| fair_value_usable | boolean | – | False when the company reports in a different currency than it trades in, which makes every price-to-fundamentals figure cross-currency nonsense. A false here is a deliberate suppression, not missing… |
| industry | string|null | – | – |
| latest_annual | object|null | – | As reported in the company's own filings — not estimates. |
| market_cap | number|null | – | – |
| name | string|null | – | – |
| pe_trailing | number|null | – | – |
| price | number|null | – | – |
| price_as_of | string|null | – | – |
| risk_level | string|null | – | – |
| scores | object | – | 0-100, null where the inputs behind a score are missing. |
| sector | string|null | – | – |
| ticker | string | yes | – |
| upside_pct | number|null | – | Percent, not a fraction. |
| url | string|null | – | – |
| verdict | string|null | – | Undervalued, Fairly valued or Overvalued. |
| withheld_reason | string|null | – | Why fair_value is null, when it is. |
No examples provided.
get_superinvestor Get a superinvestor's portfolio ~50
One tracked investor's reported holdings and quarter-on-quarter activity. Call list_superinvestors first to get the slug.
| Name | Type | Req | Description |
|---|---|---|---|
| slug | string | yes | Slug, e.g. 'berkshire'. |
| Name | Type | Req | Description |
|---|---|---|---|
| activity | object|null | – | Quarter on quarter. Null when there is no prior filing to compare against. |
| found | boolean | yes | False when no tracked investor has that slug. |
| holdings | array | – | Largest first, capped at 30. |
| manager | string|null | – | – |
| n_positions | integer|null | – | – |
| person | string|null | – | – |
| portfolio_value_usd | number|null | – | – |
| quarter_end | string|null | – | – |
| slug | string | yes | – |
No examples provided.
list_superinvestors List superinvestors ~32
The investors Talval tracks through their quarterly 13F filings — portfolio size, position count and largest holdings.
Input schema present but exposes no named parameters.
| Name | Type | Req | Description |
|---|---|---|---|
| investors | array | yes | – |
No examples provided.
screen_stocks Screen stocks ~93
Run one of Talval's stock screens over the covered universe and return the ranked results with fair value, upside and scores.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | integer | – | How many ranked rows to return. The screen is already ranked, so a smaller number gives the strongest names rather than a sample. |
| screen | string | yes | Which screen to run. |
| sector | string | – | Optional sector filter, e.g. 'Technology'. |
| Name | Type | Req | Description |
|---|---|---|---|
| label | string|null | – | – |
| rows | array | yes | Ranked. Empty when nothing clears the screen. |
| screen | string | yes | – |
| sector | string|null | – | The sector filter applied, if any. |
No examples provided.
search_stocks Search stocks ~96
Find a company in Talval's coverage by name or ticker. Typo tolerant. Use this first when you only have a company name.
| Name | Type | Req | Description |
|---|---|---|---|
| limit | integer | – | How many matches to return. Raise it when a name is ambiguous across listings — Shell and Unilever trade in more than one place. |
| query | string | yes | Company name or ticker, e.g. 'Rheinmetall' or 'RHM.DE'. |
| Name | Type | Req | Description |
|---|---|---|---|
| matches | array | yes | Empty when nothing in Talval's coverage matches. |
| query | string | yes | – |
No examples provided.
stocks_of_the_week Stocks of the week ~29
Talval's current weekly picks — the latest Undervalued verdict per ticker, refreshed weekly.
Input schema present but exposes no named parameters.
| Name | Type | Req | Description |
|---|---|---|---|
| note | string|null | – | This week's written note, when there is one. |
| picks | array | yes | Empty when nothing is published for this week yet. |
| week_start | string|null | – | – |
No examples provided.
What is the Talval MCP server?
Talval is an MCP server listed in the public MCP registry as com.talval/research. Value-investing research: fair values, valuation verdicts, quality scores and 13F portfolios. This page covers its hosted endpoint (https://talval.com/mcp).
Is the Talval MCP server safe to use?
Talval scores 81 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the Talval MCP server expose?
Talval exposes 7 tools: search_stocks, get_stock_research, screen_stocks, compare_stocks, list_superinvestors, and 2 more. Their descriptions and schemas cost roughly 414 tokens of context every time the server is loaded.
Does the Talval MCP server require authentication?
No. We connected to Talval without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the Talval MCP server still maintained?
Talval is still listed as active in the MCP registry. We last reached this channel on 2 October 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.