Synthex Forge — x402 Paid Agent Services

Create Fund Tearsheet

create_fund_tearsheet

Destructive

Compute the tearsheet. use it rather than create_sla_breach_evidence for fund tearsheet, not sla breach evidence; an object with 56 fields including alpha, benchmark. $5 USDC.

Input Schema

Name	Required	Description
`returns`	No	What the caller wants back.
`risk_free`	No	The risk free this operation operates on. See the schema for its type and whether it is required.
`periods_per_year`	No	The periods per year this operation operates on. See the schema for its type and whether it is required.
`benchmark_returns`	No	The return series to benchmark against.

Output Schema

Name	Required	Description
`llm`	No	The `llm` field of the response.
`vol`	No	The `vol` field of the response.
`beta`	No	The `beta` field of the response.
`cagr`	No	The `cagr` field of the response.
`kind`	No	The `kind` field of the response.
`note`	No	A note on how the answer was produced.
`skew`	No	The `skew` field of the response.
`alpha`	No	The `alpha` field of the response.
`clock`	No	The `clock` field of the response.
`calmar`	No	The `calmar` field of the response.
`key_id`	No	The `key_id` field of the response.
`sharpe`	No	The `sharpe` field of the response.
`hitRate`	No	The `hitRate` field of the response.
`periods`	No	The `periods` field of the response.
`profile`	No	The `profile` field of the response.
`sortino`	No	The `sortino` field of the response.
`verdict`	Yes	The decision this tool returned.
`formulas`	No	The `formulas` field of the response.
`hit_rate`	No	The `hit_rate` field of the response.
`kurtosis`	No	The `kurtosis` field of the response.
`strategy`	No	The `strategy` field of the response.
`verdicts`	No	The `verdicts` field of the response.
`benchmark`	No	The `benchmark` field of the response.
`risk_free`	No	The `risk_free` field of the response.
`signature`	Yes	The Ed25519 signature over the evidence core, base64-encoded.
`signed_by`	No	The key id that signed the answer.
`bestPeriod`	No	The `bestPeriod` field of the response.
`input_rule`	No	The `input_rule` field of the response.
`public_key`	No	The `public_key` field of the response.
`best_period`	No	The `best_period` field of the response.
`correlation`	No	The `correlation` field of the response.
`maxDrawdown`	No	The `maxDrawdown` field of the response.
`methodology`	No	The `methodology` field of the response.
`min_periods`	No	The `min_periods` field of the response.
`worstPeriod`	No	The `worstPeriod` field of the response.
`coverageGaps`	No	The `coverageGaps` field of the response.
`max_drawdown`	No	The `max_drawdown` field of the response.
`worst_period`	No	The `worst_period` field of the response.
`coverage_gaps`	No	The `coverage_gaps` field of the response.
`evidence_core`	Yes	The canonical, signed core of the answer — the payload the signature covers.
`output_sha256`	Yes	SHA-256 hex digest of the canonical evidence core.
`formulaVersion`	No	The `formulaVersion` field of the response.
`missing_fields`	No	The `missing_fields` field of the response.
`profileVersion`	No	Version of the answer profile.
`dropped_periods`	No	The `dropped_periods` field of the response.
`overlap_periods`	No	The `overlap_periods` field of the response.
`profile_version`	No	Version of the answer profile.
`canonicalization`	No	The canonicalisation rule the digest was computed under.
`periods_per_year`	No	The `periods_per_year` field of the response.
`periods_required`	No	The `periods_required` field of the response.
`sample_sd_period`	No	The `sample_sd_period` field of the response.
`mean_period_return`	No	The `mean_period_return` field of the response.
`methodologyVersion`	No	The `methodologyVersion` field of the response.
`benchmark_alignment`	No	The `benchmark_alignment` field of the response.
`methodology_version`	No	Version of the method that produced the answer.
`signature_algorithm`	No	The `signature_algorithm` field of the response.

Schema Changelog

Changes observed during successful MCP inspections.

Changed58 schema fields changedOct 31, 2026

addedOutput schema / properties / alpha

Added value: +{
+  "description": "The `alpha` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / benchmark

Added value: +{
+  "description": "The `benchmark` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / benchmark_alignment

Added value: +{
+  "description": "The `benchmark_alignment` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / bestPeriod

Added value: +{
+  "description": "The `bestPeriod` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / best_period

Added value: +{
+  "description": "The `best_period` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / beta

Added value: +{
+  "description": "The `beta` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / cagr

Added value: +{
+  "description": "The `cagr` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / calmar

Added value: +{
+  "description": "The `calmar` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / canonicalization

Added value: +{
+  "description": "The canonicalisation rule the digest was computed under.",
+  "type": "string"
+}

addedOutput schema / properties / clock

Added value: +{
+  "description": "The `clock` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / correlation

Added value: +{
+  "description": "The `correlation` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / coverageGaps

Added value: +{
+  "description": "The `coverageGaps` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / coverage_gaps

Added value: +{
+  "description": "The `coverage_gaps` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / dropped_periods

Added value: +{
+  "description": "The `dropped_periods` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / evidence_core

Added value: +{
+  "description": "The canonical, signed core of the answer — the payload the signature covers.",
+  "type": "object"
+}

addedOutput schema / properties / formulaVersion

Added value: +{
+  "description": "The `formulaVersion` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / formulas

Added value: +{
+  "description": "The `formulas` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / hitRate

Added value: +{
+  "description": "The `hitRate` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / hit_rate

Added value: +{
+  "description": "The `hit_rate` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / input_rule

Added value: +{
+  "description": "The `input_rule` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / key_id

Added value: +{
+  "description": "The `key_id` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / kind

Added value: +{
+  "description": "The `kind` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / kurtosis

Added value: +{
+  "description": "The `kurtosis` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / llm

Added value: +{
+  "description": "The `llm` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / maxDrawdown

Added value: +{
+  "description": "The `maxDrawdown` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / max_drawdown

Added value: +{
+  "description": "The `max_drawdown` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / mean_period_return

Added value: +{
+  "description": "The `mean_period_return` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / methodology

Added value: +{
+  "description": "The `methodology` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / methodologyVersion

Added value: +{
+  "description": "The `methodologyVersion` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / methodology_version

Added value: +{
+  "description": "Version of the method that produced the answer.",
+  "type": "string"
+}

addedOutput schema / properties / min_periods

Added value: +{
+  "description": "The `min_periods` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / missing_fields

Added value: +{
+  "description": "The `missing_fields` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / note

Added value: +{
+  "description": "A note on how the answer was produced.",
+  "type": "string"
+}

addedOutput schema / properties / output_sha256

Added value: +{
+  "description": "SHA-256 hex digest of the canonical evidence core.",
+  "type": "string"
+}

addedOutput schema / properties / overlap_periods

Added value: +{
+  "description": "The `overlap_periods` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / periods

Added value: +{
+  "description": "The `periods` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / periods_per_year

Added value: +{
+  "description": "The `periods_per_year` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / periods_required

Added value: +{
+  "description": "The `periods_required` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / profile

Added value: +{
+  "description": "The `profile` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / profileVersion

Added value: +{
+  "description": "Version of the answer profile.",
+  "type": "string"
+}

addedOutput schema / properties / profile_version

Added value: +{
+  "description": "Version of the answer profile.",
+  "type": "string"
+}

addedOutput schema / properties / public_key

Added value: +{
+  "description": "The `public_key` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / risk_free

Added value: +{
+  "description": "The `risk_free` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / sample_sd_period

Added value: +{
+  "description": "The `sample_sd_period` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / sharpe

Added value: +{
+  "description": "The `sharpe` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / signature

Added value: +{
+  "description": "The Ed25519 signature over the evidence core, base64-encoded.",
+  "type": "string"
+}

addedOutput schema / properties / signature_algorithm

Added value: +{
+  "description": "The `signature_algorithm` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / signed_by

Added value: +{
+  "description": "The key id that signed the answer.",
+  "type": "string"
+}

addedOutput schema / properties / skew

Added value: +{
+  "description": "The `skew` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / sortino

Added value: +{
+  "description": "The `sortino` field of the response.",
+  "type": "object"
+}

removedOutput schema / properties / status

Removed value: -{
-  "type": "string"
-}

addedOutput schema / properties / strategy

Added value: +{
+  "description": "The `strategy` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / verdict

Added value: +{
+  "description": "The decision this tool returned.",
+  "type": "string"
+}

addedOutput schema / properties / verdicts

Added value: +{
+  "description": "The `verdicts` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / vol

Added value: +{
+  "description": "The `vol` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / worstPeriod

Added value: +{
+  "description": "The `worstPeriod` field of the response.",
+  "type": "object"
+}

addedOutput schema / properties / worst_period

Added value: +{
+  "description": "The `worst_period` field of the response.",
+  "type": "object"
+}

addedOutput schema / required

Added value: +[
+  "evidence_core",
+  "output_sha256",
+  "signature",
+  "verdict"
+]

AddedOct 31, 2026

TDQS

B3.4/5.0

Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Adds genuinely useful context beyond annotations by disclosing the cost ('$5 USDC') and the shape of the result (56 fields including alpha, benchmark). However, it does not explain why the tool is flagged destructive/non-idempotent, nor whether the charge occurs per call or on failure — relevant for a paid mutation-flagged tool.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Roughly 30 words with the core purpose, the sibling routing, the output shape and the price all present; the semicolon-separated clauses make it dense and front-loaded rather than padded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Return values are covered by the output schema, so explaining them is unnecessary, and the cost plus sibling disambiguation are covered. What is missing is any hint about what the parameters mean in practice or what the destructive/non-idempotent flags imply for a caller.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the four parameters (returns, risk_free, periods_per_year, benchmark_returns) are already documented in the schema. The description adds nothing about parameter meaning or defaults, so baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose3/5

Does the description clearly state what the tool does and how it differs from similar tools?

'Compute the tearsheet' largely restates the tool name, but the follow-on clause clarifies it is a fund tearsheet (not SLA breach evidence) and that it returns a 56-field object with alpha and benchmark. That gives an agent enough to identify the capability, though the verb+resource is not stated more specifically than the name.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly names an alternative, `create_sla_breach_evidence`, and states the condition ('for fund tearsheet, not sla breach evidence'). That is a real routing rule between siblings, even if the phrasing is awkward and no other alternatives or prerequisites are mentioned.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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